Articles about software development, technology and opinion.https://blog.lsantos.dev/en/enhttps://blog.lsantos.dev/en/backlog-10-slopware-the-end-of-well-made-code/https://blog.lsantos.dev/en/backlog-10-slopware-the-end-of-well-made-code/Do you know what Slopware is? Then let me introduce you to something that's probably going to worry you quite a bit.Thu, 20 Mar 2025 11:00:10 GMTcareerbacklog-newsletterhttps://blog.lsantos.dev/en/backlog-9-what-happened-to-the-devs/https://blog.lsantos.dev/en/backlog-9-what-happened-to-the-devs/What happened to a profession that used to brag about being super smart and laser focused on its craft? Did devs stop caring about their work?Thu, 06 Mar 2025 11:00:40 GMTopinionbacklog-newslettercareeropinionhttps://blog.lsantos.dev/en/backlog-8-my-journey-with-vim-what-changed-in-6-months/https://blog.lsantos.dev/en/backlog-8-my-journey-with-vim-what-changed-in-6-months/I completely uninstalled VSCode and switched to Vim. After 6 months of use, was that a good idea?Thu, 20 Feb 2025 11:00:21 GMTcareerbacklog-newslettervimproductivityhttps://blog.lsantos.dev/en/the-10-lessons-that-changed-my-life-as-a-dev/https://blog.lsantos.dev/en/the-10-lessons-that-changed-my-life-as-a-dev/For 13 years I've built a dev career I'm proud of. But I didn't do it alone. These were the 10 most important lessons I learned along the way.Sat, 15 Feb 2025 14:56:35 GMTopinionbacklog-newslettercareeropinionhttps://blog.lsantos.dev/en/backlog-6-are-you-a-good-dev/https://blog.lsantos.dev/en/backlog-6-are-you-a-good-dev/What makes a good dev a good dev? What's a strong engineer and what's a weak one? Are you one of the good ones?Thu, 23 Jan 2025 11:00:04 GMTcareerbacklog-newslettercareerhttps://blog.lsantos.dev/en/everything-about-node-running-typescript-natively/https://blog.lsantos.dev/en/everything-about-node-running-typescript-natively/Node 22 natively supports TypeScript! But now what? Is that really it? Let's learn how you can run TS much more easily and what the main settings are!Wed, 22 Jan 2025 11:01:10 GMTtypescripttypescriptnodejshttps://blog.lsantos.dev/en/backlog-5-the-great-dev-bubble-show/https://blog.lsantos.dev/en/backlog-5-the-great-dev-bubble-show/This is the most honest backlog I've ever posted. Here you'll get straight answers to things people ask me, and an authentic look at my own view of the dev bubble.Thu, 09 Jan 2025 11:00:27 GMTopinionbacklog-newsletteropinioncareerhttps://blog.lsantos.dev/en/backlog-4-first-programming-language/https://blog.lsantos.dev/en/backlog-4-first-programming-language/What if I told you the first programming language came from a loom? Let's find out what sewing has to do with code!Wed, 25 Dec 2024 11:00:16 GMTcareerbacklog-newslettercomputingdevelopmenthistoryhttps://blog.lsantos.dev/en/backlog-3-29-years-of-javascript/https://blog.lsantos.dev/en/backlog-3-29-years-of-javascript/December 4th, 1995 was a special day because it was the launch of the language everyone loves to hate! Let's dive into the history of JavaScript!Thu, 12 Dec 2024 11:00:40 GMTjavascriptbacklog-newsletterjavascripthttps://blog.lsantos.dev/en/backlog-2-hard-work-wont-take-you-that-far/https://blog.lsantos.dev/en/backlog-2-hard-work-wont-take-you-that-far/Talent is a myth, and effort and hard work are nothing without context. In this issue, we explore why success is pure luck, or almost...Thu, 28 Nov 2024 11:00:38 GMTopinionbacklog-newsletteropinioncareerhttps://blog.lsantos.dev/en/backlog-1-the-first-pc-in-history/https://blog.lsantos.dev/en/backlog-1-the-first-pc-in-history/Let's explore the history of computing within our own history! To start, what was the world's first personal computer?Thu, 14 Nov 2024 11:00:54 GMTcareerbacklog-newsletterhttps://blog.lsantos.dev/en/backlog-0-a-rant/https://blog.lsantos.dev/en/backlog-0-a-rant/A personal story about almost giving up and getting a fresh start. Welcome to my new project, Backlog.Sat, 09 Nov 2024 00:44:58 GMTopinionbacklog-newsletteropinionhttps://blog.lsantos.dev/en/deno-2-is-node-toast-now/https://blog.lsantos.dev/en/deno-2-is-node-toast-now/Deno finally hit version 2.0! Find out what's changed in the most popular TypeScript runtime, and why it might replace Node.jsWed, 30 Oct 2024 11:00:52 GMTjavascriptdenotypescripthttps://blog.lsantos.dev/en/javascript-will-be-completely-different-in-2025/https://blog.lsantos.dev/en/javascript-will-be-completely-different-in-2025/JavaScript could change quite a bit in 2025, some very interesting proposals were approved, see which ones!Wed, 16 Oct 2024 11:00:01 GMTjavascriptjavascriptecmascriptdevelopmenthttps://blog.lsantos.dev/en/getting-started-with-neovim/https://blog.lsantos.dev/en/getting-started-with-neovim/I gave in to Vim and it wasn't easy getting it exactly the way I wanted. So I want to teach you, so you don't have to go through the same trouble!Wed, 25 Sep 2024 11:00:53 GMTmetavimtoolsdevelopmenthttps://blog.lsantos.dev/en/using-derived-types/https://blog.lsantos.dev/en/using-derived-types/When should we be smarter about coupling our types to other types? When does repeating code actually pay off?Wed, 11 Sep 2024 11:00:14 GMTtypescripttypescriptjavascripthttps://blog.lsantos.dev/en/whats-new-about-javascript-signals/https://blog.lsantos.dev/en/whats-new-about-javascript-signals/What's the new JavaScript signals proposal about? How does it work and what is it for?Wed, 21 Aug 2024 11:00:14 GMTjavascriptjavascriptecmascriptdevelopmentsignalshttps://blog.lsantos.dev/en/are-uuids-bad-understanding-ulid/https://blog.lsantos.dev/en/are-uuids-bad-understanding-ulid/How can you generate IDs that are random but also sortable at the same time? Meet ULIDs and what they promise to change!Wed, 14 Aug 2024 11:00:09 GMTmetatheorycomputingarchitecturehttps://blog.lsantos.dev/en/when-to-use-any-in-typescript/https://blog.lsantos.dev/en/when-to-use-any-in-typescript/We all know that using "any" is a bad pattern, but did you know there are some cases where any is our only option!Wed, 07 Aug 2024 11:00:19 GMTtypescripttypescriptjavascripthttps://blog.lsantos.dev/en/how-i-implemented-date-mocks-in-node-js-core/https://blog.lsantos.dev/en/how-i-implemented-date-mocks-in-node-js-core/Have you ever wanted to contribute to an open source project? Let me tell you how I got my code into Node.js!Wed, 31 Jul 2024 11:00:32 GMTjavascriptnodejsjavascriptopen sourcehttps://blog.lsantos.dev/en/what-to-expect-from-javascript-in-2025/https://blog.lsantos.dev/en/what-to-expect-from-javascript-in-2025/What to expect from JavaScript in 2025? Learn about the main proposals and features you might get in the future!Wed, 24 Jul 2024 11:00:49 GMTtypescriptecmascriptjavascriptdevelopmenthttps://blog.lsantos.dev/en/typing-environment-variables-the-right-way-with-ts/https://blog.lsantos.dev/en/typing-environment-variables-the-right-way-with-ts/Probably one of the biggest problems we have in TypeScript, discover the solution for typing envs and how to apply it to your project!Fri, 19 Jul 2024 11:00:44 GMTtypescripttypescripthttps://blog.lsantos.dev/en/whats-new-javascript-2024/https://blog.lsantos.dev/en/whats-new-javascript-2024/Learn everything that's new in the latest version of JavaScript in 2024!Wed, 17 Jul 2024 11:00:20 GMTtypescriptecmascriptjavascripthttps://blog.lsantos.dev/en/what-is-corepack-and-how-to-use-it/https://blog.lsantos.dev/en/what-is-corepack-and-how-to-use-it/Learn how to use Corepack, the tool that's stirring up controversy in the Node.js worldThu, 11 Jul 2024 11:00:51 GMTjavascriptnodejshttps://blog.lsantos.dev/en/typescript-5-5-biggest-update-in-years/https://blog.lsantos.dev/en/typescript-5-5-biggest-update-in-years/Learn everything about the biggest TypeScript update in years!Wed, 10 Jul 2024 17:23:32 GMTtypescripttypescripthttps://blog.lsantos.dev/en/javascript-new-set-methods/https://blog.lsantos.dev/en/javascript-new-set-methods/JavaScript just got new Set methods in 2024, let's explore them!Thu, 04 Jul 2024 11:00:40 GMTtypescriptecmascriptjavascripthttps://blog.lsantos.dev/en/using-jest-with-typescript/https://blog.lsantos.dev/en/using-jest-with-typescript/Learn how to set up your application to run automated tests with Jest written in TypeScriptWed, 19 Jun 2024 11:00:32 GMTtypescriptteststypescriptjestnodejshttps://blog.lsantos.dev/en/using-assertion-functions-in-typescript/https://blog.lsantos.dev/en/using-assertion-functions-in-typescript/Learn how to use one of TypeScript's most important, and still most overlooked, features! Assertion functions.Fri, 14 Jun 2024 11:00:51 GMTtypescripttypescriptnodejsdenohttps://blog.lsantos.dev/en/using-mocks-with-the-node-test-runner/https://blog.lsantos.dev/en/using-mocks-with-the-node-test-runner/How to use mocks, stubs and spies in your tests using Node.js' native Test RunnerWed, 05 Jun 2024 11:00:45 GMTjavascriptnodejsjavascripttypescripthttps://blog.lsantos.dev/en/getting-started-with-the-node-js-test-runner/https://blog.lsantos.dev/en/getting-started-with-the-node-js-test-runner/Learn how to start writing your tests with Node.js in the simplest and easiest way possible: using the Node.js Test RunnerThu, 30 May 2024 11:00:15 GMTjavascriptnodejstypescripttestshttps://blog.lsantos.dev/en/what-are-const-assertions-in-typescript/https://blog.lsantos.dev/en/what-are-const-assertions-in-typescript/What are const assertions? Do you know the difference between the odd 'const as const' and Object.freeze?Wed, 24 Apr 2024 11:00:59 GMTtypescripttypescripthttps://blog.lsantos.dev/en/should-you-be-using-enums-in-typescript/https://blog.lsantos.dev/en/should-you-be-using-enums-in-typescript/You've probably heard someone say "Don't use Enums"... But why does nobody like enums in TypeScript? Does that even make sense?Wed, 17 Apr 2024 11:00:42 GMTtypescripttypescripthttps://blog.lsantos.dev/en/types-versus-interfaces-in-typescript-2024/https://blog.lsantos.dev/en/types-versus-interfaces-in-typescript-2024/What's the difference between types and interfaces in TypeScript? When should you use one over the other?Wed, 10 Apr 2024 11:00:35 GMTtypescripttypescripthttps://blog.lsantos.dev/en/filtering-class-methods-from-a-type-in-typescript/https://blog.lsantos.dev/en/filtering-class-methods-from-a-type-in-typescript/Learn how to create a TypeScript type that filters properties from a class by removing methods, perfect for building features like custom filters.Wed, 03 Apr 2024 11:00:57 GMTtypescripttypescripthttps://blog.lsantos.dev/en/deno-kv-on-npm/https://blog.lsantos.dev/en/deno-kv-on-npm/The world's coolest database just landed on NPM for Node.js users.Wed, 27 Mar 2024 11:00:15 GMTjavascriptdenotypescriptdatabaseshttps://blog.lsantos.dev/en/auto-accessors-in-typescript/https://blog.lsantos.dev/en/auto-accessors-in-typescript/Ever heard of auto-accessors? Know what that feature does? Let's dig into how it works.Wed, 20 Mar 2024 11:00:23 GMTtypescripttypescripthttps://blog.lsantos.dev/en/parallel-assignments-a-feature-you-didnt-know-existed-in-javascript/https://blog.lsantos.dev/en/parallel-assignments-a-feature-you-didnt-know-existed-in-javascript/Do you know what parallel assignments are? Let's discover this lesser-known JavaScript feature!Wed, 13 Mar 2024 11:00:54 GMTjavascriptjavascripttypescripthttps://blog.lsantos.dev/en/asymmetric-cryptography-with-rsa/https://blog.lsantos.dev/en/asymmetric-cryptography-with-rsa/Do you know how asymmetric key pairs, the ones surrounding us everywhere, actually work? Want to learn how to calculate a key by hand? Then this article is for you!Wed, 06 Mar 2024 11:00:32 GMTsecuritysecuritydevelopmentcryptographyserieshttps://blog.lsantos.dev/en/whats-new-in-deno-1-40/https://blog.lsantos.dev/en/whats-new-in-deno-1-40/Understand the main changes in Deno 1.40 and how they directly impact your life with the tool!Wed, 28 Feb 2024 11:00:45 GMTjavascriptdenotypescripthttps://blog.lsantos.dev/en/the-concept-of-reference-and-value-in-javascript/https://blog.lsantos.dev/en/the-concept-of-reference-and-value-in-javascript/Understand the differences between reference and value in JavaScript: primitives get copied, objects create shared pointers. Learn cloning techniques.Wed, 21 Feb 2024 11:00:38 GMTjavascriptjavascripttypescripthttps://blog.lsantos.dev/en/whats-new-in-typescript-5-4-beta/https://blog.lsantos.dev/en/whats-new-in-typescript-5-4-beta/Check out the main changes in the TypeScript 5.4 beta! Including the new NoInfer type with deep explanations!Wed, 14 Feb 2024 11:00:19 GMTtypescripttypescripthttps://blog.lsantos.dev/en/on-technical-interviews-it-was-never-about-the-code/https://blog.lsantos.dev/en/on-technical-interviews-it-was-never-about-the-code/In this article, we talk about the point of technical interviews and why I believe none of us really understood what they're actually for.Wed, 31 Jan 2024 11:00:42 GMTcareercareerhttps://blog.lsantos.dev/en/real-time-applications-deno-kv/https://blog.lsantos.dev/en/real-time-applications-deno-kv/Creating real-time applications became much easier with a new tool launched by Deno in version 1.38.5: the watch mode!Wed, 24 Jan 2024 11:00:34 GMTjavascriptdenotypescripthttps://blog.lsantos.dev/en/cron-jobs-in-the-cloud-with-deno-cron/https://blog.lsantos.dev/en/cron-jobs-in-the-cloud-with-deno-cron/Probably a feature everyone has had to use at some point just got a fully serverless equivalent! Let's take a look at Deno CronWed, 17 Jan 2024 11:00:19 GMTjavascriptdenotypescriptdevelopmenthttps://blog.lsantos.dev/en/cryptography-0-essential-concepts/https://blog.lsantos.dev/en/cryptography-0-essential-concepts/How about learning several essential cryptography concepts?!Mon, 15 Jan 2024 23:47:05 GMTsecuritycryptographysecurityserieshttps://blog.lsantos.dev/en/understanding-javascript-maps/https://blog.lsantos.dev/en/understanding-javascript-maps/Since the dawn of humanity, we have tried to relate things in key and value objects. Let's talk about how JavaScript solves this with Maps.Sat, 13 Jan 2024 20:42:28 GMTjavascriptjavascriptdevelopmentecmascripthttps://blog.lsantos.dev/en/queues-have-arrived-in-deno-kv/https://blog.lsantos.dev/en/queues-have-arrived-in-deno-kv/The simplest way to build messaging systems these days is Deno Queues, let's understand everything about this new tool!Wed, 10 Jan 2024 11:00:32 GMTjavascriptdenotypescriptdevelopmenthttps://blog.lsantos.dev/en/deno-1-38-new-features/https://blog.lsantos.dev/en/deno-1-38-new-features/.env file support, test runner in the REPL, Unix socket support and much more in the new Deno 1.38 release!Wed, 03 Jan 2024 11:00:52 GMTjavascriptdenotypescriptdevelopmenthttps://blog.lsantos.dev/en/node-21-2-is-the-most-special-version-of-all/https://blog.lsantos.dev/en/node-21-2-is-the-most-special-version-of-all/Come with me to understand what changed in Node.js 21.2, why this is one of the most special versions of all, and what it means!Fri, 24 Nov 2023 23:50:58 GMTjavascriptnodejsjavascriptdevelopmenthttps://blog.lsantos.dev/en/whats-new-in-node-21/https://blog.lsantos.dev/en/whats-new-in-node-21/Find out everything about the main new features in Node 21 and 21.1 arriving in Node.js!Fri, 10 Nov 2023 16:22:47 GMTjavascriptnodejsjavascripthttps://blog.lsantos.dev/en/typescript-5-3-beta-features/https://blog.lsantos.dev/en/typescript-5-3-beta-features/Let's explore all the new features in the TypeScript 5.3 beta release!Wed, 01 Nov 2023 21:21:53 GMTtypescripttypescriptjavascriptnodejsdenohttps://blog.lsantos.dev/en/defining-static-methods-in-interfaces-with-typescript/https://blog.lsantos.dev/en/defining-static-methods-in-interfaces-with-typescript/Do you know how to type static methods and properties in TypeScript? Come here, I'll show you how!Tue, 17 Oct 2023 22:00:33 GMTtypescripttypescriptjavascriptdevelopmenthttps://blog.lsantos.dev/en/accessing-env-files-natively-with-nodejs/https://blog.lsantos.dev/en/accessing-env-files-natively-with-nodejs/Ever thought about loading your environment variables directly into Node.js? Version 20.6 brings an incredible new feature!Mon, 09 Oct 2023 22:19:59 GMTjavascriptnodejsjavascriptdevelopmenthttps://blog.lsantos.dev/en/best-practices-for-harperdb-projects-using-typescript/https://blog.lsantos.dev/en/best-practices-for-harperdb-projects-using-typescript/When you are working with HarperDB, you can use TypeScript to improve your development experience. Let's talk about folder structures, code best practices, and how to set up your project.Mon, 09 Oct 2023 20:17:39 GMTtypescripttypescriptharperdbdatabasesnodejshttps://blog.lsantos.dev/en/how-to-run-typescript-natively-in-nodejs-with-tsx/https://blog.lsantos.dev/en/how-to-run-typescript-natively-in-nodejs-with-tsx/Have you ever wondered what it would be like to run TypeScript directly on Node.js without needing a compilation step? It's possible, with TSX!Wed, 04 Oct 2023 17:45:33 GMTtypescripttypescriptnodejsdevelopmentjavascripthttps://blog.lsantos.dev/en/whats-new-in-ts-5-3/https://blog.lsantos.dev/en/whats-new-in-ts-5-3/Let's go through what might land in TS 5.3 with this awesome list of features!Wed, 30 Aug 2023 09:00:30 GMTtypescripttypescriptdevelopmentnodejsjavascripthttps://blog.lsantos.dev/en/you-will-never-finish-anything-lessons-from-a-decade-of-mistakes/https://blog.lsantos.dev/en/you-will-never-finish-anything-lessons-from-a-decade-of-mistakes/What do you do when you find out that the control you thought you had over your life was just an illusion you created yourself?Sat, 26 Aug 2023 12:48:12 GMTopinioncareeropinionpersonalhttps://blog.lsantos.dev/en/typescript-5-2-using/https://blog.lsantos.dev/en/typescript-5-2-using/TypeScript 5.2 is rolling out a new keyword called using. But do you know what it's for?Thu, 03 Aug 2023 11:00:11 GMTtypescripttypescriptjavascriptnodejsdevelopmenthttps://blog.lsantos.dev/en/atomic-operations-with-deno-kv/https://blog.lsantos.dev/en/atomic-operations-with-deno-kv/Deno KV is moving faster and faster, let's learn what atomic transactions are and what use they have in a KV database.Thu, 27 Jul 2023 08:00:25 GMTjavascriptdenotypescriptdatabaseshttps://blog.lsantos.dev/en/have-you-heard-of-deno-kv/https://blog.lsantos.dev/en/have-you-heard-of-deno-kv/Have you heard of the new Deno KV? Then it's time to discover this tool that can save your lifeThu, 20 Jul 2023 11:00:50 GMTjavascriptdenodatabasestypescripthttps://blog.lsantos.dev/en/docker-compose-file-watch/https://blog.lsantos.dev/en/docker-compose-file-watch/Docker recently announced a new API for Docker Compose that lets it take automatic actions based on which files changed! Let's understand it all!Thu, 06 Jul 2023 11:00:05 GMTinfradockercontainersdevelopmentdevopshttps://blog.lsantos.dev/en/debugging-containers-with-docker-gremlin/https://blog.lsantos.dev/en/debugging-containers-with-docker-gremlin/You've been debugging your Docker containers wrong all these years and I can prove it! Let's meet Gremlin, the extension that's going to change all of that!Thu, 22 Jun 2023 11:00:32 GMTinfradockercontainersdevelopmentdevopshttps://blog.lsantos.dev/en/what-is-type-testing-in-typescript/https://blog.lsantos.dev/en/what-is-type-testing-in-typescript/Did you know there's a type of test you can't do in plain JavaScript? Learn everything about Type Testing with TypeScript!Wed, 14 Jun 2023 22:46:19 GMTtypescripttypescriptjavascriptnodejsdevelopmenthttps://blog.lsantos.dev/en/what-is-npm-package-provenance/https://blog.lsantos.dev/en/what-is-npm-package-provenance/NPM just shipped a genuinely interesting feature that's going to improve our package security by a lot. Meet package provenance!Fri, 12 May 2023 11:00:16 GMTsecuritysecuritynodejsjavascriptdevelopmenthttps://blog.lsantos.dev/en/whats-new-in-ecmascript-2023/https://blog.lsantos.dev/en/whats-new-in-ecmascript-2023/The official ECMAScript 2023 release is finalized and we already know which features are coming in the new version of the JavaScript specThu, 04 May 2023 10:00:18 GMTtypescriptecmascriptjavascripttypescriptnodejsdevelopmenthttps://blog.lsantos.dev/en/node-20-is-out-whats-new/https://blog.lsantos.dev/en/node-20-is-out-whats-new/Another year, another official Node.js release. Version 20 brings some significant changes, learn all about them here!Thu, 27 Apr 2023 10:00:07 GMTjavascriptnodejsjavascriptecmascriptdevelopmenthttps://blog.lsantos.dev/en/deno-now-has-a-native-database/https://blog.lsantos.dev/en/deno-now-has-a-native-database/Deno surprises us again with a native database implemented right in the global namespace! Let's understand how it works!Wed, 19 Apr 2023 11:00:53 GMTtypescripttypescriptdenodevelopmenthttps://blog.lsantos.dev/en/type-level-programming-semanats-day-5/https://blog.lsantos.dev/en/type-level-programming-semanats-day-5/You've heard of object-oriented programming, but what about type-oriented? A development style that can help you write much safer code with TypeScriptFri, 07 Apr 2023 11:00:08 GMTtypescripttypescripthttps://blog.lsantos.dev/en/advanced-typescript-techniques-semanats-day-4/https://blog.lsantos.dev/en/advanced-typescript-techniques-semanats-day-4/Let's learn all about more advanced TypeScript techniques, from type narrowing to generics and branded types.Thu, 06 Apr 2023 11:00:47 GMTtypescripttypescripthttps://blog.lsantos.dev/en/good-and-bad-typescript-practices-semanats-day-3/https://blog.lsantos.dev/en/good-and-bad-typescript-practices-semanats-day-3/Have you ever wondered what the best TypeScript practices are for keeping your code typed and safe? I'll show you!Wed, 05 Apr 2023 11:00:41 GMTtypescripttypescripthttps://blog.lsantos.dev/en/external-types-and-declaration-files-ts-week-day-2/https://blog.lsantos.dev/en/external-types-and-declaration-files-ts-week-day-2/On the second day of TS Week, let's talk about type declaration files and best practices for building libraries!Tue, 04 Apr 2023 11:00:24 GMTtypescripttypescripthttps://blog.lsantos.dev/en/what-you-knew-and-didnt-know-about-ts-ts-week-day-1/https://blog.lsantos.dev/en/what-you-knew-and-didnt-know-about-ts-ts-week-day-1/Learn everything about TypeScript and how you can take your first steps in this technology that keeps growing more and more!Mon, 03 Apr 2023 11:00:04 GMTtypescripttypescriptjavascriptdevelopmenthttps://blog.lsantos.dev/en/typescript-5-official-updates/https://blog.lsantos.dev/en/typescript-5-official-updates/It's official! TypeScript released version 5.0 and I'm going to tell you everything that's new!Thu, 23 Mar 2023 11:00:38 GMTtypescripttypescriptdevelopmenttechnologyhttps://blog.lsantos.dev/en/the-new-iterator-range-proposal-for-javascript-sequences/https://blog.lsantos.dev/en/the-new-iterator-range-proposal-for-javascript-sequences/An API you never thought you needed until you did! Meet number sequences in JavaScript!Thu, 16 Feb 2023 11:00:08 GMTjavascriptjavascriptecmascriptdevelopmenttypescripthttps://blog.lsantos.dev/en/whats-new-in-typescript-5-0-beta/https://blog.lsantos.dev/en/whats-new-in-typescript-5-0-beta/TypeScript 5.0 beta is out! Time to find out what's new in the latest version of the superset everyone loves!Thu, 02 Feb 2023 11:11:51 GMTtypescripttypescriptdevelopmentecmascriptjavascriptnodejshttps://blog.lsantos.dev/en/what-are-errors-and-what-is-error-cause-for-in-javascript/https://blog.lsantos.dev/en/what-are-errors-and-what-is-error-cause-for-in-javascript/Error handling is one of the most important and hardest skills for any dev. But almost nobody knows there's a much easier way to handle your errors.Wed, 18 Jan 2023 11:00:30 GMTjavascriptjavascriptecmascripttypescriptdevelopmenthttps://blog.lsantos.dev/en/what-are-generators-in-js-for/https://blog.lsantos.dev/en/what-are-generators-in-js-for/Generators aren't a recent JavaScript API, but they're still not very well known. Let's learn what you can use generators for and how you can take your skills to another level with this featureThu, 05 Jan 2023 13:00:46 GMTjavascriptjavascriptecmascripthttps://blog.lsantos.dev/en/lets-talk-about-deno/https://blog.lsantos.dev/en/lets-talk-about-deno/Is Node.js finally dying? Is this the moment to migrate to Deno? Let's understand everything about it in this article!Wed, 21 Dec 2022 12:00:14 GMTjavascriptdenojavascripttypescripthttps://blog.lsantos.dev/en/is-javascript-going-to-stop-being-single-threaded/https://blog.lsantos.dev/en/is-javascript-going-to-stop-being-single-threaded/What if JavaScript were as good at running on more than one thread as it is at running on just one? Let's understand Module Expressions!Thu, 08 Dec 2022 13:00:41 GMTtypescriptecmascriptjavascriptdevelopmenthttps://blog.lsantos.dev/en/javascript-decorators/https://blog.lsantos.dev/en/javascript-decorators/One of JavaScript's most important proposals just hit stage 3! Understand what decorators are and why they're not the only new thing in this proposal!Fri, 04 Nov 2022 14:00:14 GMTjavascriptjavascriptecmascriptdevelopmenttypescripthttps://blog.lsantos.dev/en/simple-multi-node-data-replication-with-harperdb-pubsub/https://blog.lsantos.dev/en/simple-multi-node-data-replication-with-harperdb-pubsub/In the previous articles I wrote about HarperDB, we explored Kubernetes and Helm. Now it's time to understand another cool feature: multi-node replication with pub/sub.Fri, 21 Oct 2022 11:10:15 GMTinfraharperdbdatabasesjavascriptpubsubhttps://blog.lsantos.dev/en/simpler-clis-with-util-parseargs/https://blog.lsantos.dev/en/simpler-clis-with-util-parseargs/Learn how Node.js made building command line tools easier with the new parseArgs method!Thu, 20 Oct 2022 13:00:04 GMTjavascriptnodejsjavascripttypescripthttps://blog.lsantos.dev/en/everything-about-the-new-satisfies-operator-in-typescript/https://blog.lsantos.dev/en/everything-about-the-new-satisfies-operator-in-typescript/With the TypeScript 4.9 beta, we got a new operator, satisfies. Let's understand how this new operator can be useful and why it's super cool!Wed, 05 Oct 2022 13:00:52 GMTtypescripttypescriptjavascripthttps://blog.lsantos.dev/en/creating-telegram-bots-with-grammy/https://blog.lsantos.dev/en/creating-telegram-bots-with-grammy/Learn how to build amazing Telegram bots using a fantastic tool that's going to change the way you work with automations.Wed, 05 Oct 2022 13:00:00 GMTjavascriptdenotypescriptbotstelegramgrammyhttps://blog.lsantos.dev/en/everything-about-the-new-array-methods-in-javascript/https://blog.lsantos.dev/en/everything-about-the-new-array-methods-in-javascript/One of the promises of ECMAScript is the addition of new array methods. In this article we'll go through every one of them and give a use case for each, so you won't be left out!Thu, 22 Sep 2022 13:00:15 GMTjavascriptjavascriptecmascriptdevelopmentnodejshttps://blog.lsantos.dev/en/what-are-do-expressions-in-javascript/https://blog.lsantos.dev/en/what-are-do-expressions-in-javascript/Understand one of the most famous and important forms of expressions that are on their way into JavaScript soon!Wed, 07 Sep 2022 13:00:17 GMTjavascriptjavascriptecmascriptdevelopmenthttps://blog.lsantos.dev/en/what-to-expect-from-javascript-in-2023/https://blog.lsantos.dev/en/what-to-expect-from-javascript-in-2023/What does JavaScript have in store for us in 2023? In this post I go over the main proposals that could become reality next year!Sat, 27 Aug 2022 00:09:44 GMTjavascriptjavascriptecmascriptdevelopmenttypescripthttps://blog.lsantos.dev/en/using-jwt-tokens-safely/https://blog.lsantos.dev/en/using-jwt-tokens-safely/You've been using JWT tokens unsafely in every one of your projects! In this article you'll learn how to protect your tokens against attacks!Thu, 18 Aug 2022 14:00:00 GMTjavascriptjavascriptsecuritytypescripthttps://blog.lsantos.dev/en/5-hardest-things-in-computer-science/https://blog.lsantos.dev/en/5-hardest-things-in-computer-science/After almost 11 years in this career, I decided to write a bit about the things I find hardest in programming, and it's not writing code!Wed, 03 Aug 2022 14:00:00 GMTopinionopiniondevelopmentarchitecturehttps://blog.lsantos.dev/en/javascript-news-2022/https://blog.lsantos.dev/en/javascript-news-2022/JavaScript keeps evolving! Come with me in this article where I'll show you what's new in the world's favorite language in 2022.Thu, 28 Jul 2022 07:00:00 GMTjavascriptjavascriptecmascriptnodejsdevelopmenthttps://blog.lsantos.dev/en/using-harperdb-with-kubernetes/https://blog.lsantos.dev/en/using-harperdb-with-kubernetes/Ready to learn how to install and manage an awesome database on Kubernetes? Let me introduce you to HarperDB and show how we can distribute databases across clusters.Thu, 30 Jun 2022 14:45:00 GMTinfrakubernetesharperdbdatabasescontainersdockerhttps://blog.lsantos.dev/en/why-you-should-rethink-using-date-now/https://blog.lsantos.dev/en/why-you-should-rethink-using-date-now/In this article I'll show you why Date.now() is a real problem, especially when you need to measure time or duration in JavaScript, and why you should stop using it.Tue, 28 Jun 2022 07:00:00 GMTjavascriptnodejsjavascripttypescriptecmascriptdevelopmenthttps://blog.lsantos.dev/en/shadow-realms-in-javascript/https://blog.lsantos.dev/en/shadow-realms-in-javascript/One of the most interesting JavaScript proposals in a while is getting people talking. Find out what shadow realms are and how they let you run code more safely.Tue, 21 Jun 2022 13:00:00 GMTjavascriptjavascriptnodejsecmascriptdevelopmenthttps://blog.lsantos.dev/en/whats-new-in-typescript-47/https://blog.lsantos.dev/en/whats-new-in-typescript-47/Get up to speed on the main new features of TypeScript 4.7. Which, among many other things, includes the ability to use native ESModules!Wed, 08 Jun 2022 14:27:00 GMTtypescripttypescriptdevelopmentjavascriptnodejshttps://blog.lsantos.dev/en/everything-you-need-to-know-about-nodejs-new-test-runner/https://blog.lsantos.dev/en/everything-you-need-to-know-about-nodejs-new-test-runner/Learn everything about Node.js 18's new test runner and how you can use it to test your code.Wed, 25 May 2022 11:53:00 GMTjavascriptnodejsjavascriptdevelopmenthttps://blog.lsantos.dev/en/whats-new-in-nodejs-18/https://blog.lsantos.dev/en/whats-new-in-nodejs-18/Learn all about the 2022 Node.js release and how it can (and will) impact the whole ecosystem, with the addition of awesome APIs and new import models.Wed, 04 May 2022 14:00:00 GMTjavascriptnodejsjavascripthttps://blog.lsantos.dev/en/typescript-infer-explained/https://blog.lsantos.dev/en/typescript-infer-explained/If you've written TypeScript code, you might not have seen the famous `infer` keyword yet. But trust me, one day it'll show up and you'll know what it is!Mon, 18 Apr 2022 14:00:00 GMTtypescripttypescriptdevelopmentjavascriptnodejshttps://blog.lsantos.dev/en/sharing-types-with-typescript/https://blog.lsantos.dev/en/sharing-types-with-typescript/One of the biggest problems we have in TypeScript projects is sharing types across multiple projects. Let's look at a few techniques to ease that pain!Mon, 11 Apr 2022 14:00:00 GMTtypescripttypescriptdevelopmenthttps://blog.lsantos.dev/en/pipeline-operators-in-javascript/https://blog.lsantos.dev/en/pipeline-operators-in-javascript/Understand everything about the proposal that has been gaining a lot of traction in ECMAScript: pipeline operators.Mon, 04 Apr 2022 14:00:00 GMTjavascriptjavascriptecmascriptdevelopmenthttps://blog.lsantos.dev/en/javascript-with-typescript-types-new-proposal/https://blog.lsantos.dev/en/javascript-with-typescript-types-new-proposal/Everything about the TypeScript team's new proposal to embed native types into JavaScript's interpreter.Mon, 28 Mar 2022 14:00:00 GMTjavascriptjavascripttypescriptnodejsecmascripthttps://blog.lsantos.dev/en/javascript-new-data-types-tuples-records/https://blog.lsantos.dev/en/javascript-new-data-types-tuples-records/Meet the tuples and records proposal that could change JavaScript's history for the better! And you can still help shape this idea!Tue, 22 Mar 2022 14:00:00 GMTjavascriptjavascriptnodejshttps://blog.lsantos.dev/en/understanding-timers-promises-and-abortcontrollers-in-nodejs/https://blog.lsantos.dev/en/understanding-timers-promises-and-abortcontrollers-in-nodejs/Learn everything about the new ways to cancel async functions and declare time intervals with promises in Node.jsMon, 14 Mar 2022 14:00:00 GMTjavascriptjavascriptnodejsdevelopmentarchitecturehttps://blog.lsantos.dev/en/migrating-a-legacy-application-from-mongodb-to-harperdb/https://blog.lsantos.dev/en/migrating-a-legacy-application-from-mongodb-to-harperdb/A few weeks ago I gave a talk at the HarperDB channel about how we can migrate a legacy application from MongoDB to HarperDB. This is the written, hands-on version of that talk.Wed, 02 Mar 2022 19:51:23 GMTinframongodbharperdbdatabasestypescripthttps://blog.lsantos.dev/en/most-common-bad-practices-javascript/https://blog.lsantos.dev/en/most-common-bad-practices-javascript/Come learn some of the practices considered "bad" in JavaScript, and how you can work around them to make your code better!Tue, 01 Feb 2022 13:00:00 GMTjavascriptjavascriptarchitecturehttps://blog.lsantos.dev/en/array-groupby-stage-3/https://blog.lsantos.dev/en/array-groupby-stage-3/No more manually grouping objects and keys or reaching for external libraries. JavaScript can now count on a native grouping method!Wed, 12 Jan 2022 15:00:00 GMTjavascriptjavascriptdevelopmentecmascripthttps://blog.lsantos.dev/en/salary-negotiation-for-devs-tips-and-tricks/https://blog.lsantos.dev/en/salary-negotiation-for-devs-tips-and-tricks/Ever thought about getting salary negotiation tips for devs? In this video I show you the main tips I wish I'd known when I started my career, and I share several resources to help you negotiate the best salaries tooSun, 14 Nov 2021 11:03:48 GMTcareervideocareerhttps://blog.lsantos.dev/en/why-writing-matters-for-your-career/https://blog.lsantos.dev/en/why-writing-matters-for-your-career/Why don't you write content? Have you thought that this could be very good for your career and for your own life?Thu, 04 Nov 2021 12:46:00 GMTcareervideocareerhttps://blog.lsantos.dev/en/what-i-learned-after-150-talks/https://blog.lsantos.dev/en/what-i-learned-after-150-talks/After 6 years creating content, I'm sharing what I learned from giving 150 talks at online and in-person tech events.Thu, 28 Oct 2021 13:55:00 GMTcareervideocareereventshttps://blog.lsantos.dev/en/npm-10-hidden-features/https://blog.lsantos.dev/en/npm-10-hidden-features/You don't know NPM can do this much. I'll show you 10 commands you've probably never tried.Thu, 21 Oct 2021 13:55:00 GMTjavascriptvideojavascriptnpmtypescripthttps://blog.lsantos.dev/en/5-things-to-know-before-speaking-cfp/https://blog.lsantos.dev/en/5-things-to-know-before-speaking-cfp/How about learning the 5 main tips when speaking at tech events?Thu, 14 Oct 2021 13:40:00 GMTcareervideoeventscareerhttps://blog.lsantos.dev/en/temporal-the-new-way-to-work-with-dates-in-javascript/https://blog.lsantos.dev/en/temporal-the-new-way-to-work-with-dates-in-javascript/Learn before everyone else how to handle dates with the new JavaScript spec that's going to replace Date!Fri, 24 Sep 2021 00:49:00 GMTjavascriptjavascripttypescriptdevelopmentecmascripthttps://blog.lsantos.dev/en/whats-new-in-typescript-4-4/https://blog.lsantos.dev/en/whats-new-in-typescript-4-4/Let's dig into what's new in TypeScript 4.4 and understand every single one of the new features!Wed, 15 Sep 2021 11:00:00 GMTtypescripttypescriptjavascriptdevelopmenthttps://blog.lsantos.dev/en/removing-duplicate-items-in-javascript-es6/https://blog.lsantos.dev/en/removing-duplicate-items-in-javascript-es6/One of the biggest struggles devs have when using Maps and Sets is removing duplicate objects that aren't primitives. How about learning the best way to do it?Wed, 08 Sep 2021 12:00:00 GMTjavascriptjavascriptperformanceecmascriptes2020https://blog.lsantos.dev/en/meet-sparkplug-the-new-v8-js-compiler/https://blog.lsantos.dev/en/meet-sparkplug-the-new-v8-js-compiler/Meet the thing behind a 15% performance boost in V8 based browsers, and how it's going to change your life!Tue, 17 Aug 2021 20:16:48 GMTjavascriptjavascriptnodejsarchitecturehttps://blog.lsantos.dev/en/es2021-approved-javascript-features/https://blog.lsantos.dev/en/es2021-approved-javascript-features/Want to know what's coming in ES2021? Let's go through the new features one by one.Wed, 14 Jul 2021 13:00:00 GMTjavascriptjavascripthttps://blog.lsantos.dev/en/the-complete-grpc-guide-part-4-streams/https://blog.lsantos.dev/en/the-complete-grpc-guide-part-4-streams/Learn how to use one of the most interesting gRPC features: streams! Performance and speed for large data made super simple!Wed, 07 Jul 2021 12:00:00 GMTinfragrpcjavascriptprotobufarchitectureserieshttps://blog.lsantos.dev/en/introducing-the-keda-http-add-on/https://blog.lsantos.dev/en/introducing-the-keda-http-add-on/Learn how to scale your Kubernetes applications based on HTTP requests with the KEDA HTTP Add-onFri, 02 Jul 2021 20:01:58 GMTinfrakedakubernetescontainershttps://blog.lsantos.dev/en/getting-started-with-ecmascript-modules/https://blog.lsantos.dev/en/getting-started-with-ecmascript-modules/ES Modules are the next generation of module imports in JavaScript. Here's how this feature promises to change what we know.Wed, 23 Jun 2021 11:00:00 GMTjavascriptjavascriptnodejshttps://blog.lsantos.dev/en/creating-dynamic-test-environments-with-github-actions/https://blog.lsantos.dev/en/creating-dynamic-test-environments-with-github-actions/Ever imagined having a different environment for every feature you want to test? How about doing it with GitHub Actions and the power of Kubernetes?Wed, 09 Jun 2021 13:00:00 GMTinfragithubkuberneteshelmakscihttps://blog.lsantos.dev/en/the-complete-grpc-guide-part-3-types-everywhere-with-typescript/https://blog.lsantos.dev/en/the-complete-grpc-guide-part-3-types-everywhere-with-typescript/In this chapter of our gRPC series, we're going to learn how to integrate TypeScript with gRPC and enjoy its full type system!Wed, 26 May 2021 15:10:32 GMTinfragrpctypescriptnodejsseriesprotobufrestarchitecturehttps://blog.lsantos.dev/en/whats-new-in-nodejs-16/https://blog.lsantos.dev/en/whats-new-in-nodejs-16/Learn what's new in version 16 of the world's most famous JavaScript runtime!Wed, 19 May 2021 17:46:04 GMTjavascriptnodejsjavascriptdrophttps://blog.lsantos.dev/en/containers-beyond-docker/https://blog.lsantos.dev/en/containers-beyond-docker/Want to learn more about containers? Check out this collection of content from an incredible live stream where we explored containers far beyond Docker!Thu, 13 May 2021 20:18:00 GMTinfracontainerdcontainersdockervideogolanghttps://blog.lsantos.dev/en/the-complete-grpc-guide-part-2-hands-on-with-javascript/https://blog.lsantos.dev/en/the-complete-grpc-guide-part-2-hands-on-with-javascript/Understand what gRPC is for JavaScript, how a gRPC call works, and how you can turn all your APIs into something faster and more descriptive!Wed, 12 May 2021 13:00:00 GMTinfragrpcjavascriptprotobufnodejshttps://blog.lsantos.dev/en/what-is-open-source/https://blog.lsantos.dev/en/what-is-open-source/Learn what Open Source is and understand what free software, open source, and open code mean in this amazing live session!Tue, 11 May 2021 20:41:00 GMTmetaopen sourcegitvideohttps://blog.lsantos.dev/en/whats-new-in-the-typescript-4-3-beta/https://blog.lsantos.dev/en/whats-new-in-the-typescript-4-3-beta/Let's go through everything that just shipped for TypeScript 4.3, which you can already try out!Mon, 10 May 2021 18:38:14 GMTtypescriptdroptypescriptjavascripthttps://blog.lsantos.dev/en/the-simplest-way-to-learn-kubernetes-is-through-its-api/https://blog.lsantos.dev/en/the-simplest-way-to-learn-kubernetes-is-through-its-api/In this short article we're going to find the simplest way to learn the concepts behind Kubernetes in a practical way.Thu, 06 May 2021 18:50:34 GMTinfrakubernetesdropcontainershttps://blog.lsantos.dev/en/the-complete-grpc-guide-part-1-what-is-grpc/https://blog.lsantos.dev/en/the-complete-grpc-guide-part-1-what-is-grpc/In this series of articles we're going to learn everything there is to learn about gRPC and how we use this amazing tool in our applications!Tue, 20 Apr 2021 11:00:00 GMTinfragrpcseriesjavascripttypescriptdevelopmentprotobufrestarchitecturehttps://blog.lsantos.dev/en/hosting-your-docker-images-in-your-own-registry/https://blog.lsantos.dev/en/hosting-your-docker-images-in-your-own-registry/One of the coolest things about Docker is that you already have a massive image repository out of the box: Docker Hub, where you can download and host your images publicly (and even privately for a fee).Tue, 13 Apr 2021 13:00:00 GMTinfradockercontainerstechnologydevelopmenthttps://blog.lsantos.dev/en/integrating-azure-active-directory-with-aks/https://blog.lsantos.dev/en/integrating-azure-active-directory-with-aks/Let's learn how to keep your cluster even more secure by integrating Azure AD with AKS, making it much easier to administer your cluster.Tue, 06 Apr 2021 13:00:00 GMTinfraakskubernetesazuresecuritycloudcontainersdevopshttps://blog.lsantos.dev/en/storing-your-helm-charts-in-azure-container-registry/https://blog.lsantos.dev/en/storing-your-helm-charts-in-azure-container-registry/Helm has plenty of amazing tools around it, but storing charts has always been a problem. Learn how we can make that process a lot easier!Tue, 30 Mar 2021 13:00:00 GMTinfrahelmkubernetescontainersazureacrdockerakscloudhttps://blog.lsantos.dev/en/understanding-container-ecosystem-beyond-docker/https://blog.lsantos.dev/en/understanding-container-ecosystem-beyond-docker/Watch the full video of my talk about the container ecosystem beyond Docker with the DockerSP folks!Fri, 26 Mar 2021 00:20:12 GMTinfravideotalkcontainerdcontainersdockerkubernetescriocicri-odevopsgrpctechnologyhttps://blog.lsantos.dev/en/manage-your-dotfiles-from-anywhere-with-git/https://blog.lsantos.dev/en/manage-your-dotfiles-from-anywhere-with-git/Setting up a computer is one of the most annoying tasks every developer has to go through when switching machines, but what if it got a lot easier?Tue, 23 Mar 2021 13:00:00 GMTinfragithubgitcloudtechnologyvirtual machinestipshttps://blog.lsantos.dev/en/how-to-control-your-kubernetes-cluster-with-affinity-and-tolerations/https://blog.lsantos.dev/en/how-to-control-your-kubernetes-cluster-with-affinity-and-tolerations/Do you have control over your Kubernetes cluster? Let's learn the techniques and concepts that will help you keep control of your applications inside the distributed modelTue, 02 Mar 2021 12:00:00 GMTinfrakubernetesaksazurecloudcontainersdevelopmentdevopsdockertechnologyhttps://blog.lsantos.dev/en/giving-permissions-to-users-with-kubernetes/https://blog.lsantos.dev/en/giving-permissions-to-users-with-kubernetes/We already know how to create users in Kubernetes, now let's learn how to give them permissions defined with Roles and ClusterRoles!Tue, 23 Feb 2021 12:00:00 GMTinfrakubernetesaksazurecontainersdevopstechnologyhttps://blog.lsantos.dev/en/understanding-container-runtimes/https://blog.lsantos.dev/en/understanding-container-runtimes/Did you know there are several types of container runtimes? Let's dig into the difference between them.Thu, 18 Feb 2021 12:37:00 GMTinfracloudcontainerdcontainerscridevopsdockerkubernetesmicroservicesmicrosserviçosocitechnologycri-ohttps://blog.lsantos.dev/en/creating-and-managing-users-in-kubernetes/https://blog.lsantos.dev/en/creating-and-managing-users-in-kubernetes/Using the same config file for every user can be a huge problem for your security and your cluster's! Learn how to create new users to improve the audit trail and security of your applications!Thu, 11 Feb 2021 13:00:00 GMTinfrakubernetesakscloudazurecontainersdevopsdockermicrosserviçosmicroservicessecurityhttps://blog.lsantos.dev/en/custom-metrics-with-aks/https://blog.lsantos.dev/en/custom-metrics-with-aks/Monitoring matters a lot for distributed applications. Learn how to create and monitor your applications with custom Prometheus metrics for Azure Monitor.Tue, 09 Feb 2021 13:00:00 GMTinfrakubernetesazurecontainersmonitordevopscloudtechnologyaksazure monitorprometheusgolangnodejsdockerhttps://blog.lsantos.dev/en/learn-kubernetes-on-aks/https://blog.lsantos.dev/en/learn-kubernetes-on-aks/Learn what Docker is and what Kubernetes is in a simple and fast talk.Fri, 05 Feb 2021 01:00:00 GMTinfrakubernetesaksazurecontainersdockercontainerdclouddevopseventsvideoworkshophttps://blog.lsantos.dev/en/controlling-containers-from-inside-your-application-with-containerd/https://blog.lsantos.dev/en/controlling-containers-from-inside-your-application-with-containerd/Ever thought about an alternative to Docker? How about manipulating containers programmatically from your API? Let's integrate your app with the container world!Thu, 04 Feb 2021 14:00:00 GMTinfracontainerdcontainersdockerocicrigolangdevopskubernetestechnologyhttps://blog.lsantos.dev/en/kubernetes-without-docker-oci-cri/https://blog.lsantos.dev/en/kubernetes-without-docker-oci-cri/Kubernetes recently started deprecating Docker. What does that mean for you? What's this alphabet soup of OCI, CRI, RunC? Let's dive in and learn more about the container ecosystem!Tue, 02 Feb 2021 13:00:00 GMTinfradockercontainerdocicrikubernetescontainersarchitecturetechnologyhttps://blog.lsantos.dev/en/podcast-faladev-lets-talk-about-microservices/https://blog.lsantos.dev/en/podcast-faladev-lets-talk-about-microservices/Do you know what microservices are? Want to join a super interesting discussion about best practices and how we work with them? Then come to #FalaDevFri, 08 Jan 2021 17:42:39 GMTmetapodcastsarchitecturemicrosserviçosmicroservicesdevelopmenteventstechnologyhttps://blog.lsantos.dev/en/we-are-4k-thank-you/https://blog.lsantos.dev/en/we-are-4k-thank-you/Thank you so much for 4k followers! To celebrate this milestone, I'll be doing some awesome giveaways!Wed, 09 Dec 2020 17:33:25 GMTmetablogeventsnewsinfohttps://blog.lsantos.dev/en/grpc-with-nodejs-at-enterjs-2020/https://blog.lsantos.dev/en/grpc-with-nodejs-at-enterjs-2020/Want to know how gRPC works in practice with Node.js? In this talk I present the complete concept of gRPC and we see how it all works!Thu, 03 Dec 2020 20:55:44 GMTinfragrpceventstalkvideojavascriptnodejshttps://blog.lsantos.dev/en/understanding-service-communication-with-grpc-at-dowhile-2020/https://blog.lsantos.dev/en/understanding-service-communication-with-grpc-at-dowhile-2020/Want to learn how to retire REST from your service communications through gRPC? Join me in this FREE workshop to learn!Mon, 30 Nov 2020 14:52:51 GMTinfraeventstalkworkshopgrpcarchitecturedevelopmentjavascripthttps://blog.lsantos.dev/en/why-black-fridays-go-wrong/https://blog.lsantos.dev/en/why-black-fridays-go-wrong/I was the surprise guest on this Hipsters webcast discussing Black Friday stories with Gabs Ferreira, Mário, and Patrícia.Mon, 30 Nov 2020 03:21:41 GMTcareervideohipsterspodcaststechnologycareerciclouddevelopmenthttps://blog.lsantos.dev/en/understanding-threading-nodejs-rodrigo-branas/https://blog.lsantos.dev/en/understanding-threading-nodejs-rodrigo-branas/In this awesome live stream, we talked about worker threads and how threads actually work on modern computers.Fri, 20 Nov 2020 16:31:32 GMTjavascriptjavascriptnodejsthreadsperformancehttps://blog.lsantos.dev/en/automatic-os-updates-unattended-upgrades/https://blog.lsantos.dev/en/automatic-os-updates-unattended-upgrades/Want to set up your server so it never needs your interaction to perform security updates?Wed, 11 Nov 2020 16:10:23 GMTinfracloudsecurityarchitecturehttps://blog.lsantos.dev/en/applying-two-factor-authentication-to-ssh/https://blog.lsantos.dev/en/applying-two-factor-authentication-to-ssh/These days, using only passwords or public keys isn't enough anymore, we need to take security further by applying two-factor authentication to our servers.Thu, 05 Nov 2020 22:07:56 GMTinfraazurecloudsecurityhttps://blog.lsantos.dev/en/have-total-privacy-with-your-own-cloud-hosted-vpn/https://blog.lsantos.dev/en/have-total-privacy-with-your-own-cloud-hosted-vpn/Ever thought about having your own VPN server? Something that for sure doesn't generate logs and has nobody spying on you? So why not build one?Tue, 27 Oct 2020 17:51:53 GMTinfraazuresecuritycloudvpnhttps://blog.lsantos.dev/en/learn-aks-with-this-free-course/https://blog.lsantos.dev/en/learn-aks-with-this-free-course/In this 8-hour free course, I show how we can learn Kubernetes from zero to being able to manage our own applications!Fri, 23 Oct 2020 14:34:51 GMTinfraazurecontainerskubernetesvideocloudhttps://blog.lsantos.dev/en/making-vscode-your-only-dev-environment-docker-kubernetes/https://blog.lsantos.dev/en/making-vscode-your-only-dev-environment-docker-kubernetes/Ever thought you wouldn't have to leave your favorite editor to develop Kubernetes-native applications? What if I told you that's possible, and very easy?Mon, 05 Oct 2020 00:34:43 GMTinfrakubernetesdockercontainersvscodeazureclouddevelopmenttechnologyvideoworkshophttps://blog.lsantos.dev/en/is-this-the-end-of-the-software-development-career/https://blog.lsantos.dev/en/is-this-the-end-of-the-software-development-career/Is technology's progress and the current state of the software development market contributing to a decline of the "Developer" profession? Are we digging our own graves?Fri, 02 Oct 2020 21:47:10 GMTopinionopiniontechnologydevelopmentcareerhttps://blog.lsantos.dev/en/microsoft-reactor-aks-virtual-nodes-github-actions/https://blog.lsantos.dev/en/microsoft-reactor-aks-virtual-nodes-github-actions/A free workshop on how we can leverage the power of Virtual Nodes to create applications that scale infinitely and also how we can automate the deployment of everything using GitHub Actions and AKS!Thu, 01 Oct 2020 17:17:34 GMTinfraazurekubernetesdockergithubcicontainersvideoworkshophttps://blog.lsantos.dev/en/docker-image-deploy-from-vscode-to-azure-in-a-click/https://blog.lsantos.dev/en/docker-image-deploy-from-vscode-to-azure-in-a-click/The long-awaited Docker and Azure integration has finally arrived for everyone, and in a much easier way!Fri, 25 Sep 2020 23:54:57 GMTinfradockerazurecontainerscloudtechnologyhttps://blog.lsantos.dev/en/meet-the-github-container-registry/https://blog.lsantos.dev/en/meet-the-github-container-registry/Have you ever thought about how much easier your life would be if you could store your Docker images in the same place where you version your code?Fri, 18 Sep 2020 22:59:27 GMTinfradockercontainersgithubdevelopmenttechnologyhttps://blog.lsantos.dev/en/know-everything-about-your-services-with-jaeger-and-linkerd/https://blog.lsantos.dev/en/know-everything-about-your-services-with-jaeger-and-linkerd/How about watching every single call in your system in depth and understanding exactly when everything happened? Let's install Jaeger and get all that power!Mon, 14 Sep 2020 17:16:46 GMTinfrakuberneteslinkerdjaegercontainersdevelopmenttechnologyhttps://blog.lsantos.dev/en/an-introduction-to-service-mesh-with-linkerd/https://blog.lsantos.dev/en/an-introduction-to-service-mesh-with-linkerd/Observability, logging, traffic control. Everything you've ever dreamed of for microservices, simple and fast, with LinkerdThu, 10 Sep 2020 21:26:02 GMTinfrakubernetescontainerslinkerdarchitecturetechnologydevelopmentcloudhttps://blog.lsantos.dev/en/optimizing-costs-with-kubernetes-and-aks/https://blog.lsantos.dev/en/optimizing-costs-with-kubernetes-and-aks/Kubernetes has a reputation for being a much more expensive approach than usual for most applications. Want to know how you can optimize your costs efficiently?Thu, 03 Sep 2020 15:41:57 GMTinfrakubernetesazurecloudcontainersdockertechnologydevelopmenthttps://blog.lsantos.dev/en/whats-new-in-typescript-4-0/https://blog.lsantos.dev/en/whats-new-in-typescript-4-0/Let's dig into the newest TypeScript update, version 4.0!Mon, 31 Aug 2020 20:45:39 GMTtypescripttypescriptdevelopmenttechnologyhttps://blog.lsantos.dev/en/full-cycle-4-0-marathon/https://blog.lsantos.dev/en/full-cycle-4-0-marathon/In this amazing talk, we discuss clouds in general and how they differ from one another. Then, I show six demonstrations of how you can publish your service on Azure effortlessly!Sat, 29 Aug 2020 02:48:18 GMTinfraazurecloudcontainersdockervideotalkkuberneteshttps://blog.lsantos.dev/en/leveling-up-microservices-with-service-meshes/https://blog.lsantos.dev/en/leveling-up-microservices-with-service-meshes/How good would it be if you had total control over your distributed applications, to the point where you could know everything about them?Fri, 21 Aug 2020 20:42:36 GMTinfracontainerskubernetesarchitectureclouddevelopmenttechnologyhttps://blog.lsantos.dev/en/a-deep-dive-into-container-images-part-3/https://blog.lsantos.dev/en/a-deep-dive-into-container-images-part-3/How do you build a fast, light, efficient image for your application when you're using a dynamic language like JavaScript?Fri, 14 Aug 2020 17:34:25 GMTinfradockercontainersjavascriptdevelopmenttechnologytypescripthttps://blog.lsantos.dev/en/write-code-anywhere-with-codespaces/https://blog.lsantos.dev/en/write-code-anywhere-with-codespaces/What would your life be like if you could have your computer with you everywhere, without ever actually carrying it?Thu, 13 Aug 2020 22:20:32 GMTinfradockercontainerscodespacesclouddevelopmenttechnologyhttps://blog.lsantos.dev/en/hipsters-tech-212-microsoft-cloud-technologies/https://blog.lsantos.dev/en/hipsters-tech-212-microsoft-cloud-technologies/Come learn how Microsoft cloud technologies work and how we can get the most out of them on this amazing podcast!Tue, 04 Aug 2020 20:21:26 GMTinfrapodcastsazureclouddevelopmenttechnologyhttps://blog.lsantos.dev/en/running-containers-on-azure-container-instances-with-docker/https://blog.lsantos.dev/en/running-containers-on-azure-container-instances-with-docker/Ever imagined what it would be like to run a container directly on a cloud infrastructure without doing anything new?Mon, 03 Aug 2020 13:00:00 GMTinfracontainersdockerazuretechnologycloudhttps://blog.lsantos.dev/en/alura-react-live-02-using-typescript-in-project/https://blog.lsantos.dev/en/alura-react-live-02-using-typescript-in-project/Ever wondered if we could use TypeScript on the front-end? Let's dive into an application and learn how TypeScript works with React!Wed, 29 Jul 2020 23:28:30 GMTtypescriptvideotypescriptreactdevelopmenttechnologyhttps://blog.lsantos.dev/en/a-deep-dive-into-container-images-part-2/https://blog.lsantos.dev/en/a-deep-dive-into-container-images-part-2/We already know what each image type is for, now let's put that knowledge to work in a compiled application! Is the smallest image really the best one?Wed, 29 Jul 2020 13:00:00 GMTinfracontainersdockergolangdevelopmenttechnologyhttps://blog.lsantos.dev/en/meetrybe-code-architecture/https://blog.lsantos.dev/en/meetrybe-code-architecture/On the 25th I participated in the first Meetrybe, an online meetup from Trybe school, with several heavyweight speakers discussing software architecture. See how it went!Sat, 25 Jul 2020 17:01:16 GMTmetavideomeetupdevelopmentarchitecturehttps://blog.lsantos.dev/en/a-deep-dive-into-container-images-part-1/https://blog.lsantos.dev/en/a-deep-dive-into-container-images-part-1/Learn what every type of container image is for and how to pick the best image for your project!Fri, 24 Jul 2020 13:00:00 GMTinfracontainersdockerdevelopmenttechnologyhttps://blog.lsantos.dev/en/hello-world/https://blog.lsantos.dev/en/hello-world/After a few months of researching and working toward a new phase of content production, this blog is finally off the ground!Thu, 23 Jul 2020 00:23:11 GMTmetablognewsinfohttps://blog.lsantos.dev/en/why-devs-should-write-articles/https://blog.lsantos.dev/en/why-devs-should-write-articles/Ever stopped to think that most people only consume and never produce anything? Writing can make your career take off!Thu, 14 May 2020 03:00:00 GMTcareercareerhttps://blog.lsantos.dev/en/from-zero-to-github-actions-automation-in-7-minutes/https://blog.lsantos.dev/en/from-zero-to-github-actions-automation-in-7-minutes/How to start from zero and automate your whole container pipeline in under 7 minutes, all with GitHub ActionsFri, 08 May 2020 03:00:00 GMTinfracontainersdockerhttps://blog.lsantos.dev/en/understanding-async-iterators-in-javascript/https://blog.lsantos.dev/en/understanding-async-iterators-in-javascript/You already know synchronous iterators, but do you know async iterators?Sun, 28 Jul 2019 03:00:00 GMTjavascriptjavascriptnodejsdevelopment