No perfect code or system exists. Ask any engineer and they’ll have a list of improvements for most any file they’ve ever touched. This list of negatives can weigh on people. “We need to fix it eventually” or bad things will happen. Like any source of anxiety, the

This took me too long to figure out. I hope it helps you. Here’s the best way I’ve found to get GitHub Packages working with a Netlify build. 1. Add this file to your repo. I put it at .npmrc-netlify in the root of the project. This keeps

If you don’t have one already, install one and start using it. * Set a LONG history (mine is 3 months). * Now every code snippet you ever copy is in an easily searchable database so you can pull it back up whenever you need it. I personally use Paste and

You probably saw this video and are wondering: “After all this time, do you still use vim?”. Yes, I do. And I still love it. My setup also hasn’t changed that much. I still use Vim + iTerm2 for almost all of my work. My dotfiles are still public if

For years I’ve been noticing this pattern of infrastructure engineers I really respect preferring MySQL and product engineers preferring Postgres. It took quite a while for me to understand it. Especially coming from my background as a product engineer. Different types of engineers value different things Infrastructure engineers generally

Got a great question in Twitter DMs. How do you stay motivated on working with boring/non-hype tech? I’m always hyped about a new stack and can’t make progress building a SAAS. It’s hard out there. If you read twitter, hacker news, etc, there is always something

I’ve been working on Rails applications for over 10 years. In that time I’ve figured out some guidelines on when and when not to use caching. Years ago, I’d cache almost everything. When joining GitHub, I remember being shocked by how little caching was actually used for

Rails 7 has added the load_async method to ActiveRecord. This looks like it could be a huge performance win for many Rails applications. Normally, a Rails app will execute all of its queries serially (one after another). The execution of the request waits while the query is executed. With

I wrote a little CORS tester tool to make testing urls for CORS easier. Mostly I was interested in experimenting with Cloudflare workers more. The entire site is deployed as a Cloudflare worker and served by a single js file. It worked real nicely for a small site. For a

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Here’s how to deploy to Heroku using GitHub Actions. Without adding any new dependencies. First, you need a Heroku auth token. You can generate one on your machine using the following: heroku authorizations:create Copy the Token value and add it as a secret to your repository (Go to

If you’re using Gems published to GitHub Package Registry. source "https://rubygems.pkg.github.com/mscoutermarsh" do gem "omniauth-auth0", "2.1.0" end You need credentials to install them. An easy trick for doing this is using bundler’s built in environment variable support. Add the following config var

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How to do it In CloudFlare, setup your DNS entry to look like this: The key part is, leaving the “cloud” set to DNS only (only for setup, you can enable CDN after setup). Once you do that, click “Validate” in Azure and you’ll get that “Domain Ownership” box

Here is how I got NPM modules working with Cloudflare workers + Serverless. 1. Install webpack npm install --save-dev webpack 1. Add a webpack config. webpack.config.js module.exports = { target: 'webworker' }; 1. Add build to your package.json "build": "webpack yourFunctionFile.js", 1. Update your serverless.yml. functions: helloWorld: worker:

Key is: use the hightlightjs shim. Install it using yarn. yarn add highlightjs Inside one of your packs (or application.js), add: import hljs from 'highlightjs' hljs.initHighlightingOnLoad();

Quickly improve the effectiveness of your communication via Slack by making your messages actionable. Bad Hey, can you do me a favor? Better Hey, can you do me a favor? This user account is locked out. Best Hey, can you do me a favor? This user account is locked out

I’ve found myself googling this every couple months. So I’m posting an example here to save you and myself in the future. If you’re creating an API user with full access to only a SINGLE S3 bucket, this example policy will work for you. If you want

Text fields in Postgres are case sensitive. This is a problem when storing emails because coutermarsh.mike@gmail.com and Coutermarsh.Mike@Gmail.com are not equal. If you do any lookups by email address, you have a few options. 1. always use downcase on write 2. use a functional

Quick postgres tip. If you have a JSONB column named “options” and it has a key “favorite_color”. Here is an example on how you select the value from it: SELECT options->'favorite_color' FROM table_name; Filter by a jsonb value: SELECT COUNT(*) FROM table_name WHERE (options @> '{

In the past 3 years, we’ve gone through several iterations of how we host avatars on Product Hunt. There were a lot of mistakes. This is what I recommend doing if you’re adding avatars to your web app. Short version: 1. Upload the original image directly to S3.