Writing a Good Node.js Dockerfile

March 28, 2023

TL;DR: Tutorials often show simplistic, naive Dockerfiles. We can do better.

Docker CMD vs ENTRYPOINT

March 28, 2023

TL;DR: The simplest possible example to demonstrate the difference between Docker’s CMD and ENTRYPOINT instructions:

Cloudflare Workers Custom Link Forwarder

March 3, 2023

TL;DR: Setting up a custom link forwarder (e.g. links.devopsdirective.com/foo) takes about 3 minutes using Cloudflare workers!

Kubernetes Maintenance Page

October 30, 2022

TL;DR: Need to set up a quick maintenance page for a service hosted in Kubernetes? You can create a custom page and host it with nginx without even needing a custom container image!

A gist containing the full code can be found here: LINK

How to Manage Application Secrets (7 Levels of Credential Management)

November 11, 2020

TL;DR: If you develop web applications, inevitably you will have secrets (database credentials, 3rd party API keys, etc…) that you need to manage. I have seen a variety of approaches used here and wanted to walk through them, from least secure to most.

There are always trade-offs when writing software, and in this case, the tradeoff is between convenience and security. The ideal solution will establish convenient developer workflows while also protecting user data.

Static Site Hosting Using Google Cloud Storage and Cloudflare (with SSL!)

October 5, 2020

TL;DR: I used to host my site on a virtual machine running Caddy webserver, but recently migrated it to Google Cloud Storage with Cloudflare in front of it as a proxy/cache/SSL termination solution. It’s pretty awesome! 😎

I also recorded a video about this setup on YouTube. ← Check out the video and subscribe if you are into this sort of thing 🙏