Tag: docker

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WordPress 5 in Docker with Nginx and LetsEncrypt

TL;DR If you are comfortable with Docker and Docker Compose, you can go straight to the GitHub repo and get started.  For the everyone else, read on…

WordPress + Docker = <3

When I stood up this website, I wanted to do so in Docker, but I ran into an issue: the official WordPress Docker image runs Apache.  Apache is a nice webserver for small amounts of traffic, but it does not scale well.  As more concurrent connections come into a server running Apache, more copies of the httpd process are forked, which causes RAM usage to go up.  Having RAM usage regularly go up and down  is not ideal.

Fortunately, there is a better way.  The Nginx webserver, combined with PHP running in FPM mode scales much better as the memory usage is more constant, which means that peak loads on the server won’t cause you to thrash the swapfile.  Encryption would also be nice, so I wanted to have some SSL going as well.

I couldn’t find any existing solutions, so I built one!  In this post, I’m going to walk through each piece of the puzzle.

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Dockerizing Discord’s Music Bot in Amazon ECS

I’m a big fan of the Discord Musicbot, and run it on some Discord servers that I admin. Wanting to run it on a server, I first created an Ansible playbook and launched a server on Digital Ocean. But after a few months, I noticed that the server was sitting over 90% idle. Surely there had to be a better way.

So I next tried Docker, and created a Dockerized version of the Musicbot. I was quite happy with how much easier it was to spin up the bot, but still didn’t want to run it on a dedicated server on Digital Ocean. Aside from having unused capacity, if that machine were to go down, I’d have to do something manually.

I thought about running it in some sort of hosted Docker cluster, and came across Amazon’s container service. So this post is about creating your own cluster in ECS and hosting a Docker container in it. I found the process slightly confusing when I did it the first time, and wanted to share my experience here.

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