author Jake Morrison

Spinning up a server is easy enough, just go to Digital Ocean and push a button. But now you are responsible for your server. What does that mean?

author Jake Morrison

The goal of benchmarking is to understand the performance of our system and how to improve it. When we are making benchmarks, we need to make sure that they match real world usage.

In my post on Benchmarking Phoenix on Digital Ocean, changing the concurrent connections and network latency had …

author Jake Morrison

The security principle of "least privilege" means that apps should only have the permissions that they need to do their job, nothing more. If an attacker compromises your app, then they can't do anything outside of what the app would normally do. They may be able to break the application …

author Jake Morrison

If you want to try out the new features in Erlang 21 before it's released, you will have to build it yourself, as there is no package available. Same thing if you want to run a patch release or configure Erlang with special options.

The ASDF version manager lets you …

author Jake Morrison

This is a gentle introduction to getting your Phoenix app up and running on a $5/month server at Digital Ocean. It starts from zero, assuming minimal experience with servers.

author Jake Morrison

I have been using Linux since 1993, so I will give a bit of a history lesson to explain the motivation behind the popular distributions. There are two main families, RedHat and Debian. RedHat traditionally comes from the corporate world, and Debian from the free software community.

author Jake Morrison

Just for fun, I decided to benchmark the performance of the elixir deploy template running on a $5/month Digital Ocean Droplet.

Following Saša Jurić's post, I set up wrk on my Mac and on some Digital Ocean instances in the same data center.

I made a simple request function …

author Jake Morrison

It's popular these days to use hosted applications instead of running your own infrastructure. It's frustrating as a customer, though, when the pricing model is not sophisticated enough to match your actual usage.

In a SaaS product, your pricing should scale with the value the customer gets from the product …

author Jake Morrison

GenServers are the standard way to create services in Elixir. At it's heart, a GenServer is a separate process (thread) that receives messages, does some work, manages state, and sends responses back. If that's what you want, great. It's important to recognize, though, that a GenServer only handles one request …

author Jake Morrison

Figuring out how to deploy your Elixir app can be confusing, as it's a bit different from other languages. This post describes how we deploy apps with the reasons behind our decisions.

We have created a working example template which puts all the pieces together to get you started quickly …