Using LetsEncrypt to Switch a Phoenix App Deployed with Dokku to HTTPS

Praveen Perera

February 18, 2016

1 min read

dev-ops, elixir, phoenix, tutorials

Do you have a Phoenix application deployed using Dokku? Then you have can switch to using HTTPS in less than 5 minutes.

This is more of a Dokku post because this same process will probably work with any other application deployed with it. I’ve encrypted two Phoenix apps and this ghost blog using the same process.

Requirements: Dokku 0.4 or above

Instructions

  1. SSH into your VM and install the dokku-letsencrypt plugin: sudo dokku plugin:install https://github.com/dokku/dokku-letsencrypt.git

  2. Set up LetsEncrypt with your email: dokku letsencrypt:email myapp [email protected]

  3. Set Up SSL: dokku letsencrypt myapp

And thats it! Your container will restart and now your using HTTPS, how easy was that!