Welcome to Docker Rails Demo

Rails, Docker and Webpacker is an awesome combination, for instance to develop React/Rails apps with. This demo app uses Rails 6, Webpacker and Docker. In development mode, it uses webpack-dev-server for live Javascript reloading. As database it uses PostgreSQL.

Read the blog post with background info about his repository at Running a Rails app with Webpacker and Docker

First, build the app for development purposes

docker-compose build

Create the database

docker-compose run web scripts/wait-for-it.sh db:5432 -- "rails db:create db:migrate"

Run the app in development mode

docker-compose up

Now open http://localhost:3000 and look at your Javascript console to see messages

Entering the web container

docker-compose exec web bash

Creating a new config/master.key and config/credentials.yml.enc

You will need these 2 files for the asset pipeline for the production build.

First enter the web container as highlighed above. Then run: run EDITOR=vim rails credentials:edit

exit and save via :wq

Build the app for production

docker build -t docker-rails-demo .

Released under the MIT License