Dockerized Ruby on Rails

This project was bootstrapped with Ruby on Rails and powered by Docker and Docker compose. It's a dockerized base project of RoR used to start easily new project quickly with this stack, made by Théo Dalleau @Shirikumo.

Installation

Prerecquisites

• Install Docker
• Install Docker Compose

Install & Initialize :

docker-compose pull
docker-compose build
docker-compose run --rm web bundle install
(now you should name your db in `/config/database.yml` or the db's name will be 'rails_<env>')
docker-compose run --rm web rake db:create RAILS_ENV=development
docker-compose down

Project

URL : localhost:3000

Run the project with docker-compose up will open every containers.

Run docker-compose up <container name> to run single container with its depending containers.

Stop and remove container with docker-compose down.

Since the project is powered by docker compose, you'll run command into containers via docker-compose exec/run <container name> command. For more informations about containers you should take a look to ./docker-compose.yml

By default database credentials are : user : postgres password : pass

Options

You can add the following options after docker-compose up :

• background -d to execute containers in background.

• scale container --scale web=<n> with n = number of web container you want to run.

Available Commands

Run bundle install after adding gem docker-compose run web bundle install

Open rails console with docker-compose exec web rails c

Open a bash in a container docker-compose run <container_name> bash

Create database docker-compose run web rake db:create

Migrate database docker-compose run web rake db:migrate

Delete database docker-compose run web rake db:drop

Restore database cat <dump> | docker exec -i db psql -U <database_user> -Fc <database_name>

Troubleshooting

Since we use docker here, depending on your system the files may have docker as owner. In that case then when you'll want to modify them you'll may get an permission error. Run sudo chown "$USER":"$USER" . -R at the root of the project and will be good.

When you'll add a new gem, make sur to rebuild the docker container (explained above) before run bundle install.

If you get a database error, verify on wich environment you are by setting the correct environment docker-compose run web rails db:environment:set RAILS_ENV=<environment_name>.

Notice

You should take a look at ./config/database.yml to change database config.

You should make several env files for each environment's credentials and globals.

Version

• Ruby (ruby 3.0.0) running on buster
• Rails 6.1.3.1, default port : 3000
• Postgres (13.2) Port : 5432