foodsoft/doc/SETUP_DOCKER.md

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# Foodsoft on Docker
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This document explains setting up and using Foodsoft with Docker.
## Requirements
* Docker (=> 1.9.1)
* Docker Compose (=> 1.4)
* Nothing more, no ruby, mysql, redis etc!
For installing instructions see https://docs.docker.com/installation/.
Docker runs on every modern linux kernel, but also with a little help on MacOS
and Windows!
## Setup
Create docker volume for mysql data:
mkdir -p ~/.docker-volumes/foodsoft/mysql
Setup foodsoft development data: (This will take some time, containers needs
to be pulled from docker registry and a lot dependencies needs to be installed.)
docker-compose run app rake foodsoft:setup_development
## Usage
Start containers (in foreground, stop them with `CTRL-C`)
docker-compose up
Run a rails/rake command
docker-compose run app rake db:migrate
Open a rails console
docker-compose run app rails c
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Setup the test database
docker-compose run app rake db:setup RAILS_ENV=test DATABASE_URL=mysql2://root:secret@mysql/test
Run the tests
docker-compose run app ./bin/test
Jump in a running container for debugging.
docker exec -ti foodsoft_app_1 bash
Receiving mails
Go to http://localhost:1080.
## Notes
### Gemfile updates
As we use a special container (`bundle`, see `docker-compose.yml`) you only
have to run the bundle command as normally: `docker-compose run app bundle`
### Database configuration
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To make this easier we use the environment variable `DATABASE_URL`
(and `TEST_DATABASE_URL` when using the testing script).