foodsoft/doc/SETUP_DEVELOPMENT_DOCKER.md

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# Foodsoft on Docker
This document explains setting up Foodsoft with Docker for development.
system. Another option is to run it [within an existing system](SETUP_DEVELOPMENT.md).
If instead you just want to run Foodsoft without changing its code, please refer to
[hosting](https://foodcoops.github.io/foodsoft-hosting/) or
[deployment](https://github.com/foodcoops/foodsoft/wiki/Deployment-notes).
## 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!
## Prerequisites (Windows only)
To avoid line-ending issues with shell scripts, make sure to configure
Git autocrlf to keep linux line endings via
git config --local core.autocrlf input
Don't forget to do a clean checkout (delete everything except `.git` directory)
afterwards.
## Setup
Then setup foodsoft development (this will take some time, containers needs
to be pulled from docker registry and a lot dependencies needs to be installed)
docker-compose -f docker-compose-dev.yml run --rm foodsoft \
bundle exec rake foodsoft:setup_development
Do not enable mailcatcher, because this is already included as a docker image.
Then create an initial database (here seeded with `small.en`) by running
docker-compose -f docker-compose-dev.yml up -d mariadb && sleep 15
docker-compose -f docker-compose-dev.yml run --rm foodsoft \
bundle exec rake db:create db:schema:load db:seed:small.en
To avoid having to pass the `-f` argument all the time, it is recommended to setup
an alias, e.g. by adding the following line to your ~/.bashrc
alias docker-compose-dev='docker-compose -f docker-compose-dev.yml'
then reload it by executing `. ~/.bashrc`. Following commands assume this is setup.
## Usage
Start containers (in foreground, stop them with `Ctrl-C`)
docker-compose-dev up
Run a rails/rake command
docker-compose-dev run --rm foodsoft bundle exec rake db:migrate
Open a rails console
docker-compose-dev run --rm foodsoft bundle exec rails c
Setup the test database
docker-compose-dev run --rm foodsoft bundle exec rake db:setup RAILS_ENV=test DATABASE_URL=mysql2://root:secret@mariadb/test?encoding=utf8
Run the tests
docker-compose-dev run --rm foodsoft ./bin/test
Jump in a running container for debugging.
docker exec -ti foodsoft_foodsoft_1 bash
## Notes
### Receiving mails
Go to [http://localhost:1080](http://localhost:1080)
### Gemfile updates
As the gem bundle is stored in a volume, you can run
docker-compose-dev run --rm foodsoft bundle install
docker-compose-dev restart foodsoft foodsoft_worker
Do this each time you update your `Gemfile`.
### Database configuration
To make this easier we use the environment variable `DATABASE_URL`
(and `TEST_DATABASE_URL` when using the testing script).