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DOCKER.md

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Using Docker to Develop TSP

This repository includes a Dockerfile and a set of docker-compose configuration examples in order to simplify the process of setting up a development environment.

Given that you have docker and docker-compose installed, the process should be pretty straighforward.

  1. Select a docker-compose configuration file from the docker/ directory and copy it as docker-compose.yml. For instance, to run the application using a PostgreSQL database:

     cp docker/docker-compose.development.postgresql docker-compose.yml

  2. Uncomment the gem for your favorite database driver from the Gemfile.

  3. Copy the database configuration from docker/ for your database. For instance, to use PostgreSQL:

     cp docker/database.postgresql.yml config/database.yml

  4. Build the image:

     docker-compose build

  5. Now you should be able to set up the database:

     docker-compose run --rm web rake db:setup

    When using the mysql container, this fifth step may require that you have started the database container some seconds in advance, since the official mysql and mariadb containers need some time to initialize the system.

     docker-compose up --detach db

  6. (Optional) Run the testsuite to find out whether the application works.

     docker-compose run --rm web xvfb-run -a rake spec

  7. And, now, you can start the application:

     docker-compose up

For now on, you will need to rebuild the image whenever you change the Gemfile or Gemfile.lock files.