Create a rails app and run it along with a mysql container using fig

figgypudding.sh

#!/bin/bash
set -ex

# Source the boot2docker environment variables
eval $(boot2docker shellinit 2>/dev/null)

# Use a rails container to create a new rails project in the current directory called figgypudding
docker run -it --rm -v $(pwd):/app rails:latest bash -c 'rails new figgypudding; cp -a /figgypudding /app'

cd figgypudding

# Create the Dockerfile used to build the figgypudding_web:latest image used by the figgypudding_web_1 container
cat <<EOD > Dockerfile
FROM rails:onbuild
ENV HOME /usr/src/app
EOD

# This is the Fig orchestration configuration
cat <<EOF > fig.yml
mysql:
  environment:
    MYSQL_ROOT_PASSWORD: supersecret
    MYSQL_DATABASE: figgydata
    MYSQL_USER: figgyuser
    MYSQL_PASSWORD: password
  ports:
    - "3306:3306"
  image: mysql:latest
figgypudding:
  environment:
    RAILS_ENV: development
    DATABASE_URL: mysql2://figgyuser:password@172.17.42.1:3306/figgydata
  links:
    - mysql
  ports:
    - "3000:3000"
  build: .
  command: bash -xc 'bundle exec rake db:migrate && bundle exec rails server'
EOF

# Rails defaults to sqlite, convert it to use mysql
sed -i -e 's/sqlite3/mysql2/' Gemfile

# Update the Gemfile.lock using the rails container we referenced earlier
docker run --rm -v $(pwd):/usr/src/app -w /usr/src/app rails:latest bundle update

# Use the fig command from my fig-docker container to fire up the Fig formation
docker run -v $(pwd):/app -v $DOCKER_CERT_PATH:/certs -e DOCKER_CERT_PATH=/certs -e DOCKER_HOST=$DOCKER_HOST -e DOCKER_TLS_VERIFY=$DOCKER_TLS_VERIFY -ti --rm ianblenke/fig-docker fig up