Docker

docker-compose.yml

web:
  build: .
  command: bin/rails server --port 3000 --binding 0.0.0.0
  ports:
   - "5000:5000"
  volumes:
   - .:/code
  links:
   - db
db:
  image: wnameless/oracle-xe-11g
  ports:
    - "49160:22"
    - "49161:1521"

Dockerfile

FROM ruby:2.2.1

RUN apt-get update -qq && apt-get install -y build-essential
RUN apt-get install -y libxml2-dev libxslt1-dev
RUN apt-get install -y libqt4-webkit libqt4-dev xvfb
RUN apt-get install -y nodejs
ENV APP_HOME /code
RUN mkdir $APP_HOME
WORKDIR $APP_HOME
ADD Gemfile* $APP_HOME/
RUN bundle install
ADD . $APP_HOME