Dockerfile

#################################################################
# This docker image build file creates an image that contains
# nginx, passenger, rvm with ruby on rails. It is intended for you
# to use as a base for your project. Or as a template for your dockerfile.
#
#                    ##        .
#              ## ## ##       ==
#           ## ## ## ##      ===
#       /""""""""""""""""\___/ ===
#  ~~~ {~~ ~~~~ ~~~ ~~~~ ~~ ~ /  ===- ~~~
#       \______ o          __/
#         \    \        __/
#          \____\______/
#
# Component:    docker-base
# Author:       peenuty <peenuty@gmail.com>
#################################################################

#####
# Building: sudo docker build -t peenuty/rails-passenger-nginx .

# Open it up: sudo docker run -t -i -p 80:80 bash -l

FROM ubuntu:12.04
MAINTAINER Richard Gill <richard@rgill.co.uk>

# reduce output from debconf
ENV DEBIAN_FRONTEND noninteractive
ENV PATH /usr/local/rvm/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

# Setup all needed dependencies
RUN echo "deb http://archive.ubuntu.com/ubuntu precise main universe" > /etc/apt/sources.list
RUN apt-get update
RUN apt-get -y upgrade
RUN apt-get -y install curl libcurl4-gnutls-dev git libxslt-dev libxml2-dev libpq-dev libffi-dev imagemagick

# Install rvm, ruby, rails, rubygems, passenger, nginx
ENV RUBY_VERSION 2.1.0
ENV RAILS_VERSION 4.0.0
ENV PASSENGER_VERSION 4.0.37

# All rvm commands need to be run as bash -l or they won't work.

RUN \curl -sSL https://get.rvm.io | bash -s stable --rails
RUN echo 'source /usr/local/rvm/scripts/rvm' >> /etc/bash.bashrc
RUN /bin/bash -l -c 'rvm requirements'
RUN /bin/bash -l -c 'rvm install $RUBY_VERSION && rvm use $RUBY_VERSION --default'
RUN /bin/bash -l -c 'rvm rubygems current'

RUN /bin/bash -l -c 'gem install passenger --version $PASSENGER_VERSION'
RUN /bin/bash -l -c 'passenger-install-nginx-module --auto-download --auto --prefix=/opt/nginx'

RUN /bin/bash -l -c 'gem install bundler'
RUN /bin/bash -l -c 'gem install rails --version=$RAILS_VERSION'

#You need a javascript runtime to run rails
RUN apt-get -y install nodejs

RUN mkdir -p /var/log/nginx/


# Just to make things safer. 
ENV RAILS_ENV development

# You'll need to override the default nginx.conf with you're own. 
# I've provided a sample in the github project.
#ADD local/path/to/nginx.conf /opt/nginx/conf/nginx.conf

# You'll obviously want to expose some ports.
#EXPOSE 22

#EXPOSE 80

#EXPOSE 443