Docker で Ruby 開発環境

Dockerfile 作成

$ mkdir test
$ cd test
$ vim Dockerfile

Dockerfile

FROM polleverywhere/rbenv

ENV RUBY_VERSION 2.1.3

RUN apt-get update -q \
  && apt-get -q -y install autoconf bison build-essential libssl-dev libyaml-dev libreadline6-dev zlib1g-dev libmysqlclient-dev mysql-client \
  && rbenv install $RUBY_VERSION \
  && rbenv global $RUBY_VERSION \
  && apt-get purge -y -q autoconf bison build-essential libssl-dev zlib1g-dev \
  && apt-get autoremove -y \
  && rm -rf /var/lib/apt/lists

RUN gem install --no-ri --no-rdoc bundler
RUN rbenv rehash

イメージのビルド

$ docker build -t y-okubo/rails-server:latest .

コンテナの作成と実行

$ docker run --name mywebapp  -v /Users/y-okubo:/y-okubo --link mydb:mysql -p 8080:80 -it y-okubo/rails-server