Sane docker file optimized for quick rebuilds
Andrew Curioso
1 changed files with 56 additions and 0 deletions
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Dockerfile
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+FROM ubuntu |
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+# MAINTAINER Someone <someone@example.com> |
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+ |
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+# Update package list |
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+RUN apt-get update |
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+ |
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+# Set environmental variables |
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+ENV HOME /root |
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+ENV RBENV_ROOT $HOME/.rbenv |
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+ENV RUBY_VERSION 1.9.3-p545 |
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+ENV RUBYGEMS_VERSION 2.2.2 |
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+ENV PATH $HOME/.rbenv/shims:$HOME/.rbenv/bin:$RBENV_ROOT/versions/$RUBY_VERSION/bin:$PATH |
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+ |
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+# Install OS packages |
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+RUN apt-get install -y build-essential curl zlib1g-dev libreadline-dev libssl-dev libcurl4-openssl-dev git libmysqlclient-dev |
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+ |
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+RUN git clone https://github.com/sstephenson/rbenv.git $HOME/.rbenv |
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+RUN git clone https://github.com/sstephenson/ruby-build.git $HOME/.rbenv/plugins/ruby-build |
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+ |
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+# install & set global ruby version |
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+RUN rbenv install $RUBY_VERSION |
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+RUN rbenv global $RUBY_VERSION |
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+ |
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+WORKDIR /usr/local/src |
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+ |
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+RUN curl -O http://production.cf.rubygems.org/rubygems/rubygems-$RUBYGEMS_VERSION.tgz |
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+RUN tar -xvf rubygems-$RUBYGEMS_VERSION.tgz |
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+RUN cd rubygems-$RUBYGEMS_VERSION ; ruby setup.rb |
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+ |
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+RUN gem install bundle |
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+ |
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+RUN mkdir huginn |
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+WORKDIR huginn |
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+ |
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+# Add Gemfiles and run bundle ahead of time |
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+# This way bundle does not have to rerun unless the Gemfile changes |
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+# It drastically speeds up rebuilds |
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+ADD Gemfile /usr/local/src/huginn/ |
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+ADD Procfile /usr/local/src/huginn/ |
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+ADD Gemfile.lock /usr/local/src/huginn/ |
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+RUN bundle |
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+ |
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+# Now add the rest of the source |
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+ADD . /usr/local/src/huginn/ |
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+RUN rm -rf /usr/local/src/huginn/.env |
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+ |
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+# Add the environmental variables this way so that the -e option can override them |
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+ENV DATABASE_HOST db |
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+ENV DATABASE_NAME huginn |
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+ENV DATABASE_USERNAME huginn |
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+ |
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+# Expose the Rails port to the rest of the world |
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+EXPOSE 3000 |
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+ |
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+# Default command - optimized for upgradability |
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+CMD ["foreman", "start"] |