Dockerfile

FROM ruby:2.2.3-slim

# Basic parts
RUN apt-get update -qq && \
    apt-get install -y build-essential libpq-dev && \
    apt-get clean

# Install git
RUN apt-get install -y git && \
    apt-get clean

# Install sendmail
RUN bash -c 'debconf-set-selections <<< "postfix postfix/mailname string caitering.lol"' && \
    bash -c "debconf-set-selections <<< \"postfix postfix/main_mailer_type string 'Internet Site'\""

RUN echo "caitering.lol" > /etc/hostname && \
    apt-get install -y mailutils postfix && \
    apt-get clean
RUN echo 'inet_protocols = ipv4' >> /etc/postfix/main.cf && \
    service postfix restart

# JS runtime
RUN apt-get install -y curl && \
    apt-get clean
RUN curl -sL https://deb.nodesource.com/setup_0.12 | bash -
RUN apt-get install -y nodejs && \
    apt-get clean

# Supervisor
RUN apt-get install -y supervisor && \
    apt-get clean
COPY config/supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# App install
ENV APP_HOME /app/backend
RUN mkdir -p $APP_HOME
WORKDIR $APP_HOME

ADD Gemfile* $APP_HOME/
RUN bundle install --jobs=4

# Delete server pid if it was created when running localy
RUN test -f $APP_HOME/tmp/pids/server.pid && \
    rf $APP_HOME/tmp/pids/server.pid; \
    true
ADD . $APP_HOME
RUN chown -R 700 $APP_HOME

EXPOSE 3000
CMD ["/usr/bin/supervisord"]