Dancer2_Dockerfile

FROM phusion/baseimage:0.9.16

CMD ["/sbin/my_init"]

#
# Apt
#

RUN apt-get -y update
RUN apt-get -y install \
 git \
 build-essential \
 libexpat1-dev \
 libxml2-dev \
 zlib1g-dev
RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

#
# Add user
#

RUN useradd -ms /bin/bash user
ENV HOME /home/user
USER user

#
# Set up plenv (and Carton and Starman)
#
# From https://github.com/tokuhirom/plenv:

RUN git clone git://github.com/tokuhirom/plenv.git ~/.plenv
RUN echo 'export PATH="$HOME/.plenv/bin:$PATH"' >> ~/.profile
RUN echo 'eval "$(plenv init -)"' >> ~/.profile
RUN git clone git://github.com/tokuhirom/Perl-Build.git ~/.plenv/plugins/perl-build/
RUN bash --login -c "plenv install 5.21.8 && plenv global 5.21.8 && plenv install-cpanm && plenv rehash && cpanm Carton Starman"

#
# Change workdir
#

RUN mkdir -p ~/app
WORKDIR /home/user/app

#
# Set up dancer
#

RUN echo 'requires "Dancer2";' > ~/app/cpanfile
RUN bash --login -c "cd ~/app && carton install && carton exec dancer2 gen --overwrite --application app --directory ."

#
# Expose and run
#

EXPOSE 8080
CMD bash --login -c "cd ~/app && carton exec starman --port 8080 bin/app.psgi"

# Tip: use scan-perl-prereqs to verify cpanfile