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Reorganize Dockerfile-standalone to do the fetch and build of

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OpenSimulator in one layer step. This reduced the size of
   the resulting layer by 100s of megabytes.
This commit is contained in:
Robert Adams
2019-11-25 04:48:04 -08:00
parent cb64bb7242
commit 34d6ec7e14
1 changed files with 25 additions and 32 deletions
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opensim-standalone/Dockerfile-standalone
+25 -32
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@@ -20,53 +20,46 @@ RUN apt-get update \
sqlite \
&& rm -rf /var/lib/apt/lists/*
# Scripts that keep OpenSimulator running, make crash reports, clean up log files, etc
COPY scripts/* /home/opensim/
COPY vimrc /home/opensim/.vimrc
# The simulator is run under the user name 'opensim'
# (From https://stackoverflow.com/questions/27701930/add-user-to-docker-container)
RUN adduser --disabled-password --gecos 'OpenSimulator user' opensim
# Fetch the latest version of the OpenSimulator sources.
USER opensim:opensim
# Scripts that keep OpenSimulator running, make crash reports, clean up log files, etc
COPY --chown=opensim:opensim scripts/* /home/opensim/
COPY --chown=opensim:opensim vimrc /home/opensim/.vimrc
# Fetch and build the latest version of the OpenSimulator sources.
# THis includes a lot of steps so we can delete the sources and git files
# to make the resulting layer small.
RUN cd /home/opensim \
&& git clone git://opensimulator.org/git/opensim \
&& cp $OPENSIMDIR/bin/OpenSim.ini.example $OPENSIMDIR/bin/OpenSim.ini
&& rm -rf $OPENSIMDIR/.git \
&& cd $OPENSIMDIR \
&& ./runprebuild.sh \
&& msbuild \
&& cd $OPENSIMDIR \
&& rm -rf OpenSim
# OpenSim.ini does an include of "config-include/Standalone.ini".
# so copy an empty version to nullfy the default configuration.
COPY config-include/ $OPENSIMDIR/bin/config-include/
COPY --chown=opensim:opensim config-include/ $OPENSIMDIR/bin/config-include/
# Copy over any extra configuration files we're including
RUN mkdir -p $OPENSIMDIR/bin/config
COPY config/ $OPENSIMDIR/bin/config/
COPY --chown=opensim:opensim config/ $OPENSIMDIR/bin/config/
# Use the default, included configuration parameters
RUN cp $OPENSIMDIR/bin/OpenSim.ini.example $OPENSIMDIR/bin/OpenSim.ini
# Build OpenSimulator
RUN cd $OPENSIMDIR \
&& ./runprebuild.sh \
&& msbuild
# ============================================================================
# 'slim' doesn't run OpenSimulator so it can't be used
# FROM mono:5-slim
FROM mono:5
# Remove sources that are not needed for running
RUN cd $OPENSIMDIR \
&& rm -rf OpenSim
ENV OPENSIMDIR=/home/opensim/opensim
# Include required packages ('coreutils git vim' included for debugging)
RUN apt-get update \
&& apt-get install -y \
coreutils git vim \
procps \
screen \
ccrypt \
cron \
mysql-client \
sqlite \
&& rm -rf /var/lib/apt/lists/*
# The simulator is run under the user name 'opensim'
# (From https://stackoverflow.com/questions/27701930/add-user-to-docker-container)
RUN adduser --disabled-password --gecos 'OpenSimulator user' opensim
COPY --from=built --chown=opensim:opensim /home/opensim/ /home/opensim
USER opensim:opensim
WORKDIR $OPENSIMDIR/bin
ENTRYPOINT [ "/home/opensim/bootOpenSim.sh" ]