Dockerfile

#!/usr/bin/env docker build --build-arg VERSION=5.6 -t omnetpp/omnetpp-gui:u18.04-5.6 .
FROM omnetpp/omnetpp-base:u18.04 as base
RUN apt-get update -y && apt install -y --no-install-recommends \
    qt5-default libqt5opengl5-dev libgtk-3-0 libwebkitgtk-3.0-0 default-jre osgearth \
    libeigen3-dev cmake g++ gdb gpg-agent software-properties-common && \
    wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add - && \
    apt-add-repository "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-12 main" && \
    apt install clang-format-12 clang-tidy-12 lldb-12 -y && \
    ln -s /usr/bin/clang-format-12 /usr/bin/clang-format && \
    ln -s /usr/bin/clang-tidy-12 /usr/bin/clang-tidy && \
    ln -sf /usr/bin/clang-12 /usr/bin/clang && \
    ln -sf /usr/bin/clang++-12 /usr/bin/clang++


# first stage - build OMNeT++ with GUI
FROM base as builder

ARG VERSION
WORKDIR /root
RUN wget https://github.com/omnetpp/omnetpp/releases/download/omnetpp-$VERSION/omnetpp-$VERSION-src-linux.tgz \
         --referer=https://omnetpp.org/ -O omnetpp-src-linux.tgz --progress=dot:giga && \
         tar xf omnetpp-src-linux.tgz && rm omnetpp-src-linux.tgz
RUN mv omnetpp-$VERSION omnetpp
WORKDIR /root/omnetpp
ENV PATH /root/omnetpp/bin:$PATH
# remove unused files and build
RUN ./configure WITH_OSG=no && \
    make -j $(nproc) MODE=debug base && \
    make -j $(nproc) MODE=release base && \
    rm -r doc out test samples config.log config.status

# second stage - copy only the final binaries (to get rid of the 'out' folder and reduce the image size)
FROM base
ARG VERSION
RUN mkdir -p /root/omnetpp
WORKDIR /root/omnetpp
COPY --from=builder /root/omnetpp/ .
ENV PATH /root/omnetpp/bin:$PATH
RUN chmod 775 /root/ && \
    mkdir -p /root/quisp && \
    chmod 775 /root/quisp && \
    touch ide/error.log && chmod 666 ide/error.log && \
    mv bin/omnetpp bin/omnetpp.bak && \
    sed 's!$IDEDIR/../samples!/root/quisp!' bin/omnetpp.bak >bin/omnetpp && \
    rm bin/omnetpp.bak && chmod +x bin/omnetpp

# Google test need HACK
ARG GTEST_VERSION
RUN mkdir -p /root/clibrary
WORKDIR /root/clibrary
RUN chmod 755 /root/clibrary && \
    wget https://github.com/google/googletest/archive/release-${GTEST_VERSION}.tar.gz -O gtest.tar.gz --progress=bar &&\
    tar -zxvf gtest.tar.gz &&\
    rm gtest.tar.gz &&\
    mv /root/clibrary/googletest-release-${GTEST_VERSION} /root/clibrary/googletest &&\
    chmod 755 /root/clibrary/googletest &&\
    cd /root/clibrary/googletest &&\
    mkdir build && chmod 755 build &&\
    cd /root/clibrary/googletest/build &&\
    cmake .. -DBUILD_SHARED_LIBS=0 &&\
    make
ENV GTEST_ROOT /root/clibrary/googletest/build/googletest/:$PATH
RUN echo 'PS1="quisp:\w\$ "' >> /root/.bashrc && chmod +x /root/.bashrc && \
    touch /root/.hushlogin
ENV HOME=/root/
CMD /bin/bash --init-file /root/.bashrc
WORKDIR /root/quisp