FROM ubuntu:focal RUN apt-get update RUN apt-get --yes upgrade #tzdata is a dependency, won't install otherwise ARG DEBIAN_FRONTEND=noninteractive RUN apt-get --yes install gcc g++ cmake make lcov git valgrind nano iputils-ping RUN git clone https://github.com/catchorg/Catch2.git && \ cd Catch2 && \ git checkout v3.0.0-preview5 && \ cmake -Bbuild -H. -DBUILD_TESTING=OFF && \ cmake --build build/ --target install