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App & Test container Dockerfile
FROM "<bases image>":"<version>"
WORKDIR "<path>"
# install packages required to run app and tests
RUN apt-get update && apt-get install -y \
"<app runtime> and <dependencies>" \ # add app runtime and required packages
"<test tools> and <dependencies>" \ # add testing tools and required packages
&& rm -rf /var/lib/apt/lists/*
# copy app files
COPY app app
COPY run.sh run.sh
# copy test scripts
COPY tests tests
# copy "main" test command
COPY test.sh test.sh
# ... EXPOSE, RUN, ADD ... for app and test environment
# main app command
CMD [run.sh, "<app arguments>"]
# it's not possible to have multiple CMD commands, but this is the "main" test command
# CMD [/test.sh, "<test arguments>"]
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