Dockerfile

# You can change these variables to use a different base image, but
# you must ensure that your base image inherits from one of ours.
# You can also override these at build time with --build-arg flags
ARG BASE_REPO=gradescope/autograder-base
ARG TAG=latest

FROM ${BASE_REPO}:${TAG}

ADD /source /autograder/source
RUN mkdir /autograder/submission /autograder/results
RUN cp /autograder/source/run_autograder /autograder/run_autograder

# Ensure that scripts are Unix-friendly and executable
RUN dos2unix /autograder/run_autograder /autograder/source/setup.sh
RUN chmod +x /autograder/run_autograder

# Do whatever setup was needed in setup.sh, including installing apt packages
# Cleans up the apt cache afterwards in the same step to keep the image small
RUN apt-get update && \
    bash /autograder/source/setup.sh && \
    apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

# You can also use RUN commands in the Dockerfile to install things
# instead of using a bash script

# The base image defines the CMD and ENTRYPOINT, so don't redefine those