get.porter.sh/porter@v1.3.0/pkg/build/buildkit/testdata/custom-build-arg.Dockerfile (about)

     1  # syntax=docker/dockerfile-upstream:1.4.0
     2  FROM --platform=linux/amd64 debian:stable-slim
     3  
     4  # PORTER_INIT
     5  
     6  RUN rm -f /etc/apt/apt.conf.d/docker-clean; echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' > /etc/apt/apt.conf.d/keep-cache
     7  RUN --mount=type=cache,target=/var/cache/apt --mount=type=cache,target=/var/lib/apt \
     8      apt-get update && apt-get install -y ca-certificates
     9  
    10  # PORTER_MIXINS
    11  
    12  # Use the BUNDLE_DIR build argument to copy files into the bundle's working directory
    13  COPY --link . ${BUNDLE_DIR}
    14  
    15  ARG CUSTOM_BIG_LABEL
    16