content: FROM ubuntu:bionic as builder
  
  # Grab dependencies
  RUN apt update
  RUN apt dist-upgrade --yes
  RUN apt install --yes \
        curl \
        sudo \
        jq \
        squashfs-tools
  
  # Grab the core snap from the stable channel and unpack it in the proper place
  RUN curl -L $(curl -H 'X-Ubuntu-Series: 16' 'https://api.snapcraft.io/api/v1/snaps/details/core' | jq '.download_url' -r) --output core.snap
  RUN mkdir -p /snap/core
  RUN unsquashfs -d /snap/core/current core.snap
  
  # Grab the core18 snap from the stable channel and unpack it in the proper place
  RUN curl -L $(curl -H 'X-Ubuntu-Series: 16' 'https://api.snapcraft.io/api/v1/snaps/details/core18' | jq '.download_url' -r) --output core18.snap
  RUN mkdir -p /snap/core18
  RUN unsquashfs -d /snap/core18/current core18.snap
  
  # Grab the snapcraft snap from the stable channel and unpack it in the proper place
  # RUN curl -L $(curl -H 'X-Ubuntu-Series: 16' 'https://api.snapcraft.io/api/v1/snaps/details/snapcraft?channel=stable' | jq '.download_url' -r) --output snapcraft.snap # Used to be this but 'stable' broke
  RUN curl -L https://api.snapcraft.io/api/v1/snaps/download/vMTKRaLjnOJQetI78HjntT37VuoyssFE_6751.snap --output snapcraft.snap
  RUN mkdir -p /snap/snapcraft
  RUN unsquashfs -d /snap/snapcraft/current snapcraft.snap
  
  # Create a snapcraft runner
  RUN mkdir -p /snap/bin
  RUN echo "#!/bin/sh" > /snap/bin/snapcraft
  RUN snap_version="$(awk '/^version:/{print $2}' /snap/snapcraft/current/meta/snap.yaml)" && echo "export SNAP_VERSION=\"$snap_version\"" >> /snap/bin/snapcraft
  RUN echo 'exec "$SNAP/usr/bin/python3" "$SNAP/bin/snapcraft" "$@"' >> /snap/bin/snapcraft
  RUN chmod +x /snap/bin/snapcraft
  
  # Multi-stage build, only need the snaps from the builder. Copy them one at a
  # time so they can be cached.
  FROM ubuntu:bionic
  COPY --from=builder /snap/core /snap/core
  COPY --from=builder /snap/core18 /snap/core18
  COPY --from=builder /snap/snapcraft /snap/snapcraft
  COPY --from=builder /snap/bin/snapcraft /snap/bin/snapcraft
  
  # Generate locale
  RUN apt update && apt dist-upgrade --yes && apt install --yes sudo snapd locales && locale-gen en_US.UTF-8
  
  # Set the proper environment
  ENV LANG="en_US.UTF-8"
  ENV LANGUAGE="en_US:en"
  ENV LC_ALL="en_US.UTF-8"
  ENV PATH="/snap/bin:$PATH"
  ENV SNAP="/snap/snapcraft/current"
  ENV SNAP_NAME="snapcraft"
  ENV SNAP_ARCH="amd64"