Dockerfile

ARG METABASE_VERSION=v0.44.6

FROM clojure:openjdk-11-tools-deps-slim-buster AS stg_base

# Reequirements for building the driver
RUN apt-get update && \
    apt-get install -y \
    curl \
    make \
    unzip \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Set our base workdir
WORKDIR /build

# We need to retrieve metabase source
# Due to how ARG and FROM interact, we need to re-use the same ARG
# Ref: https://docs.docker.com/engine/reference/builder/#understand-how-arg-and-from-interact
ARG METABASE_VERSION
RUN curl -Lo - https://github.com/metabase/metabase/archive/refs/tags/${METABASE_VERSION}.tar.gz | tar -xz \
    && mv metabase-* metabase

# Driver source goes inside metabase source so we can use their build scripts
WORKDIR /build/driver

# Fetch our Athena JDBC driver
COPY Makefile ./
RUN make download-jar

# Copy our project assets over
COPY deps.edn ./
COPY src/ ./src
COPY resources/ ./resources

# Then prep our Metabase dependencies
# We need to build java deps and then spark-sql deps
# Ref: https://github.com/metabase/metabase/wiki/Migrating-from-Leiningen-to-tools.deps#preparing-dependencies
WORKDIR /build/metabase
RUN --mount=type=cache,target=/root/.m2/repository \
    clojure -X:deps prep

WORKDIR /build/metabase/modules/drivers
RUN --mount=type=cache,target=/root/.m2/repository \
    clojure -X:deps prep
WORKDIR /build/driver

# Test stage
FROM stg_base as stg_test
COPY test_unit/ ./test_unit
RUN clojure -X:test:deps prep
# Some dependencies still get downloaded when the command below is run, but I'm not sure why
CMD ["clojure", "-X:test"]

# Now build the driver
FROM stg_base as stg_build
RUN --mount=type=cache,target=/root/.m2/repository \
    clojure -X:dev:build

# We create an export stage to make it easy to export the driver
FROM scratch as stg_export
COPY --from=stg_build /build/driver/target/athena.metabase-driver.jar /

# Now we can run Metabase with our built driver
FROM metabase/metabase:${METABASE_VERSION} AS stg_runner

# A metabase user/group is manually added in https://github.com/metabase/metabase/blob/master/bin/docker/run_metabase.sh
# Make the UID and GID match
COPY --chown=2000:2000 --from=stg_build \
    /build/driver/target/athena.metabase-driver.jar \
    /plugins/athena.metabase-driver.jar