[WIP] Chainlink image builder

scripts/build/chainlink.Dockerfile

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+##
+# Build image: Chainlink binary with plugins for testing purposes only.
+# XXX: Experimental -- not to be used to build images for production use.
+# See: ../core/chainlink.Dockerfile for the production Dockerfile.
+##
+FROM golang:1.24-bullseye AS buildgo
+RUN go version
+RUN apt-get update && apt-get install -y jq && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /chainlink
+
+COPY GNUmakefile package.json ./
+COPY tools/bin/ldflags ./tools/bin/
+
+ADD go.mod go.sum ./
+RUN --mount=type=cache,target=/go/pkg/mod \
+    go mod download
+COPY . .
+
+# Install Delve for debugging with cache mounts
+RUN --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    go install github.com/go-delve/delve/cmd/[email protected]
+
+# Flag to control installation of private plugins (default: false).
+ARG CL_INSTALL_PRIVATE_PLUGINS=false
+# Flag to control installation of testing plugins (default: false).
+ARG CL_INSTALL_TESTING_PLUGINS=false
+# Flags for Go Delve debugger
+ARG GO_GCFLAGS
+# Env vars needed for chainlink build
+ARG COMMIT_SHA
+
+ENV CL_LOOPINSTALL_OUTPUT_DIR=/tmp/loopinstall-output
+RUN --mount=type=secret,id=GIT_AUTH_TOKEN \
+    --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    ./plugins/scripts/setup_git_auth.sh && \
+    mkdir -p /gobins && mkdir -p "${CL_LOOPINSTALL_OUTPUT_DIR}" && \
+    GOBIN=/go/bin make install-loopinstall && \
+    GOBIN=/gobins CL_LOOPINSTALL_OUTPUT_DIR=${CL_LOOPINSTALL_OUTPUT_DIR} make install-plugins-local install-plugins-public && \
+    if [ "${CL_INSTALL_PRIVATE_PLUGINS}" = "true" ]; then \
+        GOBIN=/gobins CL_LOOPINSTALL_OUTPUT_DIR=${CL_LOOPINSTALL_OUTPUT_DIR} make install-plugins-private; \
+    fi && \
+    if [ "${CL_INSTALL_TESTING_PLUGINS}" = "true" ]; then \
+        GOBIN=/gobins CL_LOOPINSTALL_OUTPUT_DIR=${CL_LOOPINSTALL_OUTPUT_DIR} make install-plugins-testing; \
+    fi
+
+# Copy any shared libraries.
+RUN --mount=type=cache,target=/go/pkg/mod \
+    mkdir -p /tmp/lib && \
+    ./plugins/scripts/copy_loopinstall_libs.sh \
+    "$CL_LOOPINSTALL_OUTPUT_DIR" \
+    /tmp/lib
+
+# Build chainlink.
+RUN --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    GOBIN=/gobins make GO_GCFLAGS="${GO_GCFLAGS}" install-chainlink
+
+##
+# Final Image
+##
+FROM ubuntu:24.04
+
+ARG CHAINLINK_USER=root
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && apt-get install -y ca-certificates gnupg lsb-release curl && rm -rf /var/lib/apt/lists/*
+
+# Install Postgres for CLI tools, needed specifically for DB backups
+RUN curl https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add - \
+  && echo "deb http://apt.postgresql.org/pub/repos/apt/ `lsb_release -cs`-pgdg main" |tee /etc/apt/sources.list.d/pgdg.list \
+  && apt-get update && apt-get install -y postgresql-client-16 \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN if [ ${CHAINLINK_USER} != root ]; then useradd --uid 14933 --create-home ${CHAINLINK_USER}; fi
+USER ${CHAINLINK_USER}
+
+# Copy Delve debugger from build stage.
+COPY --from=buildgo /go/bin/dlv /usr/local/bin/dlv
+
+# Set plugin environment variable configuration.
+ENV CL_MEDIAN_CMD=chainlink-feeds
+ARG CL_SOLANA_CMD=chainlink-solana
+ENV CL_SOLANA_CMD=${CL_SOLANA_CMD}
+# Experimental environment variables:
+ENV CL_EVM_CMD=chainlink-evm
+ENV CL_MERCURY_CMD=chainlink-mercury
+
+# CCIP specific
+COPY ./cci[p]/confi[g] /ccip-config
+ARG CL_CHAIN_DEFAULTS
+ENV CL_CHAIN_DEFAULTS=${CL_CHAIN_DEFAULTS}
+
+# Copy the binaries from the build stage (plugins + chainlink).
+COPY --from=buildgo /gobins/ /usr/local/bin/
+# Copy shared libraries from the build stage.
+COPY --from=buildgo /tmp/lib /usr/lib/
+
+WORKDIR /home/${CHAINLINK_USER}
+
+# Explicitly set the cache dir. Needed so both root and non-root user has an explicit location.
+ENV XDG_CACHE_HOME=/home/${CHAINLINK_USER}/.cache
+RUN mkdir -p ${XDG_CACHE_HOME}
+
+EXPOSE 6688
+ENTRYPOINT ["chainlink"]
+HEALTHCHECK CMD curl -f http://localhost:6688/health || exit 1
+CMD ["local", "node"]