# Copyright 2026 Sean Consulting OÜ
# SPDX-License-Identifier: Apache-2.0

ARG WDL_VERSION=dev
ARG VCS_REF=unknown
ARG BUILD_DATE=unknown

FROM rust:1-alpine AS rust-base
WORKDIR /src
# BuildKit is required for the cargo cache mounts below; compose/buildx paths
# already use it, and avoiding a syntax frontend keeps builds off Docker Hub.
ENV CARGO_HOME=/usr/local/cargo \
    CARGO_TARGET_DIR=/target

COPY rust/rust-toolchain.toml ./rust-toolchain.toml
COPY rust/Cargo.toml rust/Cargo.lock ./
COPY rust/common/Cargo.toml ./common/
COPY rust/redis-proxy/Cargo.toml ./redis-proxy/
COPY rust/scheduler/Cargo.toml ./scheduler/
COPY rust/workflows/Cargo.toml ./workflows/
COPY rust/supervisor/Cargo.toml ./supervisor/

FROM rust-base AS redis-proxy-build
COPY rust/common/src ./common/src
COPY rust/redis-proxy/src ./redis-proxy/src
RUN --mount=type=cache,target=/usr/local/cargo/registry,sharing=locked \
    --mount=type=cache,target=/usr/local/cargo/git,sharing=locked \
    --mount=type=cache,target=/target,sharing=locked \
    cargo build --release --locked -p redis-proxy \
    && cp /target/release/redis-proxy /redis-proxy

FROM rust-base AS scheduler-build
COPY rust/common/src ./common/src
COPY rust/scheduler/src ./scheduler/src
RUN --mount=type=cache,target=/usr/local/cargo/registry,sharing=locked \
    --mount=type=cache,target=/usr/local/cargo/git,sharing=locked \
    --mount=type=cache,target=/target,sharing=locked \
    cargo build --release --locked -p scheduler \
    && cp /target/release/scheduler /scheduler

FROM rust-base AS workflows-build
COPY rust/common/src ./common/src
COPY rust/workflows/src ./workflows/src
RUN --mount=type=cache,target=/usr/local/cargo/registry,sharing=locked \
    --mount=type=cache,target=/usr/local/cargo/git,sharing=locked \
    --mount=type=cache,target=/target,sharing=locked \
    cargo build --release --locked -p workflows \
    && cp /target/release/workflows /workflows

FROM scratch
ARG WDL_VERSION
ARG VCS_REF
ARG BUILD_DATE
LABEL org.opencontainers.image.title="WDL Rust services" \
      org.opencontainers.image.description="WDL redis-proxy, scheduler, and workflows service binaries" \
      org.opencontainers.image.url="https://wdl.dev" \
      org.opencontainers.image.source="https://github.com/wdl-dev/wdl" \
      org.opencontainers.image.documentation="https://wdl.md" \
      org.opencontainers.image.vendor="Sean Consulting OÜ" \
      org.opencontainers.image.authors="Sean Consulting OÜ" \
      org.opencontainers.image.licenses="Apache-2.0" \
      org.opencontainers.image.version="${WDL_VERSION}" \
      org.opencontainers.image.revision="${VCS_REF}" \
      org.opencontainers.image.created="${BUILD_DATE}"
COPY LICENSE /usr/share/licenses/wdl/LICENSE
COPY licenses/images/rust-NOTICE /usr/share/licenses/wdl/NOTICE
# The GitHub release workflow runs `npm run build:third-party-licenses`
# first; internal deployment builds may copy only the README placeholder.
COPY licenses/third-party/rust-services /usr/share/licenses/wdl/third-party/rust-services
COPY --from=redis-proxy-build /redis-proxy /redis-proxy
COPY --from=scheduler-build /scheduler /scheduler
COPY --from=workflows-build /workflows /workflows
CMD ["/redis-proxy"]