Dockerfile

FROM rust:1.81 as build-stage


WORKDIR /vaalikoppi

ARG DATABASE_URL
ARG DEBUG

RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
    --mount=type=cache,target=/var/lib/apt,sharing=locked \
    apt-get update && apt-get install musl-tools -y

RUN rustup target add x86_64-unknown-linux-musl
RUN USER=root cargo new --bin vaalikoppi && \
    cargo install sqlx-cli@0.7.3 --locked --no-default-features --features native-tls,postgres && cargo install rsass-cli@0.28.8 --locked

COPY . .

RUN sqlx migrate run
RUN rsass src/static/scss/main.scss --style compressed > src/static/css/main.css

RUN \
    --mount=type=cache,target=/usr/local/cargo/registry/index/,from=rust:1.81 \
    --mount=type=cache,target=/usr/local/cargo/registry/cache/,from=rust:1.81 \
    --mount=type=cache,target=/usr/local/cargo/git/db/,from=rust:1.81 \
    --mount=type=cache,target=./target/,from=rust:1.81 \
    if [ $DEBUG ]; then \
        # Debug for faster build times for running e2e test
        echo "Warning: building DEBUG build with performance inferior to release build"; \
        cargo build --target x86_64-unknown-linux-musl && cp target/x86_64-unknown-linux-musl/debug/vaalikoppi output_binary; \
    else \
        # Release build for performance in prod
        cargo build --release --target x86_64-unknown-linux-musl && cp target/x86_64-unknown-linux-musl/release/vaalikoppi output_binary; \
    fi


FROM scratch

WORKDIR /vaalikoppi

COPY --from=build-stage /vaalikoppi/output_binary /vaalikoppi/output_binary
COPY --from=build-stage /vaalikoppi/src/static /vaalikoppi/src/static
ENTRYPOINT ["/vaalikoppi/output_binary"]