ARG RUST_VERSION=1.73.0
FROM rust:${RUST_VERSION}-slim-bullseye AS build

RUN --mount=type=cache,target=/usr/local/cargo/registry \
    cargo install sqlx-cli --no-default-features --features rustls,sqlite && \
    cp /usr/local/cargo/bin/sqlx /bin/sqlx

ENV DATABASE_URL=sqlite:/var/p4bl0t.db

WORKDIR /app
RUN --mount=type=bind,source=src,target=src \
    --mount=type=bind,source=Cargo.toml,target=Cargo.toml \
    --mount=type=bind,source=Cargo.lock,target=Cargo.lock \
    --mount=type=bind,source=migrations,target=migrations \
    --mount=type=cache,target=/app/target/ \
    --mount=type=cache,target=/usr/local/cargo/registry \
    <<EOF
set -e
sqlx database create
sqlx migrate run
cargo install --locked --path .
EOF


FROM debian:bullseye-slim AS final

RUN apt-get update && apt-get install -qqy ca-certificates
ARG UID=10001
RUN adduser \
    --disabled-password \
    --gecos "" \
    --home "/nonexistent" \
    --shell "/sbin/nologin" \
    --no-create-home \
    --uid "${UID}" \
    appuser
USER appuser

ENV DATABASE_URL=sqlite:/var/p4bl0t.db
ENV DISCORD_TOKEN=changeme

COPY --from=build /usr/local/cargo/bin/p4bl0t /bin
COPY --chown=appuser --from=build /var/p4bl0t.db /var/p4bl0t.db

CMD [ "p4bl0t" ]