# ── Javascript ──────────────────────────────────────────────────────────

FROM docker.io/oven/bun:1 AS bun
WORKDIR /usr/src/app

# install dependencies into temp directory
# this will cache them and speed up future builds
FROM bun AS js-deps
COPY package.json bun.lock /temp/dev/
RUN cd /temp/dev && bun install --frozen-lockfile

# copy node_modules from temp directory
# then copy all (non-ignored) project files into the image
FROM bun AS js-bundler
COPY --from=js-deps /temp/dev/node_modules node_modules
COPY frontend frontend
COPY .devfiles/scripts/build-frontend.ts .devfiles/scripts/build-frontend.ts

ENV NODE_ENV=production
RUN bun ./.devfiles/scripts/build-frontend.ts

# ── Rust ────────────────────────────────────────────────────────────────

FROM rust:slim AS builder

WORKDIR /app

# Create appuser in builder as the scratch image can't do it
RUN adduser \
  --disabled-password \
  --gecos "" \
  --home "/nonexistent" \
  --shell "/sbin/nologin" \
  --no-create-home \
  --uid 10001 \
  appuser

COPY --from=js-bundler /usr/src/app/dist dist

COPY . .

RUN --mount=type=cache,target=/app/target/ \
  --mount=type=cache,target=/usr/local/cargo/git/db \
  --mount=type=cache,target=/usr/local/cargo/registry/ \
  cargo build --locked --release \
  && mv target/release/compendium /tmp/compendium

FROM gcr.io/distroless/cc AS runner

COPY --from=builder /etc/passwd /etc/passwd
COPY --from=builder /etc/group /etc/group

ENV RUST_LOG="compendium=debug,info"

WORKDIR /app

COPY --from=builder --chown=appuser:appuser /tmp/compendium /app/compendium 

EXPOSE 3000

USER appuser:appuser

CMD ["/app/compendium"]