# syntax=docker/dockerfile:1
# Multi-stage production image for KCA (kaya backend + Sycamore/WASM frontend).
# The build context is the repository root (see ../docker-compose.yml).

# --- Frontend --------------------------------------------------------------
FROM rust:1-slim AS web-builder

ARG TRUNK_VERSION=0.21.14

RUN sed -i 's|http://deb.debian.org|https://deb.debian.org|g' \
        /etc/apt/sources.list.d/debian.sources 2>/dev/null || true \
 && apt-get update \
 && apt-get install -y --no-install-recommends curl ca-certificates \
 && rm -rf /var/lib/apt/lists/*

RUN curl -sSfL \
      "https://github.com/trunk-rs/trunk/releases/download/v${TRUNK_VERSION}/trunk-x86_64-unknown-linux-gnu.tar.gz" \
    | tar -xz -C /usr/local/bin \
 && rustup target add wasm32-unknown-unknown

WORKDIR /web
COPY web/Cargo.toml web/Cargo.lock ./
COPY web/index.html web/style.css web/theme.css web/Trunk.toml ./
COPY web/vendor ./vendor
COPY web/pwa ./pwa
COPY web/src ./src
RUN --mount=type=cache,target=/usr/local/cargo/registry \
    --mount=type=cache,target=/web/target \
    trunk build --release --public-url /static/

# --- Backend ---------------------------------------------------------------
FROM alpine:3.24 AS builder

COPY --from=ghcr.io/astral-sh/uv:0.13.1 /uv /uvx /bin/

RUN --mount=type=cache,target=/var/cache/apk \
    apk add python3 build-base python3-dev git
RUN git config --global --add safe.directory /repo

ENV UV_PYTHON_DOWNLOADS=0 \
    UV_PROJECT_ENVIRONMENT=/opt/venv \
    UV_LINK_MODE=copy

WORKDIR /repo/server
COPY server/uv.lock server/pyproject.toml ./
COPY server/packages/kca-core/pyproject.toml packages/kca-core/
COPY server/packages/kca-app/pyproject.toml packages/kca-app/
RUN --mount=type=cache,target=/root/.cache/uv \
    uv sync --frozen --no-install-workspace --package kca-app --no-dev

COPY server/packages/ ./packages/
RUN --mount=type=cache,target=/root/.cache/uv \
    uv sync --locked --no-editable --package kca-app --no-dev \
        --reinstall-package kca-core --reinstall-package kca-app

COPY server/migrations ./migrations

# --- Runtime ---------------------------------------------------------------
FROM alpine:3.24

RUN --mount=type=cache,target=/var/cache/apk \
    apk add python3 ca-certificates tzdata \
 && addgroup -S app && adduser -S -G app app

COPY --from=builder /opt/venv /opt/venv
COPY --from=builder /repo/server/migrations /app/migrations
COPY --from=builder /repo/server/pyproject.toml /app/pyproject.toml
COPY --from=web-builder /web/dist /app/web/dist

ENV PATH="/opt/venv/bin:$PATH" \
    PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    GRANIAN_HOST=0.0.0.0 \
    GRANIAN_PORT=8080 \
    GRANIAN_INTERFACE=rsgi \
    GRANIAN_STATIC_PATH_ROUTE="/static" \
    GRANIAN_STATIC_PATH_MOUNT="/app/web/dist" \
    GRANIAN_STATIC_PATH_DIR_TO_FILE=index.html \
    STATIC_DIR=/app/web/dist

USER app
EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=3s --start-period=10s \
  CMD wget -q -O- http://127.0.0.1:8080/api/health || exit 1

CMD ["granian", "kca.app:app"]