Dockerfile.cloud

# ─── Stage 1: Build the React SPA ─────────────────────────────────────────────
# Output: build/client/ (static files only – ssr:false in react-router.config.ts)
FROM oven/bun:1.3.3 AS frontend-build

WORKDIR /build

# Install deps first for better layer caching
COPY frontend/package.json frontend/bun.lock ./
RUN bun install --frozen-lockfile

COPY frontend/ ./

# VITE_API_BASE_URL is baked in at build time.
# Using a relative path means the SPA will call the same origin,
# so no CORS issues and no need to know the Cloud Run URL ahead of time.
ARG VITE_API_BASE_URL=/api/v1
ENV VITE_API_BASE_URL=$VITE_API_BASE_URL

RUN bun run build

# ─── Stage 2: Python backend + bundled frontend ────────────────────────────────
FROM ghcr.io/astral-sh/uv:python3.12-bookworm-slim

WORKDIR /app

# Copy Python project manifests first to get a cached dependency layer.
COPY python/pyproject.toml python/uv.lock ./

RUN --mount=type=cache,target=/root/.cache/uv \
    uv sync --locked --no-install-project

# Copy the full Python source tree.
COPY python/ ./

# Install the project itself.
RUN --mount=type=cache,target=/root/.cache/uv \
    uv sync --locked

# Bundle the built frontend into the container.
# FastAPI will serve these as static files (see FRONTEND_BUILD_DIR below).
COPY --from=frontend-build /build/build/client /app/static

# ─── Runtime configuration ─────────────────────────────────────────────────────
ENV APP_ENVIRONMENT=production
ENV API_DEBUG=false
# Tell the FastAPI app where to find the built frontend.
ENV FRONTEND_BUILD_DIR=/app/static
# Cloud Run injects PORT (default 8080). We skip main.py's stdin control-loop
# by calling uvicorn directly, which is also slightly faster to start.
EXPOSE 8080

CMD ["sh", "-c", "exec uv run uvicorn valuecell.server.api.app:app --host 0.0.0.0 --port ${PORT:-8080}"]