# ---- Stage 1: Build Next.js static export ----
FROM node:22-slim AS frontend-builder

WORKDIR /app

# Install pnpm
RUN corepack enable

# Install build essentials for native deps
RUN apt-get update -qq && apt-get install -y -qq --no-install-recommends \
    python3 make g++ && rm -rf /var/lib/apt/lists/*

# Copy dependency manifests first for layer caching
COPY services/frontend/package.json services/frontend/pnpm-lock.yaml* ./services/frontend/
COPY services/frontend/tsconfig.json ./services/frontend/tsconfig.json

# Install frontend dependencies (standalone, no shared workspace dep)
RUN --mount=type=cache,id=pnpm-store,target=/root/.local/share/pnpm/store \
    cd services/frontend && pnpm install --no-frozen-lockfile

# Copy source code
COPY services/frontend/ ./services/frontend/

# Pass API/WS URLs as build args
ARG VITE_BE_API_URL
ARG VITE_BE_WS_URL
ENV VITE_BE_API_URL=${VITE_BE_API_URL}
ENV VITE_BE_WS_URL=${VITE_BE_WS_URL}

# Build frontend static export
RUN --mount=type=cache,id=pnpm-store,target=/root/.local/share/pnpm/store \
    cd services/frontend && pnpm run build

# ---- Stage 2: Nginx ----
FROM nginx:alpine

# Nginx config (API/WS proxy + static file serving)
COPY infra/docker/nginx/nginx.conf /etc/nginx/conf.d/default.conf

# Static export from frontend builder
COPY --from=frontend-builder /app/services/frontend/out/ /usr/share/nginx/html/

EXPOSE 80

HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
  CMD wget -qO- http://localhost:80/ || exit 1

CMD ["nginx", "-g", "daemon off;"]