# ---- Builder stage: Next.js static export ----
FROM node:22-slim AS builder

WORKDIR /build

RUN npm install -g pnpm@10

# Build essentials (native deps like sharp need g++)
RUN apt-get update -qq && apt-get install -y -qq --no-install-recommends \
    make g++ \
    && rm -rf /var/lib/apt/lists/*

# Copy source + manifests
COPY services/frontend/ ./

# Install all deps
RUN --mount=type=cache,id=pnpm-store,target=/root/.local/share/pnpm/store \
    pnpm install --no-frozen-lockfile

# Build static export
RUN pnpm run build

# ---- Runtime stage: nginx ----
FROM nginx:alpine

COPY infra/docker/nginx/nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=builder /build/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;"]