FROM node:24-alpine AS builder

WORKDIR /app/site

ARG PUBLIC_ENABLE_SW=true
ENV PUBLIC_ENABLE_SW=$PUBLIC_ENABLE_SW
ARG PUBLIC_ASSET_VERSION
ENV PUBLIC_ASSET_VERSION=$PUBLIC_ASSET_VERSION

# Public, build-time config (baked into static HTML via Astro/Vite).
ARG PUBLIC_SITE_URL
ARG PUBLIC_UMAMI_SCRIPT_URL
ARG PUBLIC_UMAMI_WEBSITE_ID
ENV PUBLIC_SITE_URL=$PUBLIC_SITE_URL
ENV PUBLIC_UMAMI_SCRIPT_URL=$PUBLIC_UMAMI_SCRIPT_URL
ENV PUBLIC_UMAMI_WEBSITE_ID=$PUBLIC_UMAMI_WEBSITE_ID

COPY site/package.json site/package-lock.json ./
RUN npm ci --no-audit --no-fund

COPY site/ ./
# Content is fetched before build (typically in CI) and committed into the build context at
# `site/content/cache/content.json`. If env vars aren't configured, the fetch step gracefully
# skips sources and/or uses last-known-good cache.
RUN npm run build

FROM nginx:1.27-alpine

ARG BUILD_SHA=unknown
ARG BUILD_DATE=unknown
ARG BUILD_REF=unknown

LABEL org.opencontainers.image.title="fast-website"
LABEL org.opencontainers.image.description="Lightweight, SEO-first static site packaged as an nginx image."
LABEL org.opencontainers.image.revision=$BUILD_SHA
LABEL org.opencontainers.image.created=$BUILD_DATE
LABEL org.opencontainers.image.source=$BUILD_REF

COPY deploy/nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=builder /app/site/dist/ /usr/share/nginx/html/

# Operator-friendly version visibility.
RUN printf '{\n  "sha": "%s",\n  "builtAt": "%s",\n  "ref": "%s"\n}\n' "$BUILD_SHA" "$BUILD_DATE" "$BUILD_REF" \
  > /usr/share/nginx/html/build.json

EXPOSE 80
