# syntax=docker/dockerfile:1

FROM node:22-bookworm-slim AS runtime

ENV NODE_ENV=production \
    PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1 \
    CHROMIUM_PATH=/usr/bin/chromium \
    PORT=8080 \
    HOME=/home/appuser \
    LANG=C.UTF-8 \
    LC_ALL=C.UTF-8

RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        ca-certificates \
        chromium \
        curl \
        fonts-dejavu-core \
        fonts-liberation \
        fonts-noto-cjk \
        fonts-noto-color-emoji \
        fonts-noto-core \
        tini \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY package.json package-lock.json ./
RUN npm ci --omit=dev && npm cache clean --force

COPY src ./src
COPY public ./public

RUN useradd --create-home --uid 10001 appuser \
    && chown -R appuser:appuser /app /home/appuser

USER appuser

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
    CMD node -e "fetch('http://127.0.0.1:8080/healthz').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))"

ENTRYPOINT ["/usr/bin/tini", "--"]
CMD ["node", "src/server.js"]

# Test image: includes dev dependencies and the test suite.
FROM runtime AS test
USER root
# NODE_ENV=production is inherited from the runtime stage, which would make
# npm skip dev dependencies such as pdfjs-dist that the smoke test needs.
RUN npm ci --include=dev && npm cache clean --force
COPY --chown=appuser:appuser test ./test
USER appuser
CMD ["npm", "test"]

# Default production target.
FROM runtime AS production