FROM node:22-bookworm-slim AS build

WORKDIR /app

# better-sqlite3 has a native module; compile it for this Node/Debian image.
RUN apt-get update \
  && apt-get install -y --no-install-recommends python3 make g++ \
  && rm -rf /var/lib/apt/lists/*

COPY package.json package-lock.json ./
RUN npm ci

COPY tsconfig.json ./
COPY src ./src
RUN npm run build && npm prune --omit=dev

FROM node:22-bookworm-slim AS runtime

ENV NODE_ENV=production \
    PORT=3000 \
    DB_PATH=/app/data/events.sqlite

WORKDIR /app

COPY --from=build --chown=node:node /app/package.json ./package.json
COPY --from=build --chown=node:node /app/node_modules ./node_modules
COPY --from=build --chown=node:node /app/dist ./dist

RUN mkdir -p /app/data && chown node:node /app/data
VOLUME ["/app/data"]

USER node
EXPOSE 3000

HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
  CMD node -e "fetch('http://127.0.0.1:' + (process.env.PORT || 3000) + '/health').then(r => process.exit(r.ok ? 0 : 1)).catch(() => process.exit(1))"

CMD ["node", "dist/index.js"]