FROM node:22-alpine

RUN apk add --no-cache curl

WORKDIR /app

COPY webapp/package.json webapp/package-lock.json ./
RUN npm ci --omit=dev

COPY webapp/src ./src
COPY webapp/.env ./.env

ENV NODE_ENV=production
EXPOSE 3000

HEALTHCHECK --interval=10s --timeout=3s --start-period=10s --retries=3 \
  CMD curl -f http://127.0.0.1:3000/health || exit 1

CMD ["node", "src/server.js"]
