FROM node:18-alpine AS builder

WORKDIR /app

COPY package*.json ./

RUN npm ci --only=production

FROM node:18-alpine

WORKDIR /app

COPY --from=builder /app/node_modules ./node_modules

COPY server.js ./
COPY public ./public
COPY package.json ./
COPY index.md ./
COPY docs ./docs

EXPOSE 3000

ENV NODE_ENV=production \
    PORT=3000

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD node -e "require('http').get('http://localhost:3000/api/structure', (res) => { process.exit(res.statusCode === 200 ? 0 : 1); }).on('error', () => { process.exit(1); });"

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