FROM node:22-alpine AS builder

WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY tsconfig.json ./
COPY src ./src
RUN npm run build

FROM node:22-alpine AS runtime

WORKDIR /app
COPY package*.json ./
RUN npm ci --omit=dev
COPY --from=builder /app/dist ./dist

ENV NODE_ENV=production
EXPOSE 4100

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s \
  CMD wget -qO- http://localhost:4100/health || exit 1

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