FROM node:20-alpine AS builder

WORKDIR /app

COPY package*.json ./
RUN npm install

COPY tsconfig.json ./
COPY src ./src
RUN npm run build

# ─── Production image ────────────────────────────────────────────────────────
FROM node:20-alpine AS production

WORKDIR /app

RUN apk add --no-cache curl

COPY package*.json ./
RUN npm install --omit=dev

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

EXPOSE 3002

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