FROM node:20-alpine AS builder
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm ci
COPY tsconfig.json ./
COPY src/ ./src/
RUN npm run build

FROM node:20-alpine
WORKDIR /app
ENV NODE_ENV=production
COPY package.json package-lock.json* ./
RUN npm ci --omit=dev
COPY --from=builder /app/dist ./dist
EXPOSE 3100
CMD ["node", "dist/index.js"]