# multi-stage for small image
FROM node:18-alpine AS builder
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm ci --production
COPY . .

FROM node:18-alpine
RUN addgroup -S app && adduser -S app -G app
WORKDIR /app
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/src ./src
USER app
EXPOSE 3000
ENV PORT=3000
CMD ["node", "src/index.js"]
