Add new file

nest-restaurant-api/dockerfile

+FROM node:10 AS builder
+WORKDIR /app
+COPY ./package.json ./
+RUN npm install
+COPY . .
+RUN npm run build
+
+
+FROM node:10-alpine
+WORKDIR /app
+COPY --from=builder /app ./
+CMD ["npm", "run", "start:prod"]