Dockerfile-prod

# stage 1
FROM node:18-alpine as devModules
WORKDIR /usr/src/app
COPY ./package*.json ./
RUN npm ci --only=development
COPY . .

# Stage 2
FROM node:18-alpine as productionBuild
WORKDIR /usr/src/app
COPY ./package*.json ./
COPY --from=devModules /usr/src/app/node_modules ./node_modules
COPY . .
RUN npm run build
ENV NODE_ENV=production
RUN npm ci --only=production

# Stage 3
FROM node:18-alpine as production
COPY --from=productionBuild /usr/src/app/node_modules ./node_modules
COPY --from=productionBuild /usr/src/app/dist ./dist

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