clean, multistage Dockerfile

Dockerfile

@@ -1,10 +1,17 @@
 FROM node:16.4.2-alpine3.14
-# 
 WORKDIR /app
 COPY . .
-RUN yarn
+RUN yarn --frozen-lockfile
 RUN yarn build
 # 
-EXPOSE 50013
+FROM node:16.4.2-alpine3.14
+WORKDIR /app
 VOLUME ["/app/data"]
-CMD ["npm", "run", "start-server"]
+EXPOSE 50013
+COPY package.json yarn.lock ./
+COPY ./db /app/db
+COPY ./server /app/server
+RUN yarn --frozen-lockfile --prod
+RUN yarn cache clean
+COPY --from=0 /app/dist /app/dist
+ENTRYPOINT ["node", "server/server.js"]