Update Dockerfile.prod

Author: kvineet002

Dockerfile.prod

@@ -2,7 +2,7 @@ FROM node:16-alpine
 WORKDIR /usr/src/app
 COPY package*.json process.yml ./
 RUN npm i -g pm2
-RUN npm ci
+RUN npm i
 COPY . .
 EXPOSE 3000
 ENTRYPOINT ["pm2","start", "./process.yml","--no-daemon"]