Added Jenkinsfile 15

Dockerfile

@@ -1,11 +1,15 @@
 FROM node:15-alpine
 
 WORKDIR /app
+ENV NODE_ENV=production
 
 COPY ./public /app/public
 COPY ./views /app/views
-COPY ./dist /app/views
+COPY ./dist /app/dist
 COPY ./package.json /app/package.json
+COPY ./package-lock.json /app/package-lock.json
+
+RUN npm install
 
 ENTRYPOINT npm start
 EXPOSE 3000