Bump up spring boot version

polling-app-client/.dockerignore

@@ -0,0 +1,3 @@
+.git
+node_modules
+build

polling-app-client/Dockerfile

@@ -1,5 +1,35 @@
-FROM nginx:1.15.10-alpine
-COPY ./build /var/www
+#### Stage 1: Build the react application
+FROM node:12.4.0-alpine as build
+
+# Configure the main working directory inside the docker image. 
+# This is the base directory used in any further RUN, COPY, and ENTRYPOINT 
+# commands.
+WORKDIR /app
+
+# Copy the package.json as well as the package-lock.json and install 
+# the dependencies. This is a separate step so the dependencies 
+# will be cached unless changes to one of those two files 
+# are made.
+COPY package.json package-lock.json ./
+RUN npm install
+
+# Copy the main application
+COPY . ./
+
+# Build the application
+RUN npm run build
+
+#### Stage 2: Serve the React application from Nginx 
+FROM nginx:1.17.0-alpine
+
+# Copy the react build from Stage 1
+COPY --from=build /app/build /var/www
+
+# Copy our custom nginx config
 COPY nginx.conf /etc/nginx/nginx.conf
+
+# Expose port 3000 to the Docker host, so we can access it 
+# from the outside.
 EXPOSE 80
+
 ENTRYPOINT ["nginx","-g","daemon off;"]

polling-app-client/nginx.conf

@@ -24,11 +24,13 @@ http {
     server {
         # listen on port 80
         listen 80;
+
         # save logs here
         access_log /var/log/nginx/access.log compression;
 
-        # where the root here
+        # nginx root directory
         root /var/www;
+
         # what file to server as index
         index index.html index.htm;
 

polling-app-server/pom.xml

@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.0.0.RELEASE</version>
+		<version>2.1.6.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>