Update port number in Dockerfile and server.js

mock-backend/.gitignore

@@ -0,0 +1,5 @@
+
+# Elastic Beanstalk Files
+.elasticbeanstalk/*
+!.elasticbeanstalk/*.cfg.yml
+!.elasticbeanstalk/*.global.yml

mock-backend/Dockerfile

@@ -6,6 +6,6 @@ COPY package*.json ./
 RUN npm install
 COPY . .
 
-EXPOSE 7091
+EXPOSE 8080
 
 CMD [ "npm", "run", "start"]

mock-backend/src/server.js

@@ -126,6 +126,6 @@ router.render = (req, res) => {
 
 server.use(router);
 
-server.listen(7091, () => {
+server.listen(8080, () => {
   console.log("JSON Server is running");
 });