(chore): implement pm2 runtime

containers/server/Dockerfile

@@ -5,6 +5,10 @@ FROM node:13-alpine
 
 COPY . /dist
 
-CMD node "--max-old-space-size=2048" /dist/server
+RUN npm install pm2 -g
+
+CMD pm2-runtime /dist/server \
+    --max-memory-restart 1900M \
+    --instances 2
 
 VOLUME ["/dist"]
\ No newline at end of file

server.ts

@@ -136,11 +136,11 @@ const cache = () => {
 };
 
 app.get('/node-cache-stats', (req, res) => {
-  res.sendResponse(myCache.getStats());
+  res.send(myCache.getStats());
 });
 
 // All regular routes use the Universal engine
-app.get('*', (req, res) => {
+app.get('*', cache(), (req, res) => {
   const http =
     req.headers['x-forwarded-proto'] === undefined
       ? 'http'