update compose to link memcached correctly

Dockerfile

@@ -44,7 +44,8 @@ WORKDIR loader
 
 EXPOSE 3001
 ENV NODE_ENV=production
+ENV MEMCACHE_ADDR="localhost:11211"
 
 WORKDIR /srv/cprush-stats
 RUN npm install
-CMD ["node", "app.js"]
+CMD ["sh", "-c", "node app.js -m $MEMCACHE_ADDR"]

backend/src/app.ts

@@ -13,9 +13,14 @@ var Memcached = require('memcached')
 
 const app = express()
 const jsonParser = json()
-const port = 3001
+const port = process.argv[process.argv.indexOf('-p')]
+  ? process.argv[process.argv.indexOf('-p') + 1]
+  : 3001
+const memcache_addr = process.argv[process.argv.indexOf('-m')]
+  ? process.argv[process.argv.indexOf('-m') + 1]
+  : 'localhost:11211'
 // const memcache = new memcached('localhost:11211', {})
-const memcachep = new Memcache('localhost:11211')
+const memcachep = new Memcache(memcache_addr)
 
 addGameApis(app, jsonParser, memcachep)
 addCharacterApis(app, jsonParser, memcachep)
@@ -29,5 +34,7 @@ app.use('/', (req, res) => {
 
 app.listen(port, async () => {
   await database.authenticate()
-  return console.log(`Express is listening at http://localhost:${port}`)
+  console.log(`Using memcache at ${memcache_addr}`)
+  console.log(`Express is listening at http://localhost:${port}`)
+  return
 })

docker-compose.yaml

@@ -1,5 +1,21 @@
+version: "3"
+
+networks:
+  cprush-net:
+    external: false
+
 services:
   cprush:
     image: potato
+    networks:
+      - cprush-net
+    environment:
+      - MEMCACHE_ADDR=memcache:11211
     ports:
       - 3001:3001
+    depends_on:
+      - memcache
+  memcache:
+    image: memcached
+    networks:
+      - cprush-net