Generify the service names

compose.yml

@@ -2,7 +2,7 @@
 version: "3.8"
 
 services:
-  nginx:
+  web:
     image: nginx:1.19.2
     networks:
       - proxy
@@ -87,7 +87,7 @@ services:
     networks:
       db:
 
-  redis:
+  cache:
     image: redis:4-alpine
     volumes:
       - redis-data:/data