get rid of the "d_" before docker container names

docker-compose.yml

@@ -21,11 +21,13 @@ services:
             - postgres
 
     redis:
+        container_name: "redis"
         image: redis
         ports:
             - "6379:6379"
 
     postgres:
+        container_name: "postgres"
         image: postgres
         command: ["postgres", "-c", "log_statement=all"]
         volumes: