fixing compose port and config string for db

docker-compose.yml

@@ -18,7 +18,7 @@ services:
       - ./scripts:/opt/server/scripts
       - ./wz:/opt/server/wz
     environment:
-      DB_HOST: "db"
+      DB_HOST: "db" ## Remember if this is present it will OVERRIDE the host in the config.yaml, this one is optional.
     
   db:
     image: mysql:8.0.23
@@ -27,6 +27,11 @@ services:
       MYSQL_DATABASE: "cosmic"
       MYSQL_USER: "cosmic_server"
       MYSQL_PASSWORD: "snailshell"
+    cap_add:
+      - SYS_NICE
+    ports:
+      - "3307:3307"
     volumes:
       - ./database/docker-db-data:/var/lib/mysql
       - ./database/sql:/docker-entrypoint-initdb.d
+      - ./mysql.cnf:/etc/mysql/conf.d/mysql.cnf ## conf file for mysql internal container, relevant only if mysql host is not 'db' as mentioned above