add mysql5.7

docker-compose.yml

@@ -2,8 +2,8 @@ version: '3.8'
 
 services:
   mysql8:
-    image: mysql:8.0
-    container_name: mysql8
+    image: mysql:5.7
+    container_name: mysql5
     environment:
       MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
       MYSQL_DATABASE: ${MYSQL_DATABASE}
@@ -12,7 +12,7 @@ services:
     networks:
       - web
     volumes:
-      - db_data:/var/lib/mysql
+      - db_data_mysql5:/var/lib/mysql
     restart: always
 
 networks:
@@ -20,4 +20,4 @@ networks:
     external: true
 
 volumes:
-  db_data:
+  db_data_mysql5: