- fixed typo on yml file.

- added quotes to ports identification as per good practices

language/java/develop.md

@@ -133,8 +133,8 @@ services:
       context: .
       target: development
     ports:
-     - 8000:8000
-     - 8080:8080
+      - "8000:8000"
+      - "8080:8080"
     environment:
       - SERVER_PORT=8080
       - MYSQL_URL=jdbc:mysql://mysqlserver/petclinic
@@ -146,7 +146,7 @@ services:
   mysqlserver:
     image: mysql:8.0
     ports:
-      - 3306:3306
+      - "3306:3306"
     environment:
       - MYSQL_ROOT_PASSWORD=
       - MYSQL_ALLOW_EMPTY_PASSWORD=true