Update file .gitlab-ci.yml

.gitlab-ci.yml

@@ -17,9 +17,10 @@ build:
             - Dockerfile
     script:
         - 'mvn package'
-        - echo "Hello, you are at build stage.""
+        - echo "Hello, you are at build stage."
     only:
-        - main (또는 master)
+        - main
+        - master
 
 deploy:docker:
     image: docker
@@ -36,5 +37,5 @@ deploy:docker:
     after_script:
         - docker logout
     only:
-        - main (or master)
-        
\ No newline at end of file
+        - main
+        - master