Update .gitlab-ci.yml file

.gitlab-ci.yml

 image: docker:latest
 services:
-  #- gradle:jdk17
-  - docker:dind
+  - gradle:jdk17
+  #- docker:dind
 stages:
   - build
   - testing
   - packaging
 
-build-application:
-  stage: build
-  tags:
-    - docker
-  script:
-    - echo "Compiling the code..."
-    - echo "Compile complete."
+# build-application:
+#   stage: build
+#   tags:
+#     - docker
+#   script:
+#     - echo "Compiling the code..."
+#     - echo "Compile complete."
 
-lint-test-job:
-  stage: testing
-  tags:
-    - docker 
-  script:
-    - echo "Linting code... This will take about 10 seconds."
-    - echo "No lint issues found."
+# lint-test-job:
+#   stage: testing
+#   tags:
+#     - docker 
+#   script:
+#     - echo "Linting code... This will take about 10 seconds."
+#     - echo "No lint issues found."
 
-unit-test-job:
-  stage: testing
-  only:
-    - master
-    - develop
-    - merge_requests
-  tags:
-    - docker
-  script:
-    - echo "Running unit tests... This will take about 60 seconds."
-    - echo "Code coverage is 90%"
+# unit-test-job:
+#   stage: testing
+#   only:
+#     - master
+#     - develop
+#     - merge_requests
+#   tags:
+#     - docker
+#   script:
+#     - echo "Running unit tests... This will take about 60 seconds."
+#     - echo "Code coverage is 90%"
 
 packaging:
   stage: packaging