Update .gitlab-ci.yml

Author: JustinBack

.gitlab-ci.yml

@@ -18,7 +18,7 @@ docker-nightly:
     - ''
   script:
   - /kaniko/executor --context "${CI_PROJECT_DIR}" --dockerfile "${CI_PROJECT_DIR}/Dockerfile"
-    --destination "${CI_REGISTRY_IMAGE}:nightly" --build-arg GIT_TAG=nightly
+    --destination "${CI_REGISTRY_IMAGE}:nightly"
   rules:
   - if: $CI_COMMIT_BRANCH == "phoenix-integration"
 
@@ -31,6 +31,6 @@ docker-prod:
     - ''
   script:
   - /kaniko/executor --context "${CI_PROJECT_DIR}" --dockerfile "${CI_PROJECT_DIR}/Dockerfile"
-    --destination "${CI_REGISTRY_IMAGE}:${CI_COMMIT_TAG}" --build-arg GIT_TAG=${CI_COMMIT_TAG}
+    --destination "${CI_REGISTRY_IMAGE}:${CI_COMMIT_TAG}" --destination "${CI_REGISTRY_IMAGE}:nightly"
   rules:
   - if: $CI_COMMIT_TAG