exclude tag and latest docker images from nightly build

.gitlab-ci.yml

@@ -144,6 +144,8 @@ docker:latest:
     - docker push $CI_REGISTRY_IMAGE:latest
   dependencies:
     - build-bayeswave-rpm
+  except:
+    - schedules
 
 docker:tags:
   # FIXME: Until we version the dependency image, the tags containers will
@@ -164,6 +166,8 @@ docker:tags:
     - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG
   dependencies:
     - build-bayeswave-rpm
+  except:
+    - schedules
 
 docs:
   stage: build