try to use docker tags correctly

.gitlab-ci.yml

@@ -17,7 +17,7 @@ build:
     - echo $DOCKERHUBPASSWORD
     - docker login -u $DOCKERHUBUSER -p $DOCKERHUBPASSWORD docker.io
     - docker build --tag=l1ll1/strudel2_backend .
-    - docker push l1ll1/strudel2_backend:latest
+    - docker push l1ll1/strudel2_backend:$CI_COMMIT_BRANCH
   tags:
     - build_strudel2_backend
 
@@ -45,7 +45,7 @@ deploy_dev:
   only:
     - dev@hpc-team/strudel2_backend
   tags: 
-    - deploy_dev
+    - deploy_$CI_COMMIT_BRANCH
   variables:
     DOCKER_HOST: unix:///var/run/docker.sock
   script:
@@ -54,26 +54,8 @@ deploy_dev:
     - docker stop strudel2_backend || echo "Failed to stop existing container"
     - docker ps -a -q | xargs -I{} docker rm  {} || echo "No containers to remove"
     - docker images -q | xargs -I{} docker rmi {} || echo "No images to remove"
-    - docker pull l1ll1/strudel2_backend:latest
-    - docker run --mount type=bind,source=/messages,target=/messages -d -p 8080:8080 -p 8090:8090 --name strudel2_backend l1ll1/strudel2_backend:latest || echo "Unable to start image ... possibly the old wsgi process is still running?"
+    - docker pull l1ll1/strudel2_backend:$CI_COMMIT_BRANCH
+    - docker run --mount type=bind,source=/messages,target=/messages -d -p 8080:8080 -p 8090:8090 --name strudel2_backend l1ll1/strudel2_backend:$CI_COMMIT_BRANCH || echo "Unable to start image ... possibly the old wsgi process is still running?"
   dependencies:
     - build
     
-deploy_dev_pawsey:
-  stage: deploy
-  only:
-    - dev@hpc-team/strudel2_backend
-  tags: 
-    - deploy_dev_pawsey
-  variables:
-    DOCKER_HOST: unix:///var/run/docker.sock
-  script:
-    - echo "deploying dev"
-    - docker login -u $DOCKERHUBUSER -p $DOCKERHUBPASSWORD docker.io
-    - docker stop strudel2_backend || echo "Failed to stop existing container"
-    - docker ps -a -q | xargs -I{} docker rm  {} || echo "No containers to remove"
-    - docker images -q | xargs -I{} docker rmi {} || echo "No images to remove"
-    - docker pull l1ll1/strudel2_backend:latest
-    - docker run -d -p 8080:8080 -p 8090:8090 --name strudel2_backend l1ll1/strudel2_backend:latest || echo "Unable to start image ... possibly the old wsgi process is still running?"
-  dependencies:
-    - build