Feature: Don't push feature development branches to DockerHub (#1219)

* Don't push to the DockerHub except for certain refs

* Enables deletetion of feature images

* Adds links to the API docs for the end points

* Makes it clear in the logs a dry-run vs actual deletion event

.github/workflows/ci.yml

@@ -135,12 +135,18 @@ jobs:
       -
         name: Check pushing to Docker Hub
         id: docker-hub
-        # Only push to Dockerhub from the main repo
+        # Only push to Dockerhub from the main repo AND the ref is either:
+        #  main
+        #  dev
+        #  beta
+        #  a tag
         # Otherwise forks would require a Docker Hub account and secrets setup
         run: |
-          if [[ ${{ github.repository }} == "paperless-ngx/paperless-ngx" ]] ; then
+          if [[ ${{ github.repository }} == "paperless-ngx/paperless-ngx" && ( ${{ github.ref_name }} == "main" || ${{ github.ref_name }} == "dev" || ${{ github.ref_name }} == "beta" || ${{ startsWith(github.ref, 'refs/tags/v') }} == "true" ) ]] ; then
+            echo "Enabling DockerHub image push"
             echo ::set-output name=enable::"true"
           else
+            echo "Not pushing to DockerHub"
             echo ::set-output name=enable::"false"
           fi
       -

.github/workflows/cleanup-tags.yml

@@ -45,4 +45,4 @@ jobs:
       -
         name: Cleanup feature tags
         run: |
-          python ${GITHUB_WORKSPACE}/.github/scripts/cleanup-tags.py --loglevel info
+          python ${GITHUB_WORKSPACE}/.github/scripts/cleanup-tags.py --loglevel info --delete