Allow building snapshots

.github/workflows/publish-snapshot.yml

@@ -0,0 +1,34 @@
+name: Publish snapshot
+
+on:
+  workflow_dispatch:
+    inputs:
+      branch:
+        description: 'For which branch build snapshot?'
+        required: true
+
+jobs:
+  publish:
+
+    runs-on: ubuntu-latest
+    environment: ci
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+          ref: ${{ github.event.inputs.branch }}
+      - name: Publish docker snapshot
+        env:
+          RETRY_COUNT: 3
+        run: |
+          docker login --username ${{ secrets.DOCKER_HUB_USERNAME }} --password ${{ secrets.DOCKER_HUB_PASSWORD }}
+          export RALPH_VERSION=$(shell ./get_version.sh show)
+          until [ "$RETRY_COUNT" -le 0 ]
+            do
+              make publish-docker-snapshot-image && break
+              RETRY_COUNT=$((RETRY_COUNT-1))
+              echo "==== Publish docker failed. Remaining retries: $RETRY_COUNT ===="
+            done
+          docker logout

Makefile

@@ -69,6 +69,11 @@ publish-docker-image: build-docker-image
 	docker push $(DOCKER_REPO_NAME)/ralph-static-nginx:$(RALPH_VERSION)
 	docker push $(DOCKER_REPO_NAME)/ralph-static-nginx:latest
 
+publish-docker-snapshot-image: version = $(shell ./get_version.sh show)
+publish-docker-snapshot-image: build-snapshot-docker-image
+	docker push $(DOCKER_REPO_NAME)/ralph:$(version)
+	docker push $(DOCKER_REPO_NAME)/ralph-static-nginx:$(version)
+
 install-js:
 	npm install
 	./node_modules/.bin/gulp

src/ralph/settings/dev.py

@@ -59,3 +59,5 @@ def only_true(request):
             'function': 'DataCenterAssetAdmin.changelist_view'
         },
     ]
+ADMIN_SITE_HEADER = 'Ralph DEV'
+ADMIN_SITE_TITLE = 'Ralph DEV'