Reinstate building of OIDC branch docker images

Author: hughns

.github/workflows/docker-publish.yml

@@ -2,7 +2,7 @@ name: Container Image
 
 on:
   push:
-    branches: [ master ]
+    branches: [ master, sandhose/oidc-login ] # TODO: remove sandhose/oidc-login before merging
     tags: [ 'v*' ]
   pull_request:
     branches: [ master ]
@@ -38,6 +38,12 @@ jobs:
         uses: docker/metadata-action@v4
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: | # Override tags so that we can use the SHA versions
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=tag
+            type=ref,event=pr
+            type=sha
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v3