Feature: Improve Docker image tagging (#825)

Author: daveearley

.github/workflows/post-release-push-images.yml

@@ -9,6 +9,7 @@ jobs:
   push_to_registry:
     name: Push Docker images to Docker Hub
     runs-on: ubuntu-latest
+
     steps:
       - name: Check out the repo
         uses: actions/checkout@v4
@@ -28,6 +29,9 @@ jobs:
         uses: docker/metadata-action@v3
         with:
           images: daveearley/hi.events-all-in-one
+          tags: |
+            type=ref,event=tag
+            type=raw,value=latest,enable=${{ github.event.release.prerelease == false }}
 
       - name: Build and push All-in-one Docker image
         uses: docker/build-push-action@v3
@@ -44,6 +48,9 @@ jobs:
         uses: docker/metadata-action@v3
         with:
           images: daveearley/hi.events-backend
+          tags: |
+            type=ref,event=tag
+            type=raw,value=latest,enable=${{ github.event.release.prerelease == false }}
 
       - name: Build and push Backend Docker image
         uses: docker/build-push-action@v3
@@ -60,6 +67,9 @@ jobs:
         uses: docker/metadata-action@v3
         with:
           images: daveearley/hi.events-frontend
+          tags: |
+            type=ref,event=tag
+            type=raw,value=latest,enable=${{ github.event.release.prerelease == false }}
 
       - name: Build and push Frontend Docker image
         uses: docker/build-push-action@v3