Docker: Adjust image builder configuration

- Use semver tagging for releases.
- Build and publish images on pull requests.

Author: amotl

.github/workflows/release-docker-full.yml

@@ -44,7 +44,9 @@ jobs:
           # Generate Docker tags based on the following events/attributes
           tags: |
             type=schedule,pattern=nightly
-            type=ref,event=tag
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
       -
         name: Inspect meta
         run: |
@@ -75,7 +77,6 @@ jobs:
           echo "Platforms: ${{ steps.buildx.outputs.platforms }}"
       -
         name: Login to GHCR
-        if: github.event_name != 'pull_request'
         uses: docker/login-action@v2
         with:
           registry: ghcr.io
@@ -90,7 +91,7 @@ jobs:
           platforms: linux/amd64,linux/arm64,linux/arm/v7
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          push: ${{ github.event_name != 'pull_request' }}
+          push: true
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache-new
 

.github/workflows/release-docker-standard.yml

@@ -44,7 +44,9 @@ jobs:
           # Generate Docker tags based on the following events/attributes
           tags: |
             type=schedule,pattern=nightly
-            type=ref,event=tag
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
       -
         name: Inspect meta
         run: |
@@ -75,7 +77,6 @@ jobs:
           echo "Platforms: ${{ steps.buildx.outputs.platforms }}"
       -
         name: Login to GHCR
-        if: github.event_name != 'pull_request'
         uses: docker/login-action@v2
         with:
           registry: ghcr.io
@@ -90,7 +91,7 @@ jobs:
           platforms: linux/amd64,linux/arm64,linux/arm/v7
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          push: ${{ github.event_name != 'pull_request' }}
+          push: true
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache-new