ci: split main and tag image publishing

Co-authored-by: Codex <[email protected]>

Author: codex

.github/workflows/publish-tag.yaml

@@ -0,0 +1,46 @@
+name: Publish tag
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_HUB_USER }}
+          password: ${{ secrets.DOCKER_HUB_PAT }}
+
+      - name: Set image tag
+        run: |
+          IMAGE_TAG="kuberhealthy/ssl-expiry-check:${GITHUB_REF_NAME}"
+          echo "IMAGE_TAG=${IMAGE_TAG}" >> $GITHUB_ENV
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Containerfile
+          push: true
+          tags: ${{ env.IMAGE_TAG }}
+
+      - name: Publish summary
+        run: |
+          echo "Images pushed:" >> "$GITHUB_STEP_SUMMARY"
+          echo "- ${{ env.IMAGE_TAG }}" >> "$GITHUB_STEP_SUMMARY"

.github/workflows/publish.yaml

@@ -1,12 +1,9 @@
-name: Publish
+name: Publish main
 
 on:
   push:
     branches:
       - main
-      - master
-    tags:
-      - "v*"
 
 jobs:
   publish:
@@ -30,20 +27,21 @@ jobs:
           username: ${{ secrets.DOCKER_HUB_USER }}
           password: ${{ secrets.DOCKER_HUB_PAT }}
 
-      - name: Docker metadata
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: kuberhealthy/ssl-expiry-check
-          tags: |
-            type=sha,format=short,prefix=,event=branch
-            type=ref,event=tag
+      - name: Set image tag
+        run: |
+          SHORT_SHA=$(git rev-parse --short HEAD)
+          IMAGE_TAG="kuberhealthy/ssl-expiry-check:${SHORT_SHA}"
+          echo "IMAGE_TAG=${IMAGE_TAG}" >> $GITHUB_ENV
 
       - name: Build and push
         uses: docker/build-push-action@v6
         with:
           context: .
           file: ./Containerfile
           push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          tags: ${{ env.IMAGE_TAG }}
+
+      - name: Publish summary
+        run: |
+          echo "Images pushed:" >> "$GITHUB_STEP_SUMMARY"
+          echo "- ${{ env.IMAGE_TAG }}" >> "$GITHUB_STEP_SUMMARY"