Add dedicated ci workflow for ghcr

Having them in one bundle causes intermittent errors. Until it is resolved we need to have the two separate.

.github/workflows/ci-ghcr.yaml

@@ -0,0 +1,131 @@
+name: ci
+
+on:
+  push:
+    branches:
+      - "**"
+    tags:
+      - "v*.*.*"
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm/v6
+          - linux/arm/v7
+          - linux/arm64
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set Environment Variables
+        run: |
+          echo "BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_ENV
+          echo "VCS_REF=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/${{ github.repository_owner }}/docker-nginx-http3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker build and push
+        id: build
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: ${{ matrix.platform }}
+          push: ${{ github.event_name != 'pull_request' }}
+          labels: ${{ steps.meta.outputs.labels }}
+          tags: ${{ steps.meta.outputs.tags }}
+          build-args: |
+            BUILD_DATE=${{ env.BUILD_DATE }}
+            VCS_REF=${{ env.VCS_REF }}
+            GITHUB_REF=${{ github.ref }}
+            GITHUB_RUN_ID=${{ github.run_id }}
+            GITHUB_RUN_NUMBER=${{ github.run_number }}
+            GITHUB_RUN_ATTEMPT=${{ github.run_attempt }}
+
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: actions/upload-artifact@v3
+        with:
+          name: digests
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v3
+        with:
+          name: digests
+          path: /tmp/digests
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/${{ github.repository_owner }}/docker-nginx-http3
+          tags: |
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=tag
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha,prefix=
+            type=sha,prefix=,format=long
+
+      - name: Login to GitHub Container Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create manifest list and push
+        if: github.event_name != 'pull_request'
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf 'ghcr.io/${{ github.repository_owner }}/docker-nginx-http3@sha256:%s ' *)
+
+      - name: Inspect images
+        run: |
+          docker buildx imagetools inspect ghcr.io/${{ github.repository_owner }}/docker-nginx-http3:${{ steps.meta.outputs.version }}

.github/workflows/ci.yml

@@ -100,7 +100,6 @@ jobs:
         with:
           images: |
             ${{ secrets.DOCKERHUB_USERNAME }}/docker-nginx-http3
-            ghcr.io/${{ github.repository_owner }}/docker-nginx-http3
           tags: |
             type=schedule
             type=ref,event=branch
@@ -118,14 +117,6 @@ jobs:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_PASSWORD }}
 
-      - name: Login to GitHub Container Registry
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
       - name: Create manifest list and push
         if: github.event_name != 'pull_request'
         working-directory: /tmp/digests
@@ -136,4 +127,3 @@ jobs:
       - name: Inspect images
         run: |
           docker buildx imagetools inspect ${{ secrets.DOCKERHUB_USERNAME }}/docker-nginx-http3:${{ steps.meta.outputs.version }}
-          docker buildx imagetools inspect ghcr.io/${{ github.repository_owner }}/docker-nginx-http3:${{ steps.meta.outputs.version }}