diff --git a/.github/workflows/ghcr.yml b/.github/workflows/ghcr.yml
deleted file mode 100644
index 6350eeb7f..000000000
--- a/.github/workflows/ghcr.yml
+++ /dev/null
@@ -1,61 +0,0 @@
-name: GHCR
-
-on:
-  workflow_dispatch:
-  push:
-    branches: [master]
-    tags: ["v*.*.*"]
-
-env:
-  REGISTRY: ghcr.io
-
-jobs:
-  build-push-image:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-
-    strategy:
-      matrix:
-        image: [nginx, service]
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v5
-        with:
-          fetch-depth: 0
-          fetch-tags: true
-          submodules: recursive
-
-      - name: Log into registry ${{ env.REGISTRY }}
-        uses: docker/login-action@v4
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Show Docker Context
-        run: ./test/check-docker-context.sh --report
-
-      - name: Extract Docker metadata
-        id: meta
-        uses: docker/metadata-action@v6
-        with:
-          images: ${{ env.REGISTRY }}/${{ github.repository_owner }}/central-${{ matrix.image }}
-
-      - name: Set up QEMU emulator for multi-arch images
-        uses: docker/setup-qemu-action@v4
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v4
-
-      - name: Build and push ${{ matrix.image }} Docker image
-        uses: docker/build-push-action@v7
-        with:
-            file: ${{ matrix.image }}.dockerfile
-            context: .
-            push: true
-            tags: ${{ steps.meta.outputs.tags }}
-            labels: ${{ steps.meta.outputs.labels }}
-            platforms: 'linux/amd64,linux/arm64'
diff --git a/.github/workflows/test.yml b/.github/workflows/main.yml
similarity index 62%
rename from .github/workflows/test.yml
rename to .github/workflows/main.yml
index 656db878a..1d87ed6cf 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/main.yml
@@ -1,8 +1,9 @@
-name: Test
+name: Test, Build, Publish
 
 on:
   push:
   pull_request:
+  workflow_dispatch:
 
 jobs:
   test-misc: # quick, simple checks
@@ -85,3 +86,59 @@ jobs:
     - run: ./test/test-images.sh
     - if: always()
       run: docker compose logs
+  build-push-image:
+    if: |
+      github.event_name == 'workflow_dispatch' || (
+        github.event_name == 'push' && (
+          github.ref == 'refs/heads/master' ||
+          startsWith(github.ref, 'refs/tags/v20')
+        )
+      )
+    needs:
+    - test-images
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      matrix:
+        image: [nginx, service]
+    env:
+      REGISTRY: ghcr.io
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v5
+      with:
+        fetch-depth: 0
+        fetch-tags: true
+        submodules: recursive
+    - name: Log into registry ${{ env.REGISTRY }}
+      uses: docker/login-action@v4
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - name: Show Docker Context
+      run: ./test/check-docker-context.sh --report
+
+    - name: Extract Docker metadata
+      id: meta
+      uses: docker/metadata-action@v6
+      with:
+        images: ${{ env.REGISTRY }}/${{ github.repository_owner }}/central-${{ matrix.image }}
+
+    - name: Set up QEMU emulator for multi-arch images
+      uses: docker/setup-qemu-action@v4
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v4
+
+    - name: Build and push ${{ matrix.image }} Docker image
+      uses: docker/build-push-action@v7
+      with:
+        file: ${{ matrix.image }}.dockerfile
+        context: .
+        push: true
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}
+        platforms: 'linux/amd64,linux/arm64'
diff --git a/a-random-change b/a-random-change
new file mode 100644
index 000000000..e69de29bb