fix: set latest tag

because apparently manifests are too difficult

.github/workflows/docker-build.yml

@@ -6,8 +6,11 @@ on:
     branches:
       - "main"
 
+env:
+  REGISTRY_IMAGE: registry.dangerous.tech/dangeroustech/zerotierbridge
+
 jobs:
-  Docker_Release:
+  Docker_Build:
     name: "Docker Build And Release"
     runs-on: ubuntu-latest
     strategy:
@@ -26,14 +29,14 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Login to Registry
-        id: registry_push
+        id: login
         uses: docker/login-action@v3
         with:
           registry: registry.dangerous.tech
           username: ${{ secrets.REGISTRY_USERNAME }}
           password: ${{ secrets.REGISTRY_PASSWORD }}
 
-      - name: Build and Push
+      - name: Build
         id: docker_build
         uses: docker/build-push-action@v5
         with:
@@ -43,7 +46,64 @@ jobs:
             VERSION=${{ matrix.version }}
           push: true
           platforms: linux/${{ matrix.arch }}
-          tags: registry.dangerous.tech/dangeroustech/zerotierbridge:latest
+          # tags: registry.dangerous.tech/dangeroustech/zerotierbridge:latest
+          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true
+
+      - name: Export Digests
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.docker_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
+
+  MergeRefs:
+    name: "Do The Horrible Merge Thing"
+    runs-on: ubuntu-latest
+    needs:
+      - Docker_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: Login to Registry
+        id: login
+        uses: docker/login-action@v3
+        with:
+          registry: registry.dangerous.tech
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY_IMAGE }}
+          tags: |
+            # set latest tag for default branch
+            # https://github.com/docker/metadata-action#latest-tag
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}
 
       - name: Generate SBOM
         uses: anchore/sbom-action@v0

docker-compose.yml.example

@@ -3,12 +3,7 @@ version: "3"
 services:
   zerotierbridge:
     container_name: zerotierbridge
-    build:
-      context: .
-      dockerfile: Dockerfile
-      args:
-        ARCH: amd64
-        VERSION: 1.12.2
+    image: registry.dangerous.tech/dangeroustech/zerotierbridge
     restart: always
     privileged: true
     volumes:
@@ -17,4 +12,4 @@ services:
       - ZT_NETWORKS=NETWORK_ID_1 NETWORK_ID_2 NETWORK_ID_3
       - ZT_BRIDGE=true
 volumes:
-  zt_config:
+  zt_config: