Add kaniko-build composite action, update docker-publish to use Kaniko

.forgejo/actions/kaniko-build/action.yml

@@ -0,0 +1,45 @@
+name: "Kaniko Build and Push"
+description: "Build and push Docker images using Kaniko (no Docker daemon needed)"
+inputs:
+  registry:
+    required: false
+    default: "git.mcintire.me"
+  username:
+    required: false
+    default: "graham"
+  token:
+    required: true
+  image:
+    required: true
+  tag:
+    required: false
+    default: "latest"
+  dockerfile:
+    required: false
+    default: "Dockerfile"
+  context:
+    required: false
+    default: "."
+
+runs:
+  using: "composite"
+  steps:
+    - name: Write registry credentials
+      shell: bash
+      run: |
+        mkdir -p /kaniko/.docker
+        cat > /kaniko/.docker/config.json <<'EOF'
+        {"auths":{"${{ inputs.registry }}":{"username":"${{ inputs.username }}","password":"${{ inputs.token }}"}}}
+        EOF
+
+    - name: Build and Push with Kaniko
+      shell: bash
+      run: |
+        docker run --rm \
+          -v "${{ inputs.context }}":/workspace \
+          -v /kaniko/.docker:/kaniko/.docker \
+          gcr.io/kaniko-project/executor:latest \
+          --context=/workspace \
+          --dockerfile="/workspace/${{ inputs.dockerfile }}" \
+          --destination="${{ inputs.image }}:${{ inputs.tag }}" \
+          --cache=true

.forgejo/workflows/docker-publish.yml

@@ -4,16 +4,22 @@ on:
       image_name:
         required: true
         type: string
-        description: "Image name (e.g. aprs.me)"
       registry:
         required: false
         type: string
         default: "git.mcintire.me"
-        description: "Container registry hostname"
       username:
         required: false
         type: string
         default: "graham"
+      dockerfile:
+        required: false
+        type: string
+        default: "Dockerfile"
+      context:
+        required: false
+        type: string
+        default: "."
     secrets:
       FORGEJO_TOKEN:
         required: true
@@ -24,15 +30,12 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Login to Forgejo Registry
-        uses: graham/infra/.forgejo/actions/container-login@main
+      - name: Build and Push via Kaniko
+        uses: graham/infra/.forgejo/actions/kaniko-build@main
         with:
           registry: ${{ inputs.registry }}
           username: ${{ inputs.username }}
           token: ${{ secrets.FORGEJO_TOKEN }}
-
-      - name: Build and Push
-        run: |
-          TAG=${{ inputs.registry }}/${{ inputs.username }}/${{ inputs.image_name }}:latest
-          docker build -t $TAG .
-          docker push $TAG
+          image: ${{ inputs.registry }}/${{ inputs.username }}/${{ inputs.image_name }}
+          dockerfile: ${{ inputs.dockerfile }}
+          context: ${{ inputs.context }}