Update WF and Dockerfile for testing

.gitea/workflows/test.yml

@@ -0,0 +1,51 @@
+name: Build and Push Docker Image
+
+on:
+  workflow_dispatch:
+
+env:
+  DOCKERHUB_REPO: caddy-test
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout code
+        uses: actions/checkout@v4
+      -
+        name: Parse Caddy version
+        id: version
+        run: echo "VERSION=$(grep -Eo 'caddy:[0-9]+\.[0-9]+\.[0-9]+$' Dockerfile | cut -d ':' -f2)"  >> $GITHUB_ENV
+      - 
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3.7.0
+      - 
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3.12.0
+        with:
+          driver-opts: image=moby/buildkit:v0.23.2@sha256:ddd1ca44b21eda906e81ab14a3d467fa6c39cd73b9a39df1196210edcb8db59e
+      - 
+        name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5.10.0
+        with:
+          images: |
+            ryuupendragon/caddy
+          tags: |
+            type=raw,value=${{ env.VERSION }},priority=1000
+            type=sha,format=long,prefix=sha-
+            type=raw,value=latest
+      - 
+        name: Build and push
+        uses: docker/build-push-action@v6.18.0
+        with:
+          context: .
+          push: false
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/arm64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: |
+            BUILDKIT_INLINE_CACHE=1