Add WF

.github/workflows/build-and-push.yml

@@ -0,0 +1,18 @@
+name: Build and Push Docker Image
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout code
+        uses: actions/checkout@v4
+      -
+        name: Parse Caddy version
+        id: version
+        run: echo "VERSION=$(grep -Eo 'caddy:[0-9]+\.[0-9]+\.[0-9]+$' caddy-cloudflare/Dockerfile | cut -d ':' -f2)"  >> $GITHUB_ENV