ci: container action

Signed-off-by: Henry Gressmann <[email protected]>

Author: explodingcamera

.github/workflows/container.yaml

@@ -2,18 +2,25 @@ name: "Build & Publish Container Image"
 
 on:
   workflow_dispatch:
+    inputs:
+      tag:
+        description: "Tag (e.g. liwan-v0.1.0)"
+        required: true
+        type: string
 
 jobs:
   docker-build:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.inputs.tag }}
       - name: Setup Docker Buildx
         uses: docker/setup-buildx-action@v1
       - name: Extract Semver
         id: semver
         run: |
-          SEMVER_VERSION=$(echo "${GITHUB_REF_NAME}" | sed 's/^liwan-v//')
+          SEMVER_VERSION=$(echo "${{ github.event.inputs.tag }}" | sed -E 's/liwan-v//')
           echo "SEMVER_VERSION=$SEMVER_VERSION" >> $GITHUB_OUTPUT
       - name: Setup Docker Metadata
         uses: docker/metadata-action@v5