diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 253178b7..64049490 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,7 +5,7 @@ on:
     inputs:
       version:
         description: Build with the given version.
-        default: v1.0.0
+        default: 0.1.0
         required: true
       app:
         type: choice
@@ -81,6 +81,13 @@ jobs:
             org.opencontainers.image.name=${{ env.IMAGE_NAME }}
             org.opencontainers.image.title=${{ env.SCOPE }}
             org.opencontainers.image.authors=Sumanth
+          tags: |
+            ## only enabled for v* tags:
+            type=semver,pattern={{ version }},enable=${{ startsWith(github.ref, 'refs/tags/v') }}
+            ## only enabled on workflow_dispatch:
+            type=semver,pattern={{version}},prefix=v,value=${{ github.event.inputs.version }},enable=${{ github.event_name == 'workflow_dispatch' }}
+            ## only enabled in main branch:
+            type=raw,value=latest,enable={{is_default_branch}}
       - name: Build and push Docker image
         uses: docker/build-push-action@v5
         with:
diff --git a/docs/docker.md b/docs/docker.md
index 6383b786..db3199de 100644
--- a/docs/docker.md
+++ b/docs/docker.md
@@ -108,3 +108,11 @@ Verify the image with Keyless mode
 #nerdctl pull --verify=cosign ghcr.io/xmlking/spectacular:$VERSION
 COSIGN_EXPERIMENTAL=1 cosign verify $DOCKER_IMAGE:$VERSION
 ```
+
+### GitHub Action
+Build environment variables are needed during docker build in `GitHub Action`  
+**TODO:** pass `GitHub Sectets` as described in `Reference` and [example 1](https://github.com/SSHOC/gl-autodevops-minimal-port/blob/main/.github/workflows/build-herokuish-and-push-to-registry.yaml#L95)
+
+## Reference
+- [Sharing environment variables using Github Action secrets](https://andrei-calazans.com/posts/2021-06-23-passing-secrets-github-actions-docker/)
+- [How to use Github Action secrets with your Docker image](https://medium.com/@brian978_dev/effortlessly-secure-passing-secrets-from-github-to-your-docker-image-f1df3b6d0e49)