update workflow

Author: Pratap2018

.github/workflows/workflow.yaml

@@ -0,0 +1,37 @@
+name: Txn Processor Controller Build/Release Workflow
+
+on:
+  push:
+    tags:
+    - "[0-9]+.[0-9]+.[0-9]+"
+    - "[0-9]+.[0-9]+.[0-9]-rc.[0-9]+"
+
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+    - name: Set Latest Tag
+      run: echo "LATEST_RELEASE_TAG=$(git describe --tags --abbrev=0)" >> $GITHUB_ENV
+
+    - name: Log in to GitHub Container Registry
+      uses: docker/login-action@v1
+      with:
+        registry: ghcr.io
+        username: ${{ github.repository_owner }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - name: Build and push Docker image
+      uses: docker/build-push-action@v2
+      with:
+        context: .
+        push: true
+        tags: ghcr.io/${{ github.repository_owner }}/your_image_name:${{ env.LATEST_RELEASE_TAG }}