Added image tag

Author: komalagrawaljain

.github/workflows/main.yml

@@ -5,6 +5,12 @@ on:
     branches:
       - main
   pull_request:
+  workflow_dispatch:
+    inputs:
+      image_tag:
+        description: 'Image tag name'
+        required: false
+        default: 'latest'
 
 jobs:
   build:
@@ -93,8 +99,10 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Push Docker image to DockerHub
+        env:
+          IMAGE_TAG: ${{ github.event.inputs.image_tag || 'latest' }}
         run: |
           COMMIT_HASH=$(echo ${{ github.sha }} | cut -c1-7)
-          docker tag docker.io/${{ vars.DOCKERHUB_USERNAME }}/sysfoo:$COMMIT_HASH docker.io/${{ vars.DOCKERHUB_USERNAME }}/sysfoo:latest
+          docker tag docker.io/${{ vars.DOCKERHUB_USERNAME }}/sysfoo:$COMMIT_HASH docker.io/${{ vars.DOCKERHUB_USERNAME }}/sysfoo:$IMAGE_TAG
           docker push docker.io/${{ vars.DOCKERHUB_USERNAME }}/sysfoo:$COMMIT_HASH
-          docker push docker.io/${{ vars.DOCKERHUB_USERNAME }}/sysfoo:latest          
+          docker push docker.io/${{ vars.DOCKERHUB_USERNAME }}/sysfoo:$IMAGE_TAG