fix: The workflow file is updated.

.github/workflows/build-docker.yaml

@@ -3,20 +3,21 @@ name: Build and Push Docker Image
 on:
   push:
     branches: [ "main" ]
-  workflow_dispatch:
+  workflow_dispatch: # This allows manual triggering of the workflow
 
 jobs:
   build:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Checkout code
+      uses: actions/checkout@v3
 
     - name: Login to DockerHub
       env:
         DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
         DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
-      run: echo $DOCKER_PASSWORD | docker login -u $DOCKER_USERNAME --password-stdin
+      run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
 
     - name: Build the Docker image
       run: docker build -t surajkumar00/devops-url2qr-api .