Update publish-docker.yml

.github/workflows/publish-docker.yml

@@ -1,16 +1,17 @@
 name: Publish Docker
 
-    pull_request:
-        branches:
-            - 'develop'
-            - 'master'
+on: 
+  pull_request:
+        branches: 
+        - 'develop'
+        - 'master' 
+jobs:
     docker:
         runs-on: ubuntu-latest
         steps:
-            -
-                uses: FranzDiebold/github-env-vars-action@v2
-                name: Set Environment Variables
-                run: |
+            - uses: FranzDiebold/github-env-vars-action@v2
+            - name: Set Environment Variables
+              run: |
                     echo "BUILD_VER=v0.0.$GITHUB_RUN_NUMBER" >> $GITHUB_ENV
                     if [ ${{ CI_HED_REF }} = "master" ]
                     then
@@ -31,15 +32,15 @@ name: Publish Docker
                 name: Login to DockerHub
                 uses: docker/login-action@v1
                 with:
-                username: ${{ secrets.DOCKERHUB_USERNAME }}
-                password: ${{ secrets.DOCKERHUB_TOKEN }}
+                    username: ${{ secrets.DOCKERHUB_USERNAME }}
+                    password: ${{ secrets.DOCKERHUB_TOKEN }}
             -
                 name: Build and push
                 uses: docker/build-push-action@v2
                 with:
-                context: .
-                platforms: linux/amd64, linux/arm64
-                push: false
-                tags: |
-                    nusak/netmaker:${{ env.TAG }}
+                    context: .
+                    platforms: linux/amd64, linux/arm64
+                    push: false
+                    tags: |
+                        nusak/netmaker:${{ env.TAG }}