renamed workflow and removed build step

.gitea/workflows/push.yaml

@@ -1,11 +1,9 @@
-name: Build and Push Docker Image
+name: Push Docker Image to container registry
 
 on:
   push:
     branches:
       - 'main'
-    paths:
-      - '**/Dockerfile'
 
 jobs:
   build-and-push:
@@ -19,10 +17,6 @@ jobs:
         run: |
           echo "${{ secrets.DOCKER_PASSWORD }}" | docker login ${{ secrets.LOCAL_INSTANCE_IP }} -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
 
-      - name: Build Docker image
-        run: |
-          docker build -t ${{ secrets.LOCAL_INSTANCE_IP }}/${{ secrets.DOCKER_USERNAME }}/devcontainer:latest -f Dockerfile .
-
       - name: Push Docker image
         run: |
-          docker push ${{ secrets.LOCAL_INSTANCE_IP }}/${{ secrets.DOCKER_USERNAME }}/devcontainer:latest
+          docker push ${{ secrets.LOCAL_INSTANCE_IP }}/${{ secrets.DOCKER_USERNAME }}/devcontainer:latest