Update docker.yml

.github/workflows/docker.yml

@@ -3,7 +3,7 @@ name: Create and publish a Docker image
 # Configures this workflow to run every time a change is pushed to a branch in the branches array.
 on:
   push:
-    branches: ['iron']
+    branches: ['main']
 
 # Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
 env:
@@ -40,6 +40,10 @@ jobs:
         uses: docker/metadata-action@v5
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          flavor: |
+            latest=auto
+            prefix=
+            suffix=Iron
       # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages.
       # It uses the `context` parameter to define the build's context as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)" in the README of the `docker/build-push-action` repository.
       # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.