Add bash script instead of inline

.gitea/workflows/publish-image.yaml

@@ -20,13 +20,6 @@ jobs:
           TAG: ${{ gitea.sha }}
         with:
           entrypoint: /bin/sh
-          args: -c "
-            buildah login -u $USERNAME -p $PASSWORD --tls-verify=false --storage-driver=vfs $REGISTRY && 
-            
-            buildah build --tls-verify=false --storage-driver=vfs -t $REGISTRY/$IMAGE:$TAG -t $REGISTRY/$IMAGE:latest . && 
-            
-            buildah push --tls-verify=false --storage-driver=vfs $REGISTRY/$IMAGE:$TAG &&
-
-            buildah push --tls-verify=false --storage-driver=vfs $REGISTRY/$IMAGE:latest
-            "
+          # We just tell it to run the script we checked out
+          args: ./build.sh