🚑 Compute full Dockerfile path for trampoline

Author: webknjaz

create-docker-action.py

@@ -10,10 +10,12 @@
 REPO_ID = os.environ['REPO_ID']
 REPO_ID_GH_ACTION = '178055147'
 
+ACTION_SHELL_CHECKOUT_PATH = pathlib.Path(__file__).parent.resolve()
+
 
 def set_image(ref: str, repo: str, repo_id: str) -> str:
     if repo_id == REPO_ID_GH_ACTION:
-        return '../../../Dockerfile'
+        return str(ACTION_SHELL_CHECKOUT_PATH / 'Dockerfile')
     docker_ref = ref.replace('/', '-')
     return f'docker://ghcr.io/{repo}:{docker_ref}'