feature: Support for remote docker host

Author: samadwar

src/sagemaker/local/utils.py

@@ -144,5 +144,8 @@ def get_docker_host():
     docker_context_string = os.popen("docker context inspect").read()
     docker_context_host_url = json.loads(docker_context_string)[0]['Endpoints']['docker']['Host']
     parsed_url = urlparse(docker_context_host_url)
-    docker_host = parsed_url.hostname if parsed_url.hostname and parsed_url.scheme == "tcp" else "localhost"
+    if parsed_url.hostname and parsed_url.scheme == "tcp":
+        docker_host = parsed_url.hostname
+    else:
+        "localhost"
     return docker_host