fastapi service example

examples/service-fastapi/jupyterhub_config.py

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+import os
+
+service = {
+    "name": "fastapi",
+    "url": "http://127.0.0.1:10202",
+    "command": ["uvicorn", "app:app", "--port", "10202"],
+}
+# If running behind a proxy, or in Docker / Kubernetes infrastructure,
+# you probably need to set a different public Hub host than the
+# internal JUPYTERHUB_API_URL host
+if "PUBLIC_HOST" in os.environ:
+    public_host = os.environ["PUBLIC_HOST"]
+    service["oauth_redirect_uri"] = f"{public_host}/services/fastapi/oauth_callback"
+    service["environment"] = {"PUBLIC_HOST": public_host}
+
+c.JupyterHub.services = [service]