Add FastAPI example app (#106)

Author: vrslev

examples/fastapi_app.py

@@ -0,0 +1,30 @@
+from __future__ import annotations
+import typing
+
+from microbootstrap.bootstrappers.fastapi import FastApiBootstrapper
+from microbootstrap.granian_server import create_granian_server
+from microbootstrap.settings import FastApiSettings
+
+
+if typing.TYPE_CHECKING:
+    import fastapi
+
+
+class Settings(FastApiSettings): ...
+
+
+settings = Settings()
+
+
+def create_app() -> fastapi.FastAPI:
+    app = FastApiBootstrapper(settings).bootstrap()
+
+    @app.get("/")
+    async def hello_world() -> dict[str, str]:
+        return {"hello": "world"}
+
+    return app
+
+
+if __name__ == "__main__":
+    create_granian_server("examples.fastapi_app:create_app", settings, factory=True).serve()