Customize OpenAPI schema

app/main.py

@@ -1,5 +1,6 @@
 from dotenv import load_dotenv
 from fastapi import FastAPI
+from fastapi.openapi.utils import get_openapi
 from starlette.middleware.authentication import AuthenticationMiddleware
 
 load_dotenv()
@@ -23,6 +24,18 @@ def create_ocpp_app():
     
     return app_ocpp
 
+def custom_openapi():
+    if app.openapi_schema:
+        return app.openapi_schema
+    openapi_schema = get_openapi(
+        title="simple-ocpp-cs",
+        version="0.1.0",
+        summary="Simple implementation of a basic OCPP 2.0.1 compliant central system (backend) for EV charging stations",
+        routes=app.routes,
+    )
+    app.openapi_schema = openapi_schema
+    return app.openapi_schema
+
 def create_app():
     app = FastAPI(
         responses={404: {"description": "Not found"}},
@@ -34,6 +47,7 @@ def create_app():
     app.include_router(meter_value_v1.router, prefix="/v1")
     app.include_router(transaction_v1.router, prefix="/v1")
     app.mount(path="/v1/ocpp", app=create_ocpp_app())
+    app.openapi = custom_openapi
 
     return app