advent22/api/advent22_api/app.py

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles

from .routers import router
from .settings import SETTINGS

app = FastAPI(
    title="Advent22 API",
    description="This API enables the `Advent22` service.",
    contact={
        "name": "Jörn-Michael Miehe",
        "email": "jmm@yavook.de",
    },
    license_info={
        "name": "MIT License",
        "url": "https://opensource.org/licenses/mit-license.php",
    },
    openapi_url=SETTINGS.openapi_url,
    docs_url=SETTINGS.docs_url,
    redoc_url=SETTINGS.redoc_url,
)


@app.on_event("startup")
async def add_middlewares() -> None:
    if SETTINGS.production_mode:
        # Mount frontend in production mode
        app.mount(
            path="/",
            app=StaticFiles(
                directory=SETTINGS.ui_directory,
                html=True,
            ),
            name="frontend",
        )

    else:
        # Allow CORS in debug mode
        app.add_middleware(
            CORSMiddleware,
            allow_origins=[
                "*",
            ],
            allow_credentials=True,
            allow_methods=["*"],
            allow_headers=["*"],
            expose_headers=["*"],
        )


app.include_router(router)