user-service/app/main.py

from fastapi import FastAPI
import app.utils.database
from starlette.exceptions import HTTPException
from fastapi.exceptions import RequestValidationError
from app.utils.app_logger.exception_handlers import (
    request_validation_exception_handler,
    http_exception_handler,
    unhandled_exception_handler,
)
from app.utils.app_logger.middleware import log_request_middleware
from app.routers import user_router
from fastapi.middleware.cors import CORSMiddleware

# initialize app
app = FastAPI()

# allow cors
origins = ["*"]

app.add_middleware(
    CORSMiddleware,
    allow_origins=origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# initialize logger
app.middleware("http")(log_request_middleware)
app.add_exception_handler(RequestValidationError,
                          request_validation_exception_handler)
app.add_exception_handler(HTTPException, http_exception_handler)
app.add_exception_handler(Exception, unhandled_exception_handler)

# initialize base routes


@app.get("/")
def health_check():
    return {"msg": "Welcome to user service"}


@app.get("/user/openapi.json", include_in_schema=False)
def custom_swagger_ui_html():
    return app.openapi()


# initialize user router
app.include_router(user_router.router, prefix="", tags=["Users"])