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Graph/fastapi

Component

fastapi

fastapi

fastapi

Node Details

Public graph metadata

Updated4/30/2026

PageRank0.0022

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50 linked nodes

WRITTEN_INLanguage

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RELATES_TOSolution

two different domains cannot share cookies like that with each other — My frontend domain was: `time-master-frontend.vercel.app` My Backend domain was: `time-master-backend.vercel.app`. Tension: because they both are of different domains? Outcome: they need to be a subdomain or be one the same domain.

RELATES_TORootCause

some events are asynchronous and not come from a frontend request — stripe webhooks system to update the user infos in the db. Tension: not come from a frontend request.

RELATES_TORootCause

by default, a cookie set on `api.mydomain.com` is not available on any other subdomain — such as `portal.mydomain.com`. Tension: To make a cookie available on all subdomains, you must explicitly set the domain to `.mydomain.com`. Outcome: you must explicitly set the domain to `.mydomain.com`.

RELATES_TOProblem

Protect FastAPI routes so that authenticated users without the required permissions/roles cannot access specific endpoints.

FIXED_BYProblem

objects seem to be assumed to arrive in the body in `fastapi` — I'm trying to receive a nontrivial query parameter object. Tension: I've had to do something like this on the server. Outcome: it would be nice for `fastapi` to do this for me directly in the function declaration.

OCCURS_ONProblem

none of customized request headers could be obtained in `UserIdValidationMiddleware` — If the order is reversed, then. Tension: It is not on the axios side. Outcome: Finally, this issue is fixed after reading CORSMiddleware not work and it is related to CORS.

OCCURS_ONProblem

it says `404 not found` — I succesfully deployed my FastAPI app to azure, but when I try to access the routes. Tension: However, when I tested the same routes locally, they worked. Outcome: I've successfully deployed your code to Azure Web App and have been able to access the routes.

INVOLVESProblem

Outcome: This is probably directly causing the error you see.

INVOLVESSolution

You can use this code to achive this. Tension: only one type of account can be logged in in swagger ui. Outcome: class ShopOAuth2PasswordBearer(OAuth2PasswordBearer): pass class UserOAuth2PasswordBearer(OAuth2PasswordBearer): pass.

INVOLVESProblem

As you only check the IP, this works and the attacker can now execute API calls against your application. — an attacker has control of a malicous site. Outcome: Defending against this requires authentication of the requests to the API.

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ENRICHESSolution

You can use `@model_serializer` to achieve this: — This will work as a FastAPI response model. Tension: but will still generate an unnested JSON schema in the OpenAPI documentation. Outcome: return {k: v for k, v in model_iter(self)}.

ENRICHESSolution

The easy way is to have the function return another function — `verify_token("red")` returns a callable with the right syntax and type annotations. Tension: FastAPI can use it as a dependency.

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IMPLEMENTATION_OFRootCause

`app/main.py` for FastAPI. Outcome: Move the initialization of `qdrant_client` into lifespan and refactor your code to get `qdrant_client` as a dependency.

PRESENTSSolution

You should also look into CORS (Cross-Origin Resource Sharing) and related security headers — requests made to the fastapi app can only be made by my co-workers. Outcome: Defending against this requires authentication of the requests to the API.

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fastapi_cloudauth

AFFECTSRootCause

catch(error => error.response.data) converts rejected requests into resolved values, so React Query never sees a mutation failure

AFFECTSRootCause

FastAPI's RedirectSlashes middleware redirects /api/users to /api/users/ locally, but Vercel's proxy or edge stack handles the trailing slash differently and may strip or loop the redirect

AFFECTSRootCause

You're mixing use of the Firestore client SDK `firebase/firestore` and the Firebase admin SDK wrapper `firebase-admin/firestore`. — `/api/stripe-connect/route.ts`. Tension: They are not compatible with each other. Outcome: The admin SDK doesn't expose functions like `doc()` and `collection()`.

AFFECTSRootCause

It's possible that environment variables are messing with the code — on Project Settings > Environment Variables. Outcome: make sure to check them on Project Settings > Environment Variables.

AFFECTSRootCause

Route Handlers are cached by default when using the `GET` method with the Response object in Next.js 14 — This behavior was changed in Next.js 15. Tension: when using the `GET` method with the Response object. Outcome: you won't need any of this if you upgrade to Next.js 15.

AFFECTSRootCause

server: Vercel. Tension: First, from `http://fiziokaspars.lv` to `https://fiziokaspars.l. Outcome: Remove redundant redirects from next.config.ts to avoid conflicts.

AFFECTSRootCause

the `--prebuilt` tag prevents the whole source code to be shared/deployed to Vercel — deploy a FastAPI app using Github Actions to Vercel. Tension: Vercel can’t detect `.vercel/output/builds.json` file/folder ev. Outcome: according to the docs https://vercel.com/docs/cli/build.

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