Helpful MEAN Stack Tutorials
September 17, 2026 · StackPilots
Stripe retries. Events arrive twice and out of order. Here is the pattern we install in client MEAN apps: raw-body signature verification, a unique-indexed event ledger, transactional handlers and a MongoDB outbox for side effects, plus an Angular 22 client that shows the honest state.
Read moreSeptember 16, 2026 · StackPilots
Stop streaming files through Express. A production upload pipeline for the MEAN stack: server-signed S3 PUTs, a quarantine bucket, magic-byte sniffing in a BullMQ worker, multipart for large files, and an Angular 22 signals client with progress and cancel.
Read moreSeptember 15, 2026 · StackPilots
The pattern we ship when a client says "it has to use our single sign-on": OIDC Authorization Code flow with PKCE terminated on Express 5, HttpOnly cookie sessions instead of browser-held tokens, IdP groups mapped to MongoDB roles, and signal-based role guards in Angular 22.
Read moreSeptember 14, 2026 · StackPilots
Stop hand-writing Angular interfaces. Generate an OpenAPI 3.1 document from the Zod schemas your Express 5 API already validates with, generate a typed Angular 22 client from that, and fail CI when the contract drifts.
Read moreSeptember 14, 2026 · StackPilots
Disk encryption does not stop a DBA, a backup file or a compromised app server from reading personal data. Here is how to wire MongoDB 8 Queryable Encryption into a MEAN app end to end: KMS keys, DEKs, an encrypted schema map, Express 5 routes and the Angular 22 rules that keep the work from being undone.
Read more