How Big Is Too Big? Downloading Large Files From an External System Through an LWC
Where the size ceiling sits when an LWC downloads a file through Apex, and the signed URL pattern to use beyond it.
Read ArticleI write up the Apex, Lightning Web Components, integration and Salesforce CLI problems I meet on client projects, with the sources, for the next person who hits them.
What sf project deploy start does, which flags matter, how a dry run differs from validate, which test level to pass, and what each error it throws means.
Why Salesforce callouts fail intermittently when the endpoint looks healthy, the exact exceptions to search for, and a classified retry design in Apex.
An anonymised Salesforce case study showing how migrating a complex Aura match-management interface to LWC reduced first usable load time from about 10 seconds to around 0.1 seconds.
When to use sf project deploy start, validate and quick so production releases stay fast and safe: decision matrix, failure modes and recovery playbook.
Set up headless Salesforce CLI authentication in GitHub Actions using JWT so CI can deploy without browser login prompts.
Salesforce CLI reliability playbook: JWT auth for CI, validate then quick deploy, test levels by org, sandbox deploys without tests, pending deployments.
I take on contract work: scoped Apex, Lightning Web Components, integration and deployment-pipeline deliverables, written by me and shipped with tests and documentation. If one of the articles above is close to your problem, the services page says how an engagement runs.