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Engineering decisions.
Explained in practice.

Practical guides to reliable systems, from tenant isolation and integrations to AI retrieval and product operations.

Page 12 of 12 · Articles 133–135 of 135

Individual entry portals into separate spaces, illustrating custom domain routing.
SaaS · Infrastructure133

Custom domains in SaaS: ownership, routing and TLS

Model custom domain onboarding as a lifecycle, from verified ownership to secure routing and removal.

3 min readRead article
Connected system components with visible monitoring paths, illustrating observability.
Operations · Observability134

Backend observability: follow the user’s operation across services

Connect metrics, structured logs and traces to diagnose slow requests and failed background operations.

3 min readRead article
Two systems joined through a matching interface, illustrating an API contract.
APIs · Integration135

Designing API contracts that survive real integrations

Define schemas, errors, pagination and compatibility before a client depends on your API.

3 min readRead article