Idempotency

Read more about the article Optimizing API Calls to Reduce SaaS Costs: Six Levers That Actually Move the Bill

Optimizing API Calls to Reduce SaaS Costs: Six Levers That Actually Move the Bill

Third-party API spend is the one production signal with no error rate attached to it, which is why it creeps up quietly. This is a working engineer's guide to reducing SaaS API costs by changing the shape of your calls: reading the billing unit before you optimise anything, killing pointless polling with conditional requests and webhooks, collapsing N+1 patterns, caching with stampede protection and per-tenant keys, stopping your own retry amplification, and attributing spend so you can prove the work paid off.

Continue ReadingOptimizing API Calls to Reduce SaaS Costs: Six Levers That Actually Move the Bill
Read more about the article Bootstrap a VPS With Ansible in One Run Without Locking Yourself Out

Bootstrap a VPS With Ansible in One Run Without Locking Yourself Out

A single Ansible run can take a blank VPS to a hardened, reproducible server. The hard part is not the tasks, it is the order. Here is the ordering that keeps you logged in, the failures that pass green and bite two weeks later, and how to make the second run as safe as the first.

Continue ReadingBootstrap a VPS With Ansible in One Run Without Locking Yourself Out