Adaptive skill practice — find your level, get sharper.
Hosting & Deployment practice
How software actually ships to production
The practical craft of shipping web apps — DNS and domains, TLS/HTTPS and certificates, CDNs and the edge, the compute models (serverless vs containers vs VMs vs PaaS) and cold starts, CI/CD pipelines and immutable artifacts, environment configuration and secrets, and zero-downtime release strategies (blue-green, canary, rolling) with rollback and observability. Scoped to how software ships — distributed-systems theory belongs to System Design and cluster internals to Kubernetes. Part of the Developer track.
• Meets you at your level — never too easy, never too hard.
• Adapts every question to how you’re doing.
• Tracks your level over time. Skill practice, not a test.
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