Glossary term
What is Spot instance? Meaning for developers
Cheap spare cloud capacity that can be taken back. Example: Up to ~90% cheaper for batch jobs.
Learn it properly · System DesignLesson 57: Cloud Fundamentals: Regions, AZs & ServerlessServers that once took months to order now take minutes — but the cloud has its own concepts, failure modes and surprise bills. Regions and availability zones, IaaS to SaaS, serverless and cold starts, the shared responsibility model, cost, and infrastructure as code.