Deployment and Release Management Questions

Practices and strategies for deploying infrastructure and application changes safely and predictably. Candidates should be familiar with deployment patterns such as blue green deployment, canary deployment, and rolling updates, techniques for achieving zero downtime deployments, and rollback strategies. The topic covers automation using continuous integration and continuous deployment pipelines, infrastructure as code, schema migration approaches, feature flagging, release gating, and the monitoring and observability needed to validate upgrades and recover from failures. Interviewers may explore planning for upgrades, handling database changes, managing configuration and secrets, and minimizing customer impact during deployments.