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What is Incident Management?

The process of detecting, responding to, and resolving service disruptions to minimize impact and restore normal operations.

Incident management follows a lifecycle: detection (alerts, user reports), triage (severity assessment), response (investigation, mitigation), resolution (fix applied), and post-mortem (blameless retrospective documenting what happened and how to prevent recurrence).

Key roles include Incident Commander (coordinates response), Communications Lead (updates stakeholders), and Subject Matter Experts (technical investigation). Tools include PagerDuty, OpsGenie, and Statuspage. SRE practices emphasize error budgets and toil reduction.

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An open-source monitoring and alerting toolkit that collects time-series metrics using a pull-based model.
Feature Flag
A technique that allows enabling or disabling features in production without deploying new code, enabling safe rollouts and A/B testing.
Service Discovery
A mechanism that automatically detects and tracks the network locations of service instances in distributed systems.
Continuous Deployment
A practice where every code change that passes automated tests is automatically deployed to production.
Kubernetes ConfigMap
A Kubernetes object that stores non-sensitive configuration data as key-value pairs, injected into pods as environment variables or files.
Environment Variable
A dynamic value stored outside the application code that configures behavior without hardcoding sensitive or environment-specific data.
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