Infrastructure Documentation:
- Describes the setup of servers, networks, databases, and other infrastructure components.
- Includes architecture diagrams, network layouts, and cloud resource descriptions.
- Often includes IaC code repositories and documentation on how to deploy infrastructure using Terraform or CloudFormation.
CI/CD Pipeline Documentation:
- Documents how the CI/CD pipelines are set up, including build, test, and deployment steps.
- Includes explanations of stages, triggers, environment configurations, and credentials.
- May provide instructions for developers to integrate new projects into existing pipelines.
Runbooks:
- Runbooks provide step-by-step procedures for managing common scenarios or incidents, such as server restarts, deployments, and handling outages.
- They are especially useful for on-call engineers to follow during incidents.
Monitoring and Alerting Setup:
- Contains details on how monitoring is set up, including metrics being tracked, alert thresholds, and dashboards.
- Includes instructions on using monitoring tools and understanding logs for debugging.
Deployment and Release Notes:
- Documents related to software releases, including deployment strategies (e.g., blue/green, canary releases).
- Release notes that outline what changes are in each release and any known issues or roll-back procedures.
Configuration Management Documentation:
- Documentation for tools like Ansible, Chef, or Puppet, detailing how servers and applications are configured and managed.
- Includes templates and playbooks used for automation.
Security and Compliance Documentation:
- Policies and best practices for security, including secrets management, SSL/TLS certificates, and access control setups.
- Compliance checklists for ensuring deployments adhere to regulatory requirements.
API Documentation:
- For internal and external services, this can include how different services interact, endpoints, authentication mechanisms, and data formats.
- Helpful when setting up integrations between different systems or troubleshooting issues related to APIs.
Incident Reports and Postmortems:
- After incidents or outages, DevOps Engineers document what happened, the root cause, how it was resolved, and recommendations to prevent future occurrences.
- These documents help improve the resilience of systems and processes over time.
Scripting and Automation Guides:
- Documentation that explains how scripts are written and used for tasks like deployment automation, data migration, or backups.
- Includes scripts for custom tools or automation processes used in the DevOps workflow.