SRE Team what do they do?

Okay, that clarifies things significantly. You're responsible for getting the microservices and apps into the Stage environment, and then the Site Reliability Engineering (SRE) team takes over for the Production deployment. Let's focus on the SRE team's responsibilities and tasks in that context.

SRE Team's Responsibilities and Tasks (Stage to Production):

The SRE team's primary goal is to ensure the reliability, availability, and performance of the production environment. Here's a breakdown of their key tasks when taking over from Stage:

1. Production Readiness Assessment:

   • Stage Validation: They thoroughly assess the application's performance and stability in the Stage environment. This includes reviewing test results, logs, and monitoring data.

   • Capacity Planning: They determine if the production infrastructure has sufficient capacity to handle the application's load.

   • Risk Assessment: They identify and mitigate potential risks associated with the production deployment.

   • Configuration Review: They review all configuration changes made in Stage and ensure they are appropriate for Production.

2. Production Deployment:

   • Deployment Automation: They utilize automated deployment tools and pipelines to minimize human error and ensure consistency.

   • Deployment Strategy: They implement deployment strategies like blue/green deployments, canary releases, or rolling updates to minimize downtime and risk.

   • Configuration Management: They manage production configurations using tools like Ansible, Chef, or Puppet.

   • Infrastructure Provisioning: They provision and manage the production infrastructure using infrastructure-as-code tools.

3. Monitoring and Alerting:

   • Setting up Monitoring: They configure monitoring tools to track key performance indicators (KPIs), such as latency, error rates, and resource utilization.

   • Alerting Rules: They define alerting rules to notify the team of critical issues.

   • Log Aggregation and Analysis: They aggregate and analyze logs to identify patterns and troubleshoot problems.

   • Real User Monitoring (RUM): They implement RUM to track the user experience in production.

4. Incident Response:

   • Incident Management: They have a defined incident management process to respond to and resolve production incidents.

   • On-Call Rotation: They participate in an on-call rotation to provide 24/7 support.

   • Root Cause Analysis: They conduct root cause analysis (RCA) after incidents to prevent recurrence.

5. Performance Optimization:

   • Performance Tuning: They optimize the application and infrastructure for performance.

   • Capacity Planning: They continuously monitor and adjust capacity to meet demand.

   • Load Testing: They conduct load testing to identify performance bottlenecks.

6. Security and Compliance:

   • Security Audits: They conduct security audits to identify and mitigate vulnerabilities.

   • Compliance Monitoring: They ensure that the production environment complies with relevant regulations and standards.

7. Documentation and Knowledge Sharing:

   • Runbooks and Playbooks: They create and maintain runbooks and playbooks for common tasks and incident response.

   • Knowledge Sharing: They share knowledge and best practices with the development team.

Key Differences in Responsibility:

• Development Team (Your Team): Focuses on building and testing the application, ensuring it functions correctly in the Dev and Stage environments.

• SRE Team: Focuses on ensuring the reliability, availability, and performance of the application in the Production environment. They handle the transition from Stage to Production and manage the ongoing operation of the production system.

In essence, your team gets the application "ready for prime time," and the SRE team ensures that "prime time" runs smoothly.