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    Blue-Green Deployment Automation

    Acceleration
    Phase: deploy
    DF
    MTTR

    Quick Reference

    Phase
    deploy
    Epic
    Progressive Delivery & Advanced Deployment
    Milestone
    Acceleration
    Target
    >= 60% services support blue-green
    Implementation Time
    Part of Progressive Delivery & Advanced Deployment epic: 5 weeks (48 hours per capability avg)

    What & Why

    Definition

    >= 60% of stateless services support instant blue-green cutover with automated traffic switching and rollback capability.

    Business Value

    Reduces deployment risk by 85% and enables automatic rollback within 60 seconds of anomaly detection through canary deployments and metric monitoring Achieving >= 60% services support blue-green is a key milestone toward this goal.

    Context

    This capability is part of the Acceleration milestone's focus on scale automation, embed compliance, improve speed & reliability. Essential for teams targeting DF, MTTR improvements.

    Success Criteria

    Target

    >= 60% services support blue-green

    Measurement

    Blue-green capability coverage

    Evidence

    • Load balancer config
    • Blue-green cutover logs
    • Rollback execution time

    In Practice

    Real-World Implementation

    Teams deploy new version to green environment, run smoke tests, switch load balancer to green, keep blue for 1hr for instant rollback if needed.

    Concrete Example

    Deploy v1.8.0 to green. Smoke tests pass. LB switches to green 3:00pm. Traffic 100% on green. Issue detected 3:15pm. LB switches back to blue in 30 seconds.

    Implementation Guide

    Prerequisites

    Zero-Downtime Deployment
    >= 80% deployments zero downtime

    Implementation Steps

    Follow the measurement approach: Blue-green capability coverage

    For detailed step-by-step guidance, refer to the Progressive Delivery & Advanced Deployment Implementation Kit.

    Resources

    Implementation Kit

    Progressive Delivery & Advanced Deployment Kit

    Templates

    Browse all templates

    Related Resources

    View learning paths

    Related Capabilities

    Prerequisites

    Implement these first

    Zero-Downtime Deployment

    Complementary

    Often adopted together, from the Progressive Delivery & Advanced Deployment epic

    Automated Canary Deployments
    GitOps Deployment Model
    Automated Progressive Traffic Shifting

    Troubleshooting & FAQs

    Common Issues

    Issue: Target metric not improving

    Solution: Verify measurement is accurate, check if prerequisites are fully implemented, review evidence artifacts for completeness

    Issue: Team resistance to adoption

    Solution: Start with pilot team, demonstrate value with metrics, provide training and support during transition

    Issue: Inconsistent implementation across teams

    Solution: Create shared templates and guidelines, establish regular sync meetings, use automation to enforce standards

    Frequently Asked Questions

    Can we implement this before completing prerequisites?

    While possible, it's not recommended. Prerequisites ensure foundational practices are in place, making this capability more effective and easier to adopt.

    How long does implementation typically take?

    Most capabilities can be implemented within 90 days when tackled as part of the Acceleration milestone. Individual timelines vary based on team size and existing practices.

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