Deployment Strategies
Explore deployment strategies and tools
deployment
Last updated: 2024-03-20
Deployment Strategies
Learn about different deployment strategies and how to implement them effectively.
Blue-Green Deployment
graph TB
LB[Load Balancer]
Blue[Blue Environment]
Green[Green Environment]
Users[Users]
Users --> LB
LB --> Blue
LB -.-> Green
style Users fill:#f1f5f9,stroke:#64748b
style LB fill:#3b82f6,stroke:#2563eb,color:white
style Blue fill:#3b82f6,stroke:#2563eb,color:white
style Green fill:#f1f5f9,stroke:#64748b
Benefits
- Zero downtime deployments
- Easy rollback
- Reduced risk
Canary Deployment
graph LR
Users[Users]
LB[Load Balancer]
V1[Version 1 - 90%]
V2[Version 2 - 10%]
Users --> LB
LB --> V1
LB --> V2
style Users fill:#f1f5f9,stroke:#64748b
style LB fill:#3b82f6,stroke:#2563eb,color:white
style V1 fill:#3b82f6,stroke:#2563eb,color:white
style V2 fill:#f97316,stroke:#ea580c,color:white
Benefits
- Gradual rollout
- Early feedback
- Risk mitigation
Rolling Deployment
sequenceDiagram
participant LB as Load Balancer
participant P1 as Pod 1
participant P2 as Pod 2
participant P3 as Pod 3
Note over P1,P3: Initial State
LB->>P1: Route Traffic
LB->>P2: Route Traffic
LB->>P3: Route Traffic
Note over P1: Update Pod 1
LB--xP1: Stop Traffic
Note over P1: Deploy v2
LB->>P1: Resume Traffic
Note over P2: Update Pod 2
LB--xP2: Stop Traffic
Note over P2: Deploy v2
LB->>P2: Resume Traffic
Note over P3: Update Pod 3
LB--xP3: Stop Traffic
Note over P3: Deploy v2
LB->>P3: Resume Traffic
Benefits
- Continuous service
- Resource efficient
- Controlled rollout
Best Practices
-
Automation
- Use CI/CD pipelines
- Automate testing
- Infrastructure as Code
-
Monitoring
- Health checks
- Performance metrics
- Error tracking
-
Rollback Plan
- Version control
- Database migrations
- State management