Developer { # Developer
n1: circle label:"Start"
n2: rectangle label:"Push code to repository"
n3: rectangle label:"Review pipeline status"
n4: rectangle label:"Merge to main branch"
n5: circle label:"End"
n1.handle(right) -> n2.handle(left)
n2.handle(bottom) -> CI.n6.handle(top) [label="Trigger build"]
n3.handle(right) -> n4.handle(left)
n4.handle(bottom) -> CD.n18.handle(top) [label="Deploy"]
}
CI { # Continuous Integration
n6: rectangle label:"Checkout source code"
n7: rectangle label:"Install dependencies"
n8: rectangle label:"Run linting checks"
n9: diamond label:"Lint passed?"
n10: rectangle label:"Run unit tests"
n11: diamond label:"Tests passed?"
n12: rectangle label:"Build artifacts"
n13: rectangle label:"Push to artifact registry"
n14: rectangle label:"Notify build failure"
n6.handle(right) -> n7.handle(left)
n7.handle(right) -> n8.handle(left)
n8.handle(right) -> n9.handle(left)
n9.handle(right) -> n10.handle(left) [label="Yes"]
n9.handle(bottom) -> n14.handle(top) [label="No"]
n10.handle(right) -> n11.handle(left)
n11.handle(right) -> n12.handle(left) [label="Yes"]
n11.handle(bottom) -> n14.handle(top) [label="No"]
n12.handle(right) -> n13.handle(left)
n13.handle(top) -> Developer.n3.handle(bottom) [label="Build ready"]
n14.handle(top) -> Developer.n3.handle(bottom) [label="Failed"]
}
CD { # Continuous Deployment
n15: rectangle label:"Pull latest artifacts"
n16: rectangle label:"Deploy to staging"
n17: diamond label:"Staging tests pass?"
n18: rectangle label:"Deploy to production"
n19: rectangle label:"Run smoke tests"
n20: diamond label:"Health check OK?"
n21: rectangle label:"Update load balancer"
n22: rectangle label:"Rollback deployment"
n15.handle(right) -> n16.handle(left)
n16.handle(right) -> n17.handle(left)
n17.handle(right) -> n18.handle(left) [label="Yes"]
n17.handle(bottom) -> n22.handle(top) [label="No"]
n18.handle(right) -> n19.handle(left)
n19.handle(right) -> n20.handle(left)
n20.handle(right) -> n21.handle(left) [label="Yes"]
n20.handle(bottom) -> n22.handle(top) [label="No"]
n21.handle(top) -> Developer.n5.handle(bottom) [label="Live"]
n22.handle(top) -> Developer.n3.handle(bottom) [label="Rolled back"]
}