Customer.io Multi-Environment Setup Overview Configure isolated Customer.io environments for dev, staging, and production: separate workspaces per environment, typed configuration with validation, environment-aware client wrappers, Kubernetes ConfigMap overlays, and data isolation verification. Prerequisites - Customer.io account with multiple workspaces (create at fly.customer.io) - Environment variable management (dotenv, secrets manager) - CI/CD pipeline for per-environment deployment Workspace Strategy | Environment | Workspace Name | Purpose | Dry Run | Data | |-------------|------------…