Scenario 5: Write a script that takes the target environment as an input argument (`sys.argv`) and runs environment-specific deployment commands.

import sys

def deploy(environment):
    print(f"Initializing deployment configuration for: {environment.upper()}")
    
    if environment == "dev":
        print("Running: terraform apply -var-file=dev.tfvars")
    elif environment == "stage":
        print("Running: terraform apply -var-file=stage.tfvars")
    elif environment == "prod":
        print("CRITICAL: Executing Production deployment pipeline...")
        print("Running: terraform apply -var-file=prod.tfvars")
    else:
        print(f"Error: Unknown environment '{environment}'!")
        sys.exit(1)

if __name__ == "__main__":
    # Ensure environment argument is provided
    if len(sys.argv) < 2:
        print("Usage: python deploy.py <dev|stage|prod>")
        sys.exit(1)
        
    target_env = sys.argv[1].lower()
    deploy(target_env)