3.3.3 Approved Versions for Integration Testing

$LATEST → mutable, always latest code
Version 1, 2, 3... → immutable snapshots

Alias "dev"  → $LATEST
Alias "test" → Version 5 (approved for testing)
Alias "prod" → Version 4 (current production)

my-app:latest    → Development
my-app:v1.2.3    → Specific version (immutable)
my-app:staging   → Staging environment
my-app:prod      → Production

# Tag and push specific version
docker tag my-app:latest 123456789012.dkr.ecr.us-east-1.amazonaws.com/my-app:v1.2.3
docker push 123456789012.dkr.ecr.us-east-1.amazonaws.com/my-app:v1.2.3

main     → Production
develop  → Development
feature/* → Preview environments

// Amplify Auth example
import { Amplify } from 'aws-amplify';
import { signIn } from 'aws-amplify/auth';

const user = await signIn({
  username: '[email]',
  password: 'password123'
});

copilot env init --name test --profile aws-test
copilot env init --name prod --profile aws-prod
copilot svc deploy --env test