Host multiple versions of your app Create dev, test, staging, prod environments Google App Engine a powerful serverless platform, to build apps that scale automatically Fully Managed Fully managed environment Focus on code, App Engine manages infra Monitoring, Logging & Diagnostics Stackdriver for application diagnostics, debugging and monitoring Traffic Splitting Route incoming requests to different app versions A/B testing, Incremental feature rollouts Application Security Access rules with App Engine firewall Custom domains with managed SSL/TLS certs Popular Languages Fully Managed Monitoring, Logging & Diagnostics Application Versioning Traffic Splitting Application Security