Choose your preferred environment
Standard environment
Optimized to scale nearly instantaneously to handle huge traffic spikes
Application can scale to 0 instances when there is no traffic. Most cost-effective for applications that have significant periods where they are not serving traffic
Fast deployment time
Ubuntu OS
The Go 1.11 runtime is no longer supported.
Flexible environment
Greater CPU and memory instance types
Can access resources in the same Compute Engine network
No free tier. Application always has a minimum number of running instances. Most cost-effective for applications that serve traffic continuously
Ubuntu OS
Choosing an environment
You can run an App Engine application in two environments, the standard environment and the flexible environment. See a summary of differences between the two environments.