runtime: nodejs env: flex # https://cloud.google.com/appengine/docs/flexible/nodejs/configuring-your-app-with-app-yaml automatic_scaling: min_num_instances: 1 max_num_instances: 4 cool_down_period_sec: 180 resources: cpu: 1 memory_gb: 0.5 disk_size_gb: 10 network: session_affinity: true