app.yaml

runtime: python310
instance_class: F1
# disable automatic scaling to avoid incurring costs
automatic_scaling:
  target_cpu_utilization: 0.65
  min_instances: 0
  max_instances: 1
  min_pending_latency: 30ms  # default value
  max_pending_latency: automatic
  max_concurrent_requests: 50

handlers:
- url: /(.*\.css)
  mime_type: text/css
  static_files: public/\1
  upload: public/(.*\.css)

- url: /(.+)/
  static_files: public/\1/index.html
  upload: public/(.+)/index.html

- url: /
  static_files: public/index.html
  upload: public/index.html

- url: /([^\.]+)([^/])
  static_files: public/\1\2/index.html
  upload: public/(.+)

- url: /(.+)
  static_files: public/\1
  upload: public/(.+)
  
error_handlers:
  - file: default_error.html