App Engine

Description:

• PaaS
• Use this
• Automatic load balancing
• Just write the code, no need to worry about hardware
• App engine Flexible supports custom container
• Batch app
• mem cache? cache queries
• Cloud task?
  • perform work asyn outside user request
• gcloud app
  • gcloud app create
  • gcloud app deploy

Feature	Standard Environment	Flexible Environment
Managed	Yes	No
Languages	Python, Java, Node.js, PHP, Ruby, Go	Any
Scaling	Automatic	Manual
Built-in services	Yes	No
Pay-per-use	Yes	No
Security restrictions	More	Less
Control	Less	More
Cost	Lower for bursty workloads	Higher
Custom image	No	Yes

1. Dashboard:

• 1 project has 1 App Engine app
• 1 app has 1 or more services

2. Services:

• 1 service has 1 or more versions

3. Versions:

• 1 version has 1 or more instances
• Can have multiple version and split traffic between them
  • tag --no-promote

4. Instances:

• GCP Virtual machines