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11 AppEngine.md

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App Engine

  • Fully managed serverless application platform
  • Can scale app seamlessly with zero serer management & zero CM
  • A developer can focus on more productivity and agile by supporting popular development
  • Youtube & Gmail
  • Famous language like PHP, Node.JS, Python, C#, .Net, Ruby & Go
  • Or bring your own language runtime.

Feature

  • Popular language
  • Open & flexible
    • Custom runtime allows the user to bring any library & framework to App Engine by supplying a docker container.
  • Fully managed
  • Monitoring, Logging & Diagnostics
    • Using google stack driver
  • Versioning
  • Traffic Splitting
    • Route incoming request to different app versions
    • A/B testing &do incremental feature rollouts
  • Application Security
    • Help safeguard app by access rules with app engine firewall and leverage managed SSL/TLS certificates
  • Service EcoSystem
  • Creating CI/CD pipelines for eco
  • Pay only what you use

App Engine Environment

  • Standard

    • Like Sandbox, secure
    • Containers are preconfigured with one of several available runtimes
    • 1GB storage free
    • Go, Java, PHP, Node.Js & Python
    • Each app in SE has an instance class, determines its compute resource & pricing

  • Flexible

    • For real based environment
    • Container-based
    • NO-ops part
    • Scaling possible
    • Support microservices
    • SQL & NoSQL
    • Supports Java 8, Python 27 & 3.6, Node.JS, Go, .Net, PHP, Ruby & Go Customised runtime.
    • its GCE VM , SSH can be used for debugging and deploying Customised Docker container.
    • Can specify amount of CPU and memory for each instance of app .

When to choose Standard

  • When sandbox
  • To deal with rapid scaling
  • optimal for app
    • Python 3.7, Java 8
  • Intended for low or free to use
  • Immediate scaling

When to choose Flexible

  • Docker Container on GCE VMs
  • Apps with consistent traffic , experience regular traffic fluctutaions, or meet the parameter for scalling up and down.
  • Python, Java, .NET, Node.JS, Ruby, PHP or .NET
  • Runs in Docker container that includes a Custom runtime or source code written in other programming language.
  • Depends of framework taht include native code
  • Access resources or services of GCP Projectresides in GCE network

Commands

  • Deploy App in AppEngine
gcloud app deploy
  • Deploy App browse
gcloud app browse -s [name]
  • Traffic Splitting
gcloud app services set-traffic default --splits 20210327t001232=20,20210326t235955=80 --split-by ip