How to deploy your Python Web App on Google Cloud Platform by James Mwai

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Deploying your web Deploying your web app to Google Cloud app to Google Cloud

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About Me About Me Co-Founder/CTO Skygarden Co-Founder/CTO Skygarden Google Developer Expert for Cloud. Google Developer Expert for Cloud.

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App Engine Standard App Engine Flex Google Kubernetes Engine Google Cloud Functions Agenda

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Title Text Title Text

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Google's Platform as a Service

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Google's Platform as a Service Runs on Google's Infrastructure

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Google's Platform as a Service Runs on Google's Infrastructure Has support for multiple runtimes

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Google's Platform as a Service Runs on Google's Infrastructure Has support for multiple runtimes No Ops

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Google's Platform as a Service Runs on Google's Infrastructure Has support for multiple runtimes No Ops Has Standard and Flexible Environments

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Built-in Services Built-in Services Blob Storage

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Built-in Services Built-in Services Blob Storage Data Storage

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Built-in Services Built-in Services Blob Storage Data Storage Task Queueing

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Built-in Services Built-in Services Blob Storage Data Storage Task Queueing Pub/Sub

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Built-in Services Built-in Services Blob Storage Data Storage Task Queueing Pub/Sub Email

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Built-in Services Built-in Services Blob Storage Data Storage Task Queueing Pub/Sub Email Image manipulation

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Built-in Services Built-in Services Blob Storage Data Storage Task Queueing Pub/Sub Email Image manipulation Caching

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Built-in Services Built-in Services Blob Storage Data Storage Task Queueing Pub/Sub Email Image manipulation Caching

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Standard Standard Flexible Flexible

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Standard Standard - Speciﬁed runtimes; Java, Python, Go, Nodejs, PHP - No SSH debugging - Maximum request time 60 seconds - Cannot write to local disk - No background process - Can scale to 0 instances Flex Flex - Packages your app in Docker - Supports SSH debugging - Maximum request time 60 Minutes - You can write to local disk - Supports background process - Cannot scale to zero. Minimum 1 instance

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Project Structure Project Structure dispatch.yaml service3a.yaml service3b.yaml source files… service3/ service2.yaml source files… service2/ service1.yaml source files… service1/ /

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service.yaml service.yaml service: my-service runtime: python35 api_version: 1 instance_class: F2 automatic_scaling: target_cpu_utilization: 0.65 min_instances: 5 max_instances: 100 min_pending_latency: 30ms # default max_pending_latency: automatic max_concurrent_requests: 50 handlers:

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Cloud SDK Cloud SDK The main tool for interacting with Google Cloud Platform gcloud Tool - Auth, Conﬁg, Deploy gsutil Tool - Storage bq Tool - Big Query kubectl Tool - Kubernetes https://cloud.google.com/sdk/

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Demo Demo

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GKE GKE

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Google Kubernetes Engine Google Kubernetes Engine Managed, production-ready environment for deploying containerized applications

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Google Kubernetes Engine Google Kubernetes Engine Managed, production-ready environment for deploying containerized applications Easily get up and running with Kubernetes in no time

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Google Kubernetes Engine Google Kubernetes Engine Managed, production-ready environment for deploying containerized applications Easily get up and running with Kubernetes in no time No need to install, manage, and operate your own Kubernetes clusters.

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Concepts Concepts

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Docker Docker

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Container Registry Container Registry

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Kubernetes Kubernetes

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Kubernetes Cluster

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Pods Basic building blocks of Kubernetes.

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Pods Basic building blocks of Kubernetes. A pod is a collection of containers, storage and options dictating how the pod should run.

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Pods Basic building blocks of Kubernetes. A pod is a collection of containers, storage and options dictating how the pod should run. Pods are mortal and are expected to die in order to rebalance the cluster or to upgrade them. Each pod has a unique IP in the cluster and can listen on any ports required for your application.

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Deployment Deployment A Deployment is a copy of a replica set and pods.

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Deployment Deployment A Deployment is a copy of a replica set and pods. If a deployment changes, the cluster will automatically create a new replica set with the new version and will automatically live to upgrade your pods.

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Services Services Services enable discoverability of your pods from within and outside your cluster

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Services Services Services enable discoverability of your pods from within and outside your cluster A service uses a combination of labels and selectors to match the pods that it’s responsible for and then will balance over the to. Services can load balance inside a cluster using a service of type ‘ClusterIP’ or expose it to the outside world using a ‘NodePort’

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Demo Demo

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Cloud Functions Cloud Functions

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Event-driven serverless computing What are What are cloud cloud functions? functions?

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Event-driven serverless computing The simplest way to run your code in the cloud What are What are cloud cloud functions? functions?

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Event-driven serverless computing The simplest way to run your code in the cloud Automatically scales, highly available and fault tolerant What are What are cloud cloud functions? functions?

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Event-driven serverless computing The simplest way to run your code in the cloud Automatically scales, highly available and fault tolerant No servers to provision, manage, patch or update What are What are cloud cloud functions? functions?

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Event-driven serverless computing The simplest way to run your code in the cloud Automatically scales, highly available and fault tolerant No servers to provision, manage, patch or update Pay only while your code runs What are What are cloud cloud functions? functions?

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How they work How they work Responds to events Cloud Services Emit events Writes back Invokes other services Other APIs Cloud Functions

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Example Use cases Example Use cases HTTP Triggers Cloud Storage Triggers Cloud Pub/Sub Triggers Firebase Triggers