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Instant Deploys

Using

Pycon Pakistan 2019

Mashhood Rastgar

@mashhoodr

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Hello!

I am Mashhood.

I lead the engineering team at Sastaticket.pk and am the lead conference organiser for Pycon Pakistan 2019. Also a Google Developer Expert.

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What is serverless?

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Let’s define the problem.

Managing infrastructure is hard!

Deployment is an important part of app development.

You can have a single huge deployment (and single huge failure)

Once in production, you need to scale.

Can be scaled vertically or horizontally.

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Can we do better?

A developer is mainly focused on building the product. Managing devops becomes a distraction.

#pyconpk

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Microservices?

Better, but not quite there.

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But...

We are still dependant on managing servers

And this requires effort, resources and expertise.

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Serverless of Present

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What is FaaS?

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Every provider supports it.

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FaaS has issues

Starting from breaking your whole app down into functions, restricted environments and limits on execution environments.

#pyconpk

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Google Cloud Run

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Containers

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Docker

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What are containers?

How do I deploy them?

Goal: to isolate an application and its dependencies into a self-contained unit that can run anywhere.

Docker is the most common way of running building and running containers.

1. Ease of use: Docker has made it much easier for anyone — developers, systems admins, architects and others — to take advantage of containers in order to quickly build and test portable applications. It allows anyone to package an application on their laptop, which in turn can run unmodified on any public cloud, private cloud, or even bare metal. The mantra is: “build once, run anywhere.”

2. Speed: Docker containers are very lightweight and fast. Since containers are just sandboxed environments running on the kernel, they take up fewer resources. You can create and run a Docker container in seconds, compared to VMs which might take longer because they have to boot up a full virtual operating system every time.

3. Docker Hub: Docker users also benefit from the increasingly rich ecosystem of Docker Hub, which you can think of as an “app store for Docker images.” Docker Hub has tens of thousands of public images created by the community that are readily available for use. It’s incredibly easy to search for images that meet your needs, ready to pull down and use with little-to-no modification.

4. Modularity and Scalability: Docker makes it easy to break out your application’s functionality into individual containers. For example, you might have your Postgres database running in one container and your Redis server in another while your Node.js app is in another. With Docker, it’s become easier to link these containers together to create your application, making it easy to scale or update components independently in the future.

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Virtual Machine

Containers

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Kubernetes Overview

Helps with deploying your code

Google backed tool announced in 2014.�

It is an open-source container-orchestration system for automating application deployment, scaling, and management.

What if we did not have to manage Kubernetes?

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Google Cloud Run

Cloud Run is a managed compute platform that automatically scales your stateless containers.

#pyconpk

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Why Google Cloud Run?

Container to production in seconds
Natively serverless
Any language, any library, any binary
Process web traffic or asynchronous events
Integrated logging and monitoring�….

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Let’s try it out!

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Next up, create an image

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Setup and deploy to GCP

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Can I automate this?

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Github Actions to rescue!

A beta service, which allows you to run scripts on different events
You can automate your CI/CD pipeline using it
Has predefined plugins to speed up the process
Is free (for the moment)

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Configuring the Action

Need to add a YAML config file
We have 4 main steps:

Authenticate
Build the image
Upload the image
Deploy to Cloud Run

Tutorial: http://bit.ly/cloudrun-githubaction

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Push to master...

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Summary

Setup a simple Django API
Setup Docker for the project so its containerized
Setup gcloud cli to deploy the code
Deployed the code to Google Cloud Run
Automated code deployments using Github Actions

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Thank You!

#pyconpk

Mashhood Rastgar

GDE Web / Angular

@mashhoodr

Slides: http://bit.ly/pyconpk19-gcloud-slides

Code: http://bit.ly/pyconpk19-gcloud-demo

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Colors & Fonts

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Google Sans 104px

Google Sans 64px

Google Sans 40px

Google Sans 30px

Color

#4285f4

#34a853

#fbbc05

#ea4335

Typography

#202124

#FFA65C

#D65BAD

#2254AF

#2DC4C0

#F8F9FA

#D2E3FC

#CEEAD6

#FEEFC3

#FAD2CF

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Template Slides Below

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protected void onTryUpdate(int reason) throws RetryException {

// Do some awesome stuff

int foo = 15;

publishArtwork(new Artwork.Builder()

.title(photo.name)

.imageUri(Uri.parse(photo.image_url))

.viewIntent(new Intent(Intent.ACTION_VIEW,

Uri.parse(“http://500px.com/photo/" + photo.id)))

.build());

scheduleUpdate(System.currentTimeMillis() + ROTATE_TIME_MILLIS);

}

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Headline goes here.

Subhead goes here.

Chart Data Source Info

End

Step

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This is a headline

This is body copy and it goes �a little like this and Lorem ipsum �dolor sit amet, consectetur.

#GDESummit2019

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This is a headline

This is body copy and it goes �a little like this and Lorem ipsum �dolor sit amet, consectetur.

#GDESummit2019

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This is a headline

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#GDESummit2019

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This is a headline

This is body copy and it goes �a little like this and Lorem ipsum �dolor sit amet, consectetur.

#GDESummit2019

Half screen photo slide if �text is necessary

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Thank You!

GDE Summit 2019

Speaker Name

GDE New York

@twitterhandle

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Graphics & Icons

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Android

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Actions

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History

Store

List

Wallet

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Backup

Document

Favorite 1

Open

Home

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Ratio

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Favorite 2

Grade/rate

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Language

Receipt

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