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An Introduction to Cloud Development and Engineering

A full introduction to the world of cloud development.

Elliot Forbes and Alan Reid

This book provides a gentle introduction to the world of cloud development. We will be taking an in-depth look at concepts such as Load balancers, Lambdas and containerization and how they can be applied to real-world applications.

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About

About

About the Book

An Introduction to Cloud Development gives a very simple introduction to all the core concepts used by teams moving their monolithic applications to a cloud-native solution.

We'll be following along the story of how Gemma managed to transform a fictional online comic-book store from a monolithic application to a series of cloud-ready microservices that utilize a number of industry standard tools such as EC2, Load Balancers, Docker and more.

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Author

About the Authors

Elliot Forbes

I'm a 24 year old software engineer who works in Cloud Services at one of the leading financial institutions. My primary job is to work with teams and help them to move off of legacy infrastructure and in to the cloud.

I've previously written and published, Learning Concurrency with Python under Packt Publishing's banner and I also own and manage https://tutorialedge.net. TutorialEdge gets around a quarter of a million developers a year visiting the site and is growing steadily.

If you want to chat to me feel free to follow me on twitter and send me a message or connect on LinkedIn: https://www.linkedin.com/in/elliotforbes/

Alan Reid

Contents

Table of Contents

1.Introduction

  1. 1.1Book Goals
  2. 1.2Preamble
  3. About the Author
  4. Contacting the Author
  5. Source Code
  6. Glossary

2.Cloud Platforms

  1. 2.1IAAS
  2. 2.2PAAS
  3. 2.3FAAS
  4. 2.4SAAS
  5. 2.5Public Cloud vs Private Cloud
  6. Hybrid Cloud Offerings
  7. 2.6Conclusion

3.Load Balancers and Auto Scalers

  1. 3.1Introduction
  2. 3.2Load Balancers
  3. Types of Load Balancer
  4. 3.3Deployment Practices
  5. Green-Blue Deployment
  6. Step 1
  7. Canary Testing
  8. Feature Flags
  9. 3.4Auto Scalers
  10. Stateless vs Stateful Applications
  11. Horizontal vs Vertical
  12. 3.5Summary

4.The Cloud 12 Factors

  1. 4.1Codebase
  2. Typical Flow:
  3. 4.2Dependencies
  4. Benefits
  5. 4.3Config
  6. Environment Variables in Practice
  7. 4.4Backing Services
  8. 4.5Build, release, run
  9. 4.6Processes
  10. 4.7Port binding
  11. 4.8Concurrency
  12. 4.9Disposability
  13. 4.10Dev/prod parity
  14. 4.11Logs
  15. Piping to Off Platform Logging Systems
  16. 4.12Admin Processes

5.Containerization

  1. 5.1Introduction
  2. 5.2Containerization
  3. The Benefits of Containerization
  4. 5.3Images
  5. 5.4Container Lifecycle + Persistance
  6. 5.5How Containers were used at The Comic Co.
  7. 5.6Dependency and Environment Hell
  8. III. Config — 12 Factor Applications
  9. 5.7The Issue
  10. 5.8The Solution — Docker
  11. 5.9Running Their App
  12. 5.10Running The Account Service
  13. 5.11Dealing With Multiple Environments
  14. 5.12Conclusion

6.Container Management with Kubernetes

  1. 6.1Introduction
  2. 6.2A Basic Example
  3. A Simple Docker Based Application
  4. 6.3Pods
  5. 6.4Services
  6. 6.5Ingress
  7. 6.6Readiness + Liveliness Endpoints
  8. The Liveliness Endpoint
  9. Readiness Endpoint
  10. 6.7Conclusion

7.Serverless

  1. 7.1Functions as a Service
  2. 7.2Intro to Lambdas
  3. Anatomy of a Lambda Function
  4. Triggering Lambda Functions
  5. Writing Lambda Function
  6. 7.3Developing and Deploying Lambda Functions
  7. Deploying Lambda Functions
  8. 7.4API Gateway
  9. Amazon API Gateway Data-Transfer-Out Rates
  10. Deployments
  11. 7.5Monitoring and Alerting
  12. Debugging Nightmares
  13. Storing Log Files
  14. Limitations of Lambda
  15. Workarounds
  16. 7.6Social Media promotion with SQS
  17. 7.7Summary

8.Building Cross Cloud Applications

  1. 8.1An Introduction to Terraform
  2. 8.2Conclusion

9.Conclusion

  1. 9.1What the Future Brings
  2. 9.2Conclusion

Causes

Causes Supported

Electronic Frontier Foundation

Electronic Frontier Foundation

Defending your civil liberties in a digital world.

https://www.eff.org/
Based in San Francisco, EFF is a donor-supported membership organization working to protect fundamental rights regardless of technology.
From the Internet to the iPod, technologies are transforming our society and empowering us as speakers, citizens, creators, and consumers. When our freedoms in the networked world come under attack, the Electronic Frontier Foundation (EFF) is the first line of defense. EFF broke new ground when it was founded in 1990—well before the Internet was on most people's radar—and continues to confront cutting-edge issues defending free speech, privacy, innovation, and consumer rights today. From the beginning, EFF has championed the public interest in every critical battle affecting digital rights.

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