First Serverless Application with Python

by Takatomo Honda

A serverless application is an application that can be run without a server. Since it starts only when necessary, it has a cost merit in that it only costs as much as it takes to start, it does not go down, and the current application can be used as it is. There are various benefits. The goal of this document is to create and publish the following applications starting from scratch in Python. - "Serverless Blog Application" - "Serverless Bot that automatically collects KPI from the blog application database and records it in Google SpreadSheet every day" - "Serverless Slack Bot that automatically notifies slack of aggregated KPIs every day" By reading this book to the end, the goal is to acquire the ability to create such services. Content 1. Introduction 2. Completed image of Serverless applications 3. Benefits of Serverless Applications 4. AWS for Serverless Applications 5. Overall structure of the application 6. PipEnv Deployment 7. Creating a Virtual Environment 8. Introduction of Flask 9. Introduction to PynamoDB 10. Creating the PynamoDB Model 11. Creating Views 12. Creating a Template 13. Creating a static file 14. Creating a Login Function 15. Creating the Flask Application File 16. Creating the Flask Startup File 17. Dynamodb Local Deployment 18. Creating Scripts 19. Verifying if the Application Works Locally 20. Creating the AWS IAM 21. Use environment variables to switch between development and production environments 22. Serverless library zappa deployment 23. Creating AWS IAM for zappa 24. Creating the zappa config file 25. Deploying a Serverless application 26. Creating a Serverless bot that records the number of articles in a Google SpreadSheet daily 27. Creating a Serverless Slack Bot that automatically posts KPI information every day 28. Various functions of zappa 29. Closing Chapter

111 pages, Kindle Edition

Published August 18, 2019