AWS Serverless APIs & Apps – A Complete Introduction

About Course

Learn how to build serverless applications with Amazon Web Services (AWS) for free! This complete introduction to serverless computing will teach you how to build REST APIs, set up on-demand code with AWS Lambda, store data in a database, and much more.

This course is completely free and covers topics like:

Building REST APIs without managing servers using AWS API Gateway
Setting up on-demand code with AWS Lambda
Storing data in a database without managing any servers
Adding user authentication to your apps and protecting your REST API
Integrating a complete user sign-up and sign-in flow with AWS Cognito
Deploying your web app in a serverless manner
Securing your serverless app
Advanced development workflows

This course is perfect for anyone interested in building web applications without worrying about server provisioning. It’s also ideal for system administrators who want to stay up-to-date on the latest technology. Some basic AWS knowledge or a willingness to learn alongside the course is required. A credit card is also necessary for signing up to AWS.

This course is offered free of cost on Theetay, a platform that provides access to top-rated online courses from leading platforms like Udemy, Udacity, Coursera, MasterClass, NearPeer, and more.

Course Content

Getting Started

A Message from the Professor
Introduction

02:44
What is AWS

01:52
What is Serverless Development

05:36
AWS Signup & First Serverless API

08:31
Why AWS

01:01
Course Structure

03:22
How to get the Most out of this Course

02:21
Course Material Download Link

00:00

The Core Serverless Services

Creating an API with API Gateway & AWS Lambda

Module Introduction

00:55
What is API Gateway

02:17
Accessing the API Gateway Console

01:04
General API Gateway Features

04:47
API-specific Features & Options

04:50
Introducing the Request-Response Cycle

04:38
Understanding the Request-Response Cycle

06:12
Creating a New API

03:19
Creating a Resource (= URL Path)

03:15
Handling CORS and the OPTIONS Preflight Request

04:11
Creating a (HTTP) Method

04:11
What is AWS Lambda

02:46
Creating a Lambda Function

10:05
Connecting Lambda Functions to API Gateway Endpoints

01:27
Accessing the API from the Web & Fixing CORS Issues

07:25
(OPTIONAL) Assignment Solution

08:10
Understanding event in Lambda Functions

01:59
Forwarding Requests with Proxy Integration

03:52
Accessing Lambda Logs

02:51
Getting Started with Body Mapping Templates

04:44
Extracting Request Data with Body Mapping Templates

04:09
What’s the Idea behind Body Mappings

02:09
Mapping Response Data

02:41
Using Models & Validating Requests

03:14
Models & Mappings

06:42
(OPTIONAL) Assignment Solution

07:51
Next Steps

01:25
Adding a DELETE Method Endpoint to the API

02:25
Using Path Parameters

08:43
Accessing the API from the Web – The Right Way

07:11
Wrap Up

02:43

Data Storage with DynamoDB

Module Introduction

00:44
What is DynamoDB

02:50
How DynamoDB Organizes Data

04:58
NoSQL vs SQL

02:51
Using DynamoDB with Lambda

00:52
Creating a Table in DynamoDB

02:41
Understanding Read & Write Capacity

04:11
Creating and Scanning Items

02:16
What about multiple Databases

01:20
Accessing DynamoDB from Lambda

04:36
Sidenote How Lambda works behind the Scenes

01:42
Putting Items into a DynamoDB Table from Lambda

06:14
Setting Permissions Right

02:18
Using API Gateway (Request) Data for Item Creation

06:30
Mapping the Response & Web Testing

03:05
Scanning Data in DynamoDB from Lambda

07:52
Improving the IAM Permissions

04:30
Restructuring Fetched Data in Lambda

03:00
Getting a Single Item from DynamoDB via Lambda

05:38
Testing it from the Web & Passing Correct Data

01:37
Preparing Delete Permissions

02:49
Deleting Items in DynamoDB via Lambda

04:41
Mapping DynamoDB Responses

06:45
Wrap Up

01:50

Authenticating Users with Cognito and API Gateway Authorizers

Module Introduction

01:32
How to add Authorization to API Gateway

02:12
Understanding Custom Authorizers (API Gateway)

04:01
Creating a Custom Authorizer Function

10:12
Using Custom Authorizers

05:51
Retrieving Users from Custom Authorizers

06:09
What is AWS Cognito

02:28
Cognito User Pools and Federated Identities

01:31
Creating a Cognito User Pool

07:48
Understanding the Cognito Auth Flow

03:19
Adding Cognito to a Frontend App – Getting Started

05:28
Adding Signup to the Frontend App

12:00
Adding User Confirmation to a Frontend App

04:08
Adding Signin to a Frontend App

15:50
Managing User State with Cognito

03:48
Using a Cognito Authorizer with API Gateway

02:47
Passing the right User ID to Lambda

06:43
Using Query Params & Cognito from Lambda

07:59
Passing Query Params from the Frontend

03:50
Passing the User Id to the DELETE Endpoint

05:05
Wrap Up

01:46

Hosting a Serverless SPA

Module Introduction

02:00
What is S3

02:33
Creating a S3 Bucket

04:30
Uploading the Web App to the Bucket

02:47
Turning a S3 Bucket into a Static Webserver

03:39
Setting up Logging

01:53
Optimizing Content Delivery What is AWS CloudFront

02:28
Setting up a CloudFront Distribution

04:39
Finishing the CloudFront Setup

01:08
Using a Custom Domain What is Route53

01:15
Registering a Domain

01:52
Connecting a Domain to a CloudFront Distribution

07:01
Wrap Up

01:15

Beyond the Basics – An Outlook

Module Introduction

03:13
Documenting an API

02:10
Other AWS Lambda Triggers

08:01
Going Serverless with a Node Express App (Non-API!)

01:58
Running Node Express Apps via Lambda + API Gateway

09:24
Pros and Cons of Serverless NodeExpress MPA

03:08
Serverless Apps and Security

12:04
A Case of a Better Development Workflow

01:03
Getting to know the Serverless Framework

06:02
Getting to know SAM (Serverless Application Model) by AWS

03:40
Testing Serverless Apps with localstack

03:18
Other useful AWS Services

05:38
Wrap Up

01:11

Course Roundup

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About Course

What Will You Learn?

Course Content

Getting Started

A Message from the Professor

Introduction

What is AWS

What is Serverless Development

AWS Signup & First Serverless API

Why AWS

Course Structure

How to get the Most out of this Course

Course Material Download Link

The Core Serverless Services

Module Introduction

An Overview over the Core Serverless Services

The Course Project

Creating an API with API Gateway & AWS Lambda

Module Introduction

What is API Gateway

Accessing the API Gateway Console

General API Gateway Features

API-specific Features & Options

Introducing the Request-Response Cycle

Understanding the Request-Response Cycle

Creating a New API

Creating a Resource (= URL Path)

Handling CORS and the OPTIONS Preflight Request

Creating a (HTTP) Method

What is AWS Lambda

Creating a Lambda Function

Connecting Lambda Functions to API Gateway Endpoints

Accessing the API from the Web & Fixing CORS Issues

(OPTIONAL) Assignment Solution

Understanding event in Lambda Functions

Forwarding Requests with Proxy Integration

Accessing Lambda Logs

Getting Started with Body Mapping Templates

Extracting Request Data with Body Mapping Templates

What’s the Idea behind Body Mappings

Mapping Response Data

Using Models & Validating Requests

Models & Mappings

(OPTIONAL) Assignment Solution

Next Steps

Adding a DELETE Method Endpoint to the API

Using Path Parameters

Accessing the API from the Web – The Right Way

Wrap Up

Data Storage with DynamoDB

Module Introduction

What is DynamoDB

How DynamoDB Organizes Data

NoSQL vs SQL

Using DynamoDB with Lambda

Creating a Table in DynamoDB

Understanding Read & Write Capacity

Creating and Scanning Items

What about multiple Databases

Accessing DynamoDB from Lambda

Sidenote How Lambda works behind the Scenes

Putting Items into a DynamoDB Table from Lambda

Setting Permissions Right

Using API Gateway (Request) Data for Item Creation

Mapping the Response & Web Testing

Scanning Data in DynamoDB from Lambda

Improving the IAM Permissions

Restructuring Fetched Data in Lambda

Getting a Single Item from DynamoDB via Lambda

Testing it from the Web & Passing Correct Data

Preparing Delete Permissions

Deleting Items in DynamoDB via Lambda

Mapping DynamoDB Responses

Wrap Up

Authenticating Users with Cognito and API Gateway Authorizers

Module Introduction

How to add Authorization to API Gateway

Understanding Custom Authorizers (API Gateway)

Creating a Custom Authorizer Function

Using Custom Authorizers