AWS Serverless APIs & Apps - A Complete Introduction 

Introduction

What is AWS?

AWS - A Closer Look (Optional)

Join our Online Learning Community

What is Serverless Development?

Does AWS Cost Money?

AWS Signup & First Serverless API

Why AWS?

Course Structure

How to get the Most out of this Course

How to use the File Downloads

Module Introduction

An Overview over the Core Serverless Services

More Info about the Core Services

The Course Project

Module Introduction

What is API Gateway?

API Gateway: Useful Resources & Links

Accessing the API Gateway Console

General API Gateway Features

Understanding AWS Permissions (IAM)

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?

AWS Lambda: Useful Resources & Links

Must-Read: Minor Change to Lambda Interface

Improved Lambda Console

Creating a Lambda Function

Creating a Lambda Function

Lambda Pricing & Uploading Code

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?

Understanding Body Mapping Templates

Mapping Response Data

Using Models & Validating Requests

Understanding JSON Schemas

Models & Mappings

[OPTIONAL] Assignment Solution

Next Steps

Adding a DELETE Method Endpoint to the API

Using Path Parameters

What about Query Parameters?

Accessing the API from the Web - The Right Way

Wrap Up

Module Introduction

What is DynamoDB?

AWS: DynamoDB Useful Resources & Links

How DynamoDB Organizes Data

NoSQL vs SQL

Using DynamoDB with Lambda

Creating a Table in DynamoDB

Understanding Read & Write Capacity

On-Demand 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

Giving Lambda Logging Rights

Deleting Items in DynamoDB via Lambda

Mapping DynamoDB Responses

Wrap Up

Module Introduction

How to add Authorization to API Gateway

Understanding Custom Authorizers (API Gateway)

Creating a Custom Authorizer Function

Custom Authorizers: Provided Input & Expected Output

MUST READ: New UI for setting up Custom Authorizers

Using Custom Authorizers

Retrieving Users from Custom Authorizers

What is AWS Cognito?

AWS Cognito: Useful Resources & Links

Cognito User Pools and Federated Identities

Creating a Cognito User Pool

Understanding the Cognito Auth Flow

The Example Web App, Angular and TypeScript

Adding Cognito to a Frontend App - Getting Started

Using Cognito in iOS or Android Apps

Adding Signup to a Frontend App

Adding Signup to the Frontend App

Adding User Confirmation to a Frontend App

Adding Signin to a Frontend App

Managing User State via Cognito

Managing User State with Cognito

Using a Cognito Authorizer with API Gateway

Passing the right User ID to Lambda

Using Query Params & Cognito from Lambda

More on the Cognito Identity Service Provider

Passing Query Params from the Frontend

Passing the User Id to the DELETE Endpoint

Wrap Up

Module Introduction

What is S3?

AWS S3: Useful Resources & Links

Creating a S3 Bucket

Uploading the Web App to the Bucket

Using S3 for Hosting

Turning a S3 Bucket into a Static Webserver

Setting up Logging

Optimizing Content Delivery: What is AWS CloudFront?

AWS CloudFront: Useful Resources & Links

Setting up a CloudFront Distribution

Finishing the CloudFront Setup

Using a Custom Domain: What is Route53?

AWS Route53: Useful Resources & Links

Registering a Domain

Connecting a Domain to a CloudFront Distribution

Wrap Up

Module Introduction

Documenting an API

Other AWS Lambda Triggers

Going Serverless with a Node/ Express App (Non-API!)

Running Node/ Express Apps via Lambda + API Gateway

Pros and Cons of Serverless Node/Express MPA

Learn more about AWS Serverless + Express Apps

Serverless Apps and Security

A Case of a Better Development Workflow

Getting to know the Serverless Framework

More about the Serverless Framework

Getting to know SAM (Serverless Application Model) by AWS

More about the Serverless Application Model (SAM)

Testing Serverless Apps with localstack

Other useful AWS Services

Wrap Up

Useful Resources & Links

Roundup

Bonus: More Content!

Using AWS Amplify instead of the Cognito JS SDK