Building Microservices with Node.js

Module 1: Design Your Microservices Architecture

What Is a Microservice?

• Define what makes up a microservices based architecture
• Explain why we use microservices
• Understand the key differences between microservices and monolithic applications

Design Principles for Microservice Architectures

• Learn about the key design principles
• Explore how to organize microservices using components of business processes
• See the project management, communication channels to use and governance of the services

Meet Your Class Project

• Learn about the Kona Surf and Snorkel, the application that will be built in the course
• See some basic designs for beginning of the project
• Look at some of the codes that will be used to create the first basis of the application’s reporting feature.

Node.js for Microservices with Express

• Explore models, views and controllers
• See how the controllers and models will work within the MVC pattern
• Learn about the MVC, Model View Controller pattern

Design the Microservices Architecture

• Evaluate the steps of the design
• Design the microservices architecture

Module 2: Setting Up a Microservices Environment

• Organization of Code: Git Repos and VS Code
• See Git Repository Styles – Multi and Mono Repo
• Look at the Visual Studio Code

Node.js and Express

• Program Environments for Node.js
• Learn Callbacks, Event Emitters and Promises

MongoDB

• Install MongoDB
• Connect to MongoDB in Node.js
• Understand Other Database ideas/solutions

Intro to React

• Overview of React
• Create a test harness application

Module 3: Building the Remaining Microservices

Handling Callbacks with Event Emitters and Promises

• See Callbacks
• Explore Event Emitters
• Understand Promises

Setting Up the Remaining Microservices

• Configure the ports
• Build the remaining microservices

Creating an API Gateway

• Build the API Gateway
• Identify alternatives like AWS or load balancers as an API gateway

Module 4: Deploying Microservices

Strategies for Microservice Deployment

• Analyze Multiple Services Per Host
• Apply Single Service Per Host
• Learn about the Container and Serverless Deployment

Deploying Microservices Using PM2

• Install PM2
• Explore Manual Deployment
• Set up the ecosystem.json for deployment

Using Docker Containers

• Learn about Docker
• Learn how to install Docker
• Execute an Ubuntu Linux environment inside a Docker container

Module 5: Scaling Microservices with NGINX

Scaling Microservices

• Understand Load Balancing
• Look at the Decomposing Apps
• See Data Sharding

Installing NGINX on Ubuntu

• Install NGINX
• Analyze NGINX

Load Balancing with NGINX

• Set up the config file
• Start NGINX
• Test the Load Balancer Configuration

Using NGINX as an API Gateway

• Set up the config file
• Reload NGINX
• Test the API Gateway

Module 6: Monitoring and Alerting

Monitoring with PM2 and Keymetrics

• Run PM2 Monitoring from the Command Line
• Register for Keymetrics
• Monitor microservices with Keymetrics

Creating a Monitoring Microservice

• Explore Event Emitter Service Pattern
• Review the code of the Monitoring Microservice

Alerting Upon Microservice Failure

• Set up alerting for the monitoring service
• Review the code of the Send Alert promise

Uptime Robot as an Off-Site Monitoring Service

• Look at the uptime robot overview
• Learn uptime robot register and configure it
• Explore uptime robot Dashboard and alerts configuration