Node.js: Microservices

Introduction

• Understand how microservices are built and used
• What you should know
• Getting your tools ready

1. Get started with Microservices

• Introduction to microservices
• Setting up the sample app
• What you are going to build
• Service registries and discoveries

2. Creating a Service Registry

• Setting up the registry
• Setting up endpoints in Express
• Registering and deregistering services
• Creating and testing the registration route
• Unregistering services
• Versioning and load balancing
• Querying the registry
• Removing expired services

3. Splitting Up a Monolith into Microservices

• Setting up the speakers service
• Registering the speakers service
• Unregistering a service on shutdown
• Adding the service logic
• Using the microservice from the main app
• Cleaning up the main app
• Creating an image serving endpoint

4. Adding Fault Tolerance and Resilience

• What happens if a service fails?
• Understanding circuit breakers
• Building a circuit breaker with Node
• Using the circuit breaker
• Using a cache to bridge outages
• Caching images

5. Using Queues with Node.js

• Factoring out the feedback service
• Using queues
• Setting up RabbitMQ
• Queuing feedback
• Consuming and storing feedback

Conclusion

• Next steps