Who this learning path is for
by David Gonzalez, Rajesh RV, Sourabh Sharma
Microservices: Building Scalable Software
- Microservices: Building Scalable Software
- Table of Contents
- Microservices: Building Scalable Software
- Microservices: Building Scalable Software
- Credits
- Preface
- 1. Module 1
- 1. A Solution Approach
- Evolution of µServices
- Monolithic architecture overview
- Limitation of monolithic architecture versus its solution with µServices
- Summary
- 2. Setting Up the Development Environment
- 3. Domain-Driven Design
- 4. Implementing a Microservice
- 5. Deployment and Testing
- 6. Securing Microservices
- 7. Consuming Services Using a Microservice Web App
- 8. Best Practices and Common Principles
- Overview and mindset
- Best practices and principals
- Microservices frameworks and tools
- Netflix Open Source Software (OSS)
- Build – Nebula
- Deployment and delivery – Spinnaker with Aminator
- Service registration and discovery – Eureka
- Service communication – Ribbon
- Circuit breaker – Hystrix
- Edge (proxy) server – Zuul
- Operational monitoring – Atlas
- Reliability monitoring service – Simian Army
- AWS resource monitoring – Edda
- On-host performance monitoring – Vector
- Distributed configuration management – Archaius
- Scheduler for Apache Mesos – Fenzo
- Cost and cloud utilization – Ice
- Other security tools – Scumblr and FIDO
- Netflix Open Source Software (OSS)
- References
- Summary
- 9. Troubleshooting Guide
- 1. A Solution Approach
- 2. Module 2
- 1. Demystifying Microservices
- The evolution of microservices
- What are microservices?
- Microservices – the honeycomb analogy
- Principles of microservices
- Characteristics of microservices
- Microservices examples
- Microservices benefits
- Supports polyglot architecture
- Enabling experimentation and innovation
- Elastically and selectively scalable
- Allowing substitution
- Enabling to build organic systems
- Helping reducing technology debt
- Allowing the coexistence of different versions
- Supporting the building of self-organizing systems
- Supporting event-driven architecture
- Enabling DevOps
- Relationship with other architecture styles
- Relations with SOA
- Relations with Twelve-Factor apps
- A single code base
- Bundling dependencies
- Externalizing configurations
- Backing services are addressable
- Isolation between build, release, and run
- Stateless, shared nothing processes
- Exposing services through port bindings
- Concurrency to scale out
- Disposability with minimal overhead
- Development and production parity
- Externalizing logs
- Package admin processes
- Microservice use cases
- Summary
- 2. Building Microservices with Spring Boot
- Setting up a development environment
- Developing a RESTful service – the legacy approach
- Moving from traditional web applications to microservices
- Using Spring Boot to build RESTful microservices
- Getting started with Spring Boot
- Developing the Spring Boot microservice using the CLI
- Developing the Spring Boot Java microservice using STS
- Developing the Spring Boot microservice using Spring Initializr – the HATEOAS example
- What's next?
- The Spring Boot configuration
- Changing the default embedded web server
- Implementing Spring Boot security
- Enabling cross-origin access for microservices
- Implementing Spring Boot messaging
- Developing a comprehensive microservice example
- Spring Boot actuators
- Configuring application information
- Adding a custom health module
- Documenting microservices
- Summary
- 3. Applying Microservices Concepts
- Patterns and common design decisions
- Establishing appropriate microservice boundaries
- Designing communication styles
- Orchestration of microservices
- How many endpoints in a microservice?
- One microservice per VM or multiple?
- Rules engine – shared or embedded?
- Role of BPM and workflows
- Can microservices share data stores?
- Setting up transaction boundaries
- Service endpoint design consideration
- Handling shared libraries
- User interfaces in microservices
- Use of API gateways in microservices
- Use of ESB and iPaaS with microservices
- Service versioning considerations
- Design for cross origin
- Handling shared reference data
- Microservices and bulk operations
- Microservices challenges
- The microservices capability model
- Summary
- Patterns and common design decisions
- 4. Microservices Evolution – A Case Study
- Reviewing the microservices capability model
- Understanding the PSS application
- Death of the monolith
- Microservices to the rescue
- The business case
- Plan the evolution
- Migrate modules only if required
- Target architecture
- Target implementation view
- Summary
- 5. Scaling Microservices with Spring Cloud
- Reviewing microservices capabilities
- Reviewing BrownField's PSS implementation
- What is Spring Cloud?
- Setting up the environment for BrownField PSS
- Spring Cloud Config
- What's next?
- Setting up the Config server
- Understanding the Config server URL
- Handling configuration changes
- Spring Cloud Bus for propagating configuration changes
- Setting up high availability for the Config server
- Monitoring the Config server health
- Config server for configuration files
- Completing changes to use the Config server
- Feign as a declarative REST client
- Ribbon for load balancing
- Eureka for registration and discovery
- Zuul proxy as the API gateway
- Streams for reactive microservices
- Summarizing the BrownField PSS architecture
- Summary
- 6. Autoscaling Microservices
- 7. Logging and Monitoring Microservices
- 8. Containerizing Microservices with Docker
- Reviewing the microservice capability model
- Understanding the gaps in BrownField PSS microservices
- What are containers?
- The difference between VMs and containers
- The benefits of containers
- Microservices and containers
- Introduction to Docker
- Deploying microservices in Docker
- Running RabbitMQ on Docker
- Using the Docker registry
- Microservices on the cloud
- Running BrownField services on EC2
- Updating the life cycle manager
- The future of containerization – unikernels and hardened security
- Summary
- 9. Managing Dockerized Microservices with Mesos and Marathon
- Reviewing the microservice capability model
- The missing pieces
- Why cluster management is important
- What does cluster management do?
- Relationship with microservices
- Relationship with virtualization
- Cluster management solutions
- Cluster management with Mesos and Marathon
- Implementing Mesos and Marathon for BrownField microservices
- A place for the life cycle manager
- The technology metamodel
- Summary
- 10. The Microservices Development Life Cycle
- Reviewing the microservice capability model
- The new mantra of lean IT – DevOps
- Meeting the trio – microservices, DevOps, and cloud
- Practice points for microservices development
- Understanding business motivation and value
- Changing the mindset from project to product development
- Choosing a development philosophy
- Using the concept of Minimum Viable Product
- Overcoming the legacy hotspot
- Addressing challenges around databases
- Establishing self-organizing teams
- Building a self-service cloud
- Building a microservices ecosystem
- Defining a DevOps-style microservice life cycle process
- Automating the continuous delivery pipeline
- Development
- Continuous integration
- Automated testing
- Different candidate tests for automation
- Automated sanity tests
- Regression testing
- Automated functional testing
- Automated acceptance testing
- Performance testing
- Real user flow simulation or journey testing
- Automated security testing
- Exploratory testing
- A/B testing, canary testing, and blue-green deployments
- Other nonfunctional tests
- Testing in production
- Antifragility testing
- Target test environments
- Different candidate tests for automation
- Continuous deployment
- Monitoring and feedback
- Automated configuration management
- Microservices development governance, reference architectures, and libraries
- Summary
- 1. Demystifying Microservices
- 3. Module 3
- 1. Microservices Architecture
- 2. Microservices in Node.js – Seneca and PM2 Alternatives
- 3. From the Monolith to Microservices
- 4. Writing Your First Microservice in Node.js
- 5. Security and Traceability
- 6. Testing and Documenting Node.js Microservices
- 7. Monitoring Microservices
- 8. Deploying Microservices
- A. Bibliography
- Index
This course is intended for Java and Spring developers, DevOps engineers, and system administrators who are familiar with microservice architecture and have a good understanding of the core elements and microservice applications but now want to delve into effectively implementing microservices at the enterprise level.
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