Microservices Architecture Training

Monolithic Architecture

• Traditional Monolithic Applications and Their Place
•  Disadvantages of Monoliths
•  Architecture Modernization
•  Architecture Modernization Challenges
•  Summary

Service oriented Architecture

• Understanding SOA

Defining entities of Microservices

Microservices in nutshell

• What are Microservices?
•  Microservices v/s Classic SOA
•  Principles of Microservices Architecture Design
•  Domain-Driven Design
•  Domain-Driven Design – Benefits
•  Microservices and Domain-Driven Design
•  Summary

• REST Architecture principles
•  Microservices Characteristics
•  Designing for failure
•  Inter-Process Communications
•  Microservices Transaction Management
•  Microservices Architecture – Pros
•  Microservices Architecture – Cons
• Summary

Domain-Driven Design
 Untangling the Ball of MUD

 Big Mud Ball to Sweet Gems
 Kill the MUD Ball growth
 Repackaging/Refactoring
 Decouple the User interface and BackendBusiness Logic
 MUD Ball to Services
 Microservices Design Patterns
 Microservices Architecture Decisions
 Summary

• What is the Spring Boot?
•  Spring Boot Main Features
•  Understanding Java Annotations
•  Lombok library
•  REST Services With Spring MVC
•  Spring MVC @RequestMapping with REST
•  Working With the Request Body and Response Body
•  @RestController AnnotationImplementing JAX-RS Services and
• Spring
•  JAX-RS Annotations
•  Java Clients Using RestTemplate
•  RestTemplate Methods
•  Spring MVC Annotations
•  Spring MVC-based RESTful Web Service
•  Spring Booting Your RESTful Web Service
•  Spring boot built-in servers
•  Setting up the root project
•  Returning JSON entity as a response
• Spring Boot dev tools
•  Accessing an SQL database
•  Spring Data Rest and HATEOAS
•  Converting a Spring Boot Application to a WAR File
•  Running spring boot application on external Tomcat/Jboss
•  Summary

• Many Flavours of Services
•  Understanding REST
•  Principles of RESTful Services
•  SOAP Equivalent Examples
•  REST Example – JSON
• Famous RESTful Services
•  Additional Resources
• Protocol Buffers
•  Protobuf vs. JSONHTTP/2 vs. HTTP 1.1
•  HTTP/2 vs. HTTP 1.1 (Contd.)
•  Messages vs. Resources and Verbs
• REST Resource Examples
•  REST v/s SOAP
•  REST Example – Create
•  REST Example – Retrieve
•  REST Example – Update
• REST Example – Delete
•  REST Example – Client Generated ID
•  Summary

• Securing Web Applications with Spring Security 3.0
•  Spring Security 3.0
• Authentication and Authorization
• Programmatic v Declarative Security
•  Spring Security Configuration
•  Spring Security Configuration Example
•  Authentication Manager
•  Using Database User Authentication
•  LDAP Authentication
•  What is Security Assertion Markup Language (SAML)?
•  What is a SAML Provider?
•  Spring SAML2.0 Web SSO Authentication
•  Setting Up an SSO Provider
•  Adding SAML Dependencies to a Project
•  Dealing with the State
•  How Can I Maintain State?
•  SAML vs. OAuth2
•  OAuth2 Overview
•  OAuth – Facebook Sample Flow
•  OAuth Versions
•  OAuth2 Components
•  OAuth2 – End Points
•  OAuth2 – Tokens
•  OAuth – Grants
•  Authenticating Against an OAuth2 API
•  OAuth2 using Spring Boot – Dependencies
•  OAuth2 using Spring Boot – application.yml
•  OAuth2 using Spring Boot – Main Class
•  OAuth2 using Spring Boot – SPA Client
•  JSON Web Tokens
•  JSON Web Token Architecture
•  How JWT Works
•  JWT Header
•  JWT Payload
•  JWT Example Payload
•  JWT Example Signature
•  How JWT Tokens are Used
•  Adding JWT to HTTP Header
•  How The Server Makes Use of JWT Tokens
•  What is “Scopes”?
•  JWT with Spring Boot – Dependencies
•  JWT with Spring Boot – Main Class
•  Open ID Connect (OIDC)
•  Summary

• Testing Microservices with Postman
•  Testing Microservices with Swagger
•  The Java rest service client
•  The Angular HTTP Client
•  Using The HTTP Client – Overview
•  Importing HttpClientModule
•  Simple Example
•  Service Using HttpClient
•  ES6 Import Statements
•  Making a GET Request
•  What does an Observable Object do?
•  Using the Service in a Component
•  Error Handling
•  Making a POST Request
•  Making a PUT Request
•  Making a DELETE Request
•  Summary

• Reading properties in various ways
•  Implementing config server
•  Setting up Discovery Server
•  Setting up Discovery Client
•  Overview of Actuator Endpoints
•  API Gateway and Dynamic Routing
•  IDeclarative Rest Client
•  Hystrix Fault Tolerance
•  Distributed Caching
•  Distributed Sessions
•  Need for Event Driven Systems
•  Building Event Driven Systems
•  Implementing Distributed Tracing
•  Understanding Metrics
•  Monitoring Microservices
•  Spring Boot Admin
•  Summary

• Logging Challenges
•  Leading Practices
•  Correlate Requests with a Unique ID
•  Include a Unique ID in the Response
•  Send Logs to a Central Location
•  Structure Your Log Data
•  Add Context to Every Record
•  Examples of Content
•  Write Logs to Local Storage
•  Collecting Logs with Fluentd
•  Leading Practices for Microservices Logging Summary
•  Metrics Using Prometheus
•  Prometheus Architecture
•  Service Discovery
•  File-based Service Discovery
•  Istio and Prometheus
•  Exposing Metrics in Services
•  Querying in Prometheus
•  Summary

• Edge Proxy Server
•  Request Handling
•  Filters
•  Filter Architecture
•  API Gateway for Routing Requests
•  API Gateway – Example
•  Rate Limiting
•  Rate Limiting – Business Cases
•  Circuit Breaker
•  Design Principles
•  Cascading Failures
•  Bulkhead Pattern
•  Circuit Breaker Pattern
•  Thread Pooling
•  Request Caching
•  Request Collapsing
•  Fail-Fast
•  Fallback
•  Circuit Breaker / Fault tolerance Solutions       

                     Hystrix
                     Resilience4j
                     Hystrix v/s resilience4j

• Load Balancing in Microservices   

                 Server-side load balance
                 Client-side Load Balance

• Service Mesh
•  Service Mesh Solutions
•  Content Delivery Network (CDN)
•  How does a CDN Work?
•  Benefits of using a CDN
•  CDN Solutions
•  Summary