Java Programming for Experts - Locus IT Services

Java Programming for Experts

Locus IT ServicesJava Programming for Experts

2.7 Spring Boot Rest security Microservices Docker


  • What is a Microservice?
  • Sample Microservices Architecture
  • Download and Install Postman HTTP Client
  • Postman Overview
  • Resource and Collection URIs
  • HTTP Methods GET, POST, DELETE and PUT
  • HTTP Headers Accept and Content Type

2.Setting up Development Environment

  • Install Java Platform(JDK)
  • Download and Install Spring Tool Suite(STS)

3.Building RESTful Web Services .

  • Introduction
  • Creating a New Project
  • Creating a new Spring project using Spring Boot Initializr
  • -Create Users Rest Controller class
  • Adding Methods to Handle POST, GET, PUT, DELETE HTTP requests
  • Running Web Service Application
  • Reading Path Variables with @PathVariable annotaion
  • Reading Query String Request Parameters
  • Making Parameters Optional or Required
  • Returning Java Object as Return Value
  • Returning Object as JSON or XML Representation
  • Set Response Status Code
  • Reading HTTP POST Request Body. The @RequestBody annotation.
  • Validating HTTP POST Request Body
  • Store Users Temporary
  • Handle HTTP PUT Request
  • Handle HTTP Delete Request
  • Handle an Exception
  • Return Custom Error Message Object
  • Handle a Specific Exception
  • Throw and Handle You Own Custom Exception
  • Catch More Than One Exception with One Method
  • Dependency Injection Create and Autowire a Service Layer Class
  • Constructor Based Dependency Injection
  • Run Web Service as a Standalone Application

4.Eureka Discovery Service

  • Introduction to Eureka Discovery Service
  • Startup Eureka Service Discovery

5.Users Microservice 

  • Introduction to Building a Users Microservice
  • Users Microservice – Create new Spring Boot Project
  • Enable Spring Discovery Cloud Client
  • Create Users Rest Controller
  • Access Users Web Service Endpoint via Eureka Discovery Service
  • Exercise – Create Account Management Microservice

6.Account Management Microservice 

  • Introduction to Building an Account Management Microservice
  • Password Reset – Create a new Spring Boot Project
  • Access Account Management Microservice via Eureka Discovery Service

7.Zuul API Gateway

  • Introduction to Zuul API Gateway
  • Create a ZUUL API Gateway Project
  •       Access Microservices via API Gateway

8.Zuul as a Load Balancer

  • Load Balancer – Introduction
  • Starting Up More Microservices
  • Trying How Load Balancer Works

9.H In-Memory Database

  • H In-memory Database. Introduction.
  • H Database Console Overview
  • Adding Support for the H Database

10.Users Microservice – Implementing User Sign up

  • Introduction
  • Adding method to handle HTTP Post Request
  • Implementing the Create User Request Model class
  • Validating HTTP Request Body
  • Application Layers
  • Implementing Service Layer Class
  • Create a Shared DTO Class
  • Generate Unique Public User Id
  • Adding Support for Spring Data JPA
  • Implementing User Entity Class
  • Implementing Spring Data JPA CRUD Repository
  • Save User Details in Database
  • Return Http Status Code
  • Implementing Create User Response Model
  • Add Spring Security to Users Microservice
  • Add WebSecurity Configuration
  • Encrypt User Password
  • Allow only IP address of Zuul API Gateway
  • Adding Support to Return JSON or XML

11.Users Microservice – Implementing User Login

  • Introduction
  • Implementing LoginRequestModel
  • AuthenticationFilter. Implementing attemptAuthentication()
  • Implementing loadUserByUserName()
  • AuthenticationFilter. Implementing successfulAuthentication().
  • Trying How User Login Works
  • Customize User Authentication URL

12.Enable Spring Security on API Gateway

  • Introduction to Spring Security on API Gateway
  • Adding Support for Spring Security and JWT Tokens
  • Enable Web Security in Zuul

13.Spring Cloud Bus

  • Introduction to Spring Cloud Bus
  • Add Spring Cloud Bus & Actuator Dependencies
  • Enable the /bus-refresh URL Endpoint
  • Download and Run Rabbit MQ
  • Rabbit MQ Default Connection Details
  • Trying how Spring Cloud Bus Works
  • Change default Rabbit MQ Password

14.Spring Cloud Config – File System Backend

  • Introduction to Spring Cloud Config File System as a Backend
  • Setting up File System Backend
  • ing Values Returned by Config Server
  • Trying how Microservices work

15.Spring Cloud Config – Configuration for Multiple Microservices

  • Introduction
  • Shared and a Microservice specific properties

16.Spring Boot Actuator

  • Introduction to Spring Boot Actuator
  • Add Spring Boot Actuator to API Gateway
  • Trying How It Works
  • Enable Actuator for Users Microservice

17.Using MySQL Instead of In-Memory Database

18.Encryption and Decryption

  • Introduction to Encryption and Decryption of Configuration Properties
  • Add Java Cryptography Extension
  • Symmetric Encryption of Properties
  • Creating a Keystore for Asymmetric Encryption
  • Asymmetric Encryption of Properties

19.Microservices Communication

  • Introduction to Microservices Communication
  • Albums Microservices Source Code
  • Clone Source Code of Albums Microservice
  • A walk through an Albums Microservice
  • Implementing Get User Details
  • Make Users Microservice call Albums Microservice
  • Trying how it works
  • Feign Web Service Client – Introduction
  • Enable Feign in Spring Boot Project
  • Create Feign Client
  • Using Feign Client
  • Trying How Feign Client Works
  • Enable HTTP Requests Logging in Feign Client
  • Handle FeignException
  • Handle Response Errors with Feign Error Decoder
  • Hystrix Circuit Breaker & Feign. Introduction.
  • Configure Project to use Hystrix Circuit Breaker
  • Trying How Hystrix Circuit Breaker & Feign work
  • Error Handling with Feign Hystrix FallbackFactory

20.Distributed Tracing with Sleuth and Zipkin

  • Introduction to Distributed Tracing with Sleuth and Zipkin
  • Add Spring Cloud Sleuth to Users Microservice
  • Checking Trace ID and Span ID in a Console
  • Startup Zipkin Server
  • View Traces in Zipkin

21.Aggregating Log Files with ELK Stack

  • Introduction to Aggregating Log Files with ELK Stack
  • Configure Microservices to Log into a File
  • Download Logstash
  • Configure Logstash to Read Log Files
  • Download and Run Elasticsearch
  • Run Search Query
  • Download, Install and Run Kibana
  • View Aggregated Logs in Kibana

22.Secure Eureka Dashboard

  • Configure Spring Security to Eureka Server
  • Enable Web Security
  • Configure Eureka Clients to use Username and Password
  • Configure Eureka Service URL in Config Server
  • Move Username and Password to Config Server
  • Encrypting Username and Password

23.Running Microservices in Docker Containers to AWS EC

  • Introduction to Running Microservices in Docker Containers
  • Start up a new Linux Server on AWS EC
  • Connect to EC Instance
  • Docker Commands Used in this Video Course
  • Install Docker on AWS EC
  • Docker Hub Introduction
  • Run RabbitMQ Docker Container
  • Basic Docker Commands Run, Stop, Start, Remove Containers and Images
  • Create Config Server Docker Image
  • Publish Config Server Docker Image to Docker Hub
  • Run Config Server on EC from Docker Hub
  • Start New EC Instance for Eureka
  • Build Docker Image for Eureka Discovery Service
  • Run Eureka in Docker container
  • Elastic IP address for EC Instance
  • Create Zuul Api Gateway Docker Image
  • Run Zuul Api Gateway in Docker Container
  • Run Elastic Search in Docker container
  • Run Kibana in Docker Container
  • Run Kibana and Elastic Search on the same Network
  • Docker Image for Albums Microservice
  • Run Albums Microservice Docker Image on EC
  • Logstash Docker Image for Albums Microservice
  • Run Logstash in Docker container
  • Run MySQL in Docker Container
  • Make MySQL Docker Container Persist Data on EC
  • Build Users Microservice Docker Image
  • Run Users Microservice in Docker container
  • Run Logstash for Users Microservice

24.Multiple Environments Dev, Prod.

  • Introduction
  • Preparing Configuration for another environment
  • Creating Beans Based on Spring Boot @Profile used
  • Running Docker Container for Different Environments
  • Spring Boot Testing for Microservics , usage of Mockito , Junit
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