Chapter 1. DevOps Fundamentals

• Why DevOps
• What is DevOps?
• Collaborative, Matrixed and Cross-Functional Teams
• Key Components of Successful DevOps Teams
• DevOps-ification
• DevOps Vocabulary
• DevOps Goals
• Not DevOps – Crush Buzzwords
• Driving Business Outcomes with DevOps
• Technology-Enabled Business
• DevOps Key Enabler for Digital Transformation
• Core Values and Mission
• Core Values – Culture
• Core Values – Automation
• Core Values – Measurement
• Core Values – Sharing
• Communication
• Collaboration
• Value Stream Mapping
• Behavioral Patterns for Success
• DevOps Org Structures
• DevOps Team – Separate
• DevOps Merged Organization
• DevOps Overlapped Organization
• Organizational Structure Leadership
• What Does Continuous Delivery Mean?
• Deployment Pipelines
• Your Organization is Doing CD if …
• Pipelining for CD
• Continuous Integration
• CI Pipeline
• CD & CI Methodologies
• Key Tool Categories for CI/CD
• Summary

Chapter 2. Introduction to Git Flow

• Why Use an SCM Workflow?
• Why Use an SCM Workflow? (Cond.)
• What is Git Flow
• The Main Branch
• Benefits
• How Git Flow works?
• How Git Flow works? (Contd.)
• What is Git Flow? (Contd.)
• How Git Flow works? (Contd.)
• Git Flow Extension
• Initializing Git Flow
• Features
• Release
• Hotfixes
• Git Flow and Continuous Integration
• Git Flow – Summary
• Git Flow – Pros and Cons
• Git Flow – When it Works Best?
• Git Flow – When it Doesn’t Work?
• Git Flow Alternatives
• Trunk-based Development
• Trunk-based Development (Contd.)
• Trunk-based Development – When it Works?
• Trunk-based Development – When it Doesn’t Work?
• GitHub Flow
• GitHub Flow – Pros and Cons
• GitLab Flow
• GitLab Flow – Environment Branches
• GitLab Flow – Release Branches
• GitLab Flow – Release Branches (Contd.)
• GitLab Flow – Pros and Cons
• Summary

Chapter 3. Breaking Up Monoliths – Pros and Cons

• Traditional Monolithic Applications and Their Place
• Disadvantages of Monoliths
• Developer’s Woes
• Architecture Modernization
• Architecture Modernization Challenges
• Microservices Architecture is Not a Silver Bullet!
• What May Help?
• In-Class Discussion
• Summary

Chapter 4. Twelve-factor Applications

• Twelve-factor Applications
• Twelve Factors, Microservices, and App Modernization
• The Twelve Factors
• Categorizing the 12 Factors
• 12-Factor Microservice Codebase
• 12-Factor Microservice Dependencies
• 12-Factor Microservice Config
• 12-Factor Microservice Backing Services
• 12-Factor Microservice Build, Release, Run
• 12-Factor Microservice Processes
• 12-Factor Microservice Port Binding
• 12-Factor Microservice Concurrency
• 12-Factor Microservice Disposability
• 12-Factor Microservice Dev/Prod Parity
• 12-Factor Microservice Logs
• 12-Factor Microservice Admin Processes
• Kubernetes and the Twelve Factors – 1 Codebase
• Kubernetes and the Twelve Factors – 2 Dependencies
• Kubernetes and the Twelve Factors – 3 Config
• Kubernetes and the Twelve Factors – 4 Backing Services
• Kubernetes and the Twelve Factors – 5 Build, Release, Run
• Kubernetes and the Twelve Factors – 6 Processes
• Kubernetes and the Twelve Factors – 7 Port Binding
• Kubernetes and the Twelve Factors – 8 Concurrency
• Kubernetes and the Twelve Factors – 9 Disposability
• Kubernetes and the Twelve Factors – 10 Dev/Prod Parity
• Kubernetes and the Twelve Factors – 11 Logs
• Kubernetes and the Twelve Factors – 12 Admin Processes
• Summary

Chapter 5. Microservice Development

• What are Microservices?
• Microservices vs Classic SOA
• Principles of Microservices Architecture Design
• Domain-Driven Design
• Domain-Driven Design – Benefits
• Microservices and Domain-Driven Design
• Designing for failure
• Microservices Architecture – Pros
• Microservices Architecture – Cons
• Docker and Microservices
• Microservice Deployment with Docker – Workflow
• Writing Dockerfile
• Kubernetes
• What is OpenShift
• OpenShift Architecture
• Microservices and Various Applications
• Web Applications
• Web Applications – Reference Architecture
• Web Applications – When to use?
• Single Page Applications
• Single Page Applications – Benefits
• Traditional Enterprise Application Architecture
• Sample Microservices Architecture
• Serverless & Event-driven Microservice – AWS Lambda
• Summary

Chapter 6. gRPC

• What is gRPC?
• Protocol Buffers
• REST vs. gRPC
• Protobuf vs. JSON
• HTTP/2 vs. HTTP 1.1
• HTTP/2 vs. HTTP 1.1 (Contd.)
• Messages vs. Resources and Verbs
• Streaming vs. Request-Response
• Strong Typing vs. Serialization
• Web Browser Support
• REST vs. gRPC – In a Nutshell

Chapter 7. Introduction to Spring Boot

• What is Spring Boot?
• Spring Framework
• How is Spring Boot Related to Spring Framework?
• Spring Boot 2
• Spring Boot Main Features
• Spring Boot on the PaaS
• Understanding Java Annotations
• Spring MVC and REST Annotations
• Example of Spring MVC-based RESTful Web Service
• Spring Booting Your RESTful Web Service
• Spring Boot Skeletal Application Example
• Starters
• Maven – The ‘pom.xml’ File
• Spring Boot Maven Plugin
• Gradle – The ‘build.gradle’ File
• Spring Boot Gradle Plugin
• HOWTO: Create a Spring Boot Application
• Spring Initializr
• Summary

Chapter 8. Overview of Spring Boot Database Integration

• DAO Support in Spring
• Spring Data Access Modules
• Spring JDBC Module
• Spring ORM Module
• DataAccessException
• @Repository Annotation
• Using DataSources
• DAO Templates
• DAO Templates and Callbacks
• ORM Tool Support in Spring
• Summary

Chapter 9. Using Spring with JPA

• Spring JPA
• Benefits of Using Spring with ORM
• Spring @Repository
• Using JPA with Spring
• Configure Spring Boot JPA EntityManagerFactory
• Application JPA Code
• Spring Boot Considerations
• Spring Data JPA Repositories
• Database Schema Migration
• Database Schema Migration for CI/CD using Liquibase
• How Liquibase Works?
• Changelogs in Liquibase
• Preconditions in Changelogs
• Sample Empty Changelog
• Sample Precondition in Changelog
• Sample Changeset in Changelog
• Running Liquibase
• Liquibase Commands
• Summary

Chapter 10. Spring REST Services

• REpresentational State Transfer
• Principles of RESTful Services
• Understanding REST
• REST Example – Create
• REST Example – Retrieve
• REST Example – Update
• REST Example – Delete
• REST Example – Client Generated ID
• REST Example – JSON
• @RestController Annotation
• HTTP Request Method Mapping
• Path Variables and Query Parameters
• RequestBody and ResponseBody
• JAX-RS vs Spring
• Java Clients Using RestTemplate
• RestTemplate Methods
• RestTemplate Example
• Testing with Postman
• Summary

Chapter 11. Scripting in Postman

• Postman Scripts
• Organization
• Execution Order
• Pre-Request Scripts
• Post-Request Scripts
• Console Output
• Tests
• Sample Assertions
• Multiple Test Example
• Test Results
• Variables
• Variable Scope
• Defining Global Variables
• Defining GlobalVariables
• Using Environment Variables
• Dynamic Variables
• Summary

Chapter 12. Spring Security

• Securing Web Applications with Spring Boot 2
• Spring Security
• Authentication and Authorization
• Programmatic vs Declarative Security
• Adding Spring Security to a Project
• 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
• 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 – Single Page Application 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 are “Scopes”?
• JWT with Spring Boot – Dependencies
• JWT with Spring Boot – Main Class
• Summary

Chapter 13. Docker Introduction

• What is Docker
• Where Can I Run Docker?
• Installing Docker Container Engine
• Docker Machine
• Docker and Containerization on Linux
• Linux Kernel Features: cgroups and namespaces
• The Docker-Linux Kernel Interfaces
• Docker Containers vs Traditional Virtualization
• Docker Integration
• Docker Services
• Docker Application Container Public Repository
• Competing Systems
• Docker Command Line
• Starting, Inspecting, and Stopping Docker Containers
• Docker Volume
• Dockerfile
• Docker Compose
• Using Docker Compose
• Dissecting docker-compose.yml
• Specifying services
• Dependencies between containers
• Injecting Environment Variables
• runC Overview
• runC Features
• Using runC
• Running a Container using runC
• Summary

Chapter 14. Introduction to Kubernetes

• What is Kubernetes
• What is a Container
• Container – Uses
• Container – Pros
• Container – Cons
• Composition of a Container
• Control Groups
• Namespaces
• Union Filesystems
• Popular Containerization Software
• Microservices
• Microservices and Containers / Clusters
• Microservices and Orchestration
• Microservices and Infrastructure-as-Code
• Kubernetes Container Networking
• Kubernetes Networking Options
• Kubernetes Networking – Balanced Design
• Summary

Chapter 15. Traffic Routing Patterns

• Edge Proxy Server
• Request Handling
• Filters
• Filter Architecture
• API Gateway for Routing Requests
• API Gateway for Routing Requests (Contd.)
• API Gateway – Example
• Rate Limiting
• Rate Limiting – Business Cases
• Configuring Rate Limiting in NGINX
• Circuit Breaker
• Design Principles
• Design Principles (continued)
• Cascading Failures
• Bulkhead Pattern
• Circuit Breaker Pattern
• Thread Pooling
• Request Caching
• Request Collapsing
• Fail-Fast
• Fallback
• Circuit Breaker Solutions
• Load Balancing in Microservices
• Server-side load balance
• Client-side Load Balance
• Architecture
• Service Mesh
• Service Mesh (Contd.)
• Service Mesh Solutions
• Content Delivery Network (CDN)
• How does a CDN Work?
• Benefits of using a CDN
• CDN Solutions
• Summary