Microservices Design Patterns

Part I

• Understanding change in a system from Monolith to Microservices
• APIs vs Microservices
• Designing a delivery pipeline for Microservices
• Why many microservices projects fails
• Set of mind – the Do and Not!
• Shared / Common code base

Part II

• RPCish Microservices and why they hurt you
• Communication
  • Inter-Service Communication
  • Synchronous versus Asynchronous flows
  • Service Registration
  • Service Discovery
• Data
  • Database[s]
  • API Composition
  • Event Sourcing
  • Two Phase Commit
  • CQRS
• Composing Microservices using Messaging
  • Brokers and Point to Point
  • Schemas
  • Identify and defining Message Protocols
  • Messaging State Machines
  • Async API
• Composing Microservices using Events
  • Event Driven Architectures
  • Patterns for System Choreography
  • Stream Processing to materialise views of the system
• Event Sourcing
  • The Aggregate Root
  • System Commands
  • Understanding System State as an audit log
  • Combining with Stream Processing
  • Snapshotting
• Distributed transactions
  • CAP Theorem
  • Event source
  • CQRS

Part III

• Fault Tolerance and Monitoring
  • Failover Mechanism
  • Circuit Breaker
  • Health API
  • Logging Techniques
• 12 factor application
• Decomposition of a service
• Transactions using Process Managers
• Event based testing techniques
• Containerisation for Devs process and deployment

Part IV

• How to Scope Microservices Using Bounded Contexts
  •  Need for Scoping Microservices
  •  Domain Driven Design
  •  Bounded Context
  •  Ubiquitous Language
  •  Unbounded Approach to Microservices
  •  Using Bounded Contexts for Microservices
  •  Scoping Using Bounded Contexts
  •  Aggregation
• How to Architect Asynchronous Microservices
  •   Asynchronous Microservices
  •   Asynchronous Microservices Options
  •   Event Based
  •   Competing Workers Pattern
  •   Fanout Pattern
  •   Async API Call
• How to Architect API-based Microservices
  •   Microservices API Architecture
  •   Functional Requirements
  •   Architecture Options
  •   REST Architectural Style
  •   RESTFul API Example
  •   Pragmatic RESTFul Microservices
  •   Facade Design Pattern
  •   Proxy Design Pattern
  •   Stateless Service Pattern
• How to Compose Microservices Together
  •   Composition Patterns
  •   Broker Composition Pattern
  •   Aggregate Composition Pattern
  •   Chained Composition Pattern
  •   Proxy Composition Pattern
  •   Batch Composition Pattern
• How to Achieve Data Consistency Across Microservices
  •   Two Phase Commit
  •   Saga Pattern
  •   Eventual Consistency
  •   Combining EventSourcing
• How to Centralize Access to Microservices Using an API Gateway
• How to Split Monolithic Databases Across Microservices
• How to Make Microservices More Resilient
  •   Patterns and Approach
  •   Timeouts Design Pattern
  •   Circuit Breaker Design Pattern
  •   Retry Design Pattern
  •   Bulkheads Design Pattern
• How to Make Microservices Backwards Compatible
• How to Define and Document Microservice Contracts
• How to Implement Microservices Centralized Logging
• How to Provide Reporting From Distributed Microservices Data

Part V

• How to Automate On-premises Microservices
  •   Continuous Integration
  •   Continuous Integration Tool Process
  •   Continuous Delivery
  •   Continuous Delivery Tool Process
  •   Automation High-level
  •   Automation Tools Summary
• How to Approach Cloud Based Microservices Infrastructure
  •   IAAS
  •   PAAS
  •   SAAS
  •   Hybrid Approach
• How to Manage Microservices Configuration
  •   Externalized Configuration Pattern
  •   Configuration Management Tools
  •   Containers
• How to Manage Microservices Registration and Discovery
  •   Client Side Discovery
  •   Server Side Discovery
  •   Service Registration
• How to Monitor Microservices
  • Monitoring Key Metrics
  • Monitoring SLA Metrics
  • Dashboards
  • Alerting
  • Auto Scaling metrics

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