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a pattern language for microservices microservice architecture supported by kong patterns articles presentations adopt refactoring testing modernization help about a pattern language for microservices pattern the beginnings of a pattern language for microservice architectures 点击这里 访问本系列文章的中文翻译 click here for chinese translation of the patterns click here for pdf architectural style which architectural style should you choose for an application monolithic architecture architect an application as a single deployable unit microservice architecture architect an application as a collection of independently deployable loosely coupled services service boundaries how to decompose an application into services decompose by business capability define services corresponding to business capabilities decompose by subdomain define services corresponding to ddd subdomains self contained service design services to handle synchronous requests without waiting for other services to respond new service per team new refactoring to services strangler application anti corruption layer service collaboration how to implement operations that span multiple services database per service each service has its own private database shared database services share a database saga use sagas which a sequences of local transactions to maintain data consistency across services command side replica maintain a queryable replica of data in a service that implements a command api composition implement queries by invoking the services that own the data and performing an in memory join cqrs implement queries by maintaining one or more materialized views that can be efficiently queried domain event publish an event whenever data changes event sourcing persist aggregates as a sequence of events transactional messaging how to send messages as part of a database transaction transactional outbox transaction log tailing polling publisher testing how to test services consumer driven contract test a test suite for a service that is written by the developers of another service that consumes it consumer side contract test a test suite for a service client e g another service that verifies that it can communicate with the service service component sest a test suite that tests a service in isolation using test doubles for any services that it invokes deployment how to deploy an application s services multiple service instances per host deploy multiple service instances on a single host service instance per host deploy each service instance in its own host service instance per vm deploy each service instance in its vm service instance per container deploy each service instance in its container serverless deployment deploy a service using serverless deployment platform service deployment platform deploy services using a highly automated deployment platform that provides a service abstraction cross cutting concerns how to handle cross cutting concerns microservice chassis a framework that handles cross cutting concerns and simplifies the development of services externalized configuration externalize all configuration such as database location and credentials service template a template that implements standard cross cutting concerns and is intended to be copied by a developer in order to quickly start developing a new service communication styles which mechanisms do services use to communicate with each other and their external clients remote procedure invocation use an rpi based protocol for inter service communication messaging use asynchronous messaging for inter service communication domain specific protocol use a domain specific protocol idempotent consumer ensure that message consumers can cope with being invoked multiple times with the same message external api how do external clients communicate with the services api gateway a service that provides each client with unified interface to services backend for front end a separate api gateway for each kind of client service discovery how does the client of an rpi based service discover the network location of a service instance client side discovery client queries a service registry to discover the locations of service instances server side discovery router queries a service registry to discover the locations of service instances service registry a database of service instance locations self registration service instance registers itself with the service registry 3rd party registration a 3rd party registers a service instance with the service registry reliability how to prevent a network or service failure from cascading to other services circuit breaker invoke a remote service via a proxy that fails immediately when the failure rate of the remote call exceeds a threshold security how to communicate the identity of the requestor to the services that handle the request access token a token that securely stores information about user that is exchanged between services observability how to understand the behavior of an application and troubleshoot problems log aggregation aggregate application logs application metrics instrument a service s code to gather statistics about operations audit logging record user activity in a database distributed tracing instrument services with code that assigns each external request an unique identifier that is passed between services record information e g start time end time about the work e g service requests performed when handling the external request in a centralized service exception tracking report all exceptions to a centralized exception tracking service that aggregates and tracks exceptions and notifies developers health check api service api e g http endpoint that returns the health of the service and is intended to be pinged for example by a monitoring service log deployments and changes ui design how to implement a ui screen or page that displays data from multiple services server side page fragment composition build a webpage on the server by composing html fragments generated by multiple business capability subdomain specific web applications client side ui composition build a ui on the client by composing ui fragments rendered by multiple business capability subdomain specific ui components pattern modernization help copyright 2026 chris richardson all rights reserved supported by kong about microservices io microservices io is created by chris richardson software architect creator of the original cloudfoundry com and author of microservices patterns chris advises organizations on modernization architecture and building systems that avoid becoming modern legacy systems need help modernizing your architecture avoid the trap of creating a modern legacy system a new architecture with the same old problems contact me to discuss your modernization goals get help microservices patterns 2nd edition i am very excited to announce that the meap for the second edition of my book microservices patterns is now available learn more ask chris got a question about microservices fill in this form if i can i ll write a blog post that answers your question need help i help organizations improve agility and competitiveness through better software architecture learn more about my consulting engagements and training workshops premium content premium content now available for paid subscribers at premium microservices io microservices workshops chris teaches comprehensive workshops for architects and developers that will enable your organization use microservices effectively avoid the pitfalls of adopting microservices and learn essential topics such as service decomposition and design and how to refactor a monolith to microservices learn more remote consulting session got a specific microservice architecture related question for example wondering whether your organization should adopt microservices want to know how to migrate your monolith to microservices facing a tricky microservice architecture design problem consider signing up for a two hour highly focussed consulting session assess your architecture assess your application s microservice architecture and identify what needs to be improved engage chris to conduct an architect review learn about microservices chris offers numerous other resources for learning the microservice architecture get the book microservices patterns read chris richardson s book example microservices applications want to see an example check out chris richardson s example applications see code virtual bootcamp distributed data patterns in a microservice architecture my virtual bootcamp distributed data patterns in a microservice architecture is now open for enrollment it covers the key distributed data management patterns including saga api composition and cqrs it consists of video lectures code labs and a weekly ask me anything video conference repeated in multiple timezones the regular price is 395 person but use coupon offefkcw to sign up for 95 valid until sept 30th 2025 there are deeper discounts for buying multiple seats learn more learn how to create a service template and microservice chassis take a look at my manning liveproject that teaches you how to develop a service template and microservice chassis signup for the newsletter for email marketing you can trust build microservices ready to start using the microservice architecture consulting services engage chris to create a microservices adoption roadmap and help you define your microservice architecture the eventuate platform use the eventuate io platform to tackle distributed data management challenges in your microservices architecture eventuate is chris s latest startup it makes it easy to use the saga pattern to manage transactions and the cqrs pattern to implement queries join the microservices google group please enable javascript to view the comments powered by disqus
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