node.js - API design - splitting into different sub-domains (micro-services) -


our application based on api first architecture , based on single domain / service:

api.todos.com

consumers of api :

  • our web-frontend
  • our mobile-apps
  • other business / public

we building new micro-services written in different languages same application. example might develop api services for:

  • statistics
  • blog / content
  • rss feed
  • search

my question around dealing domains. best split each service different subdomain e.g.

  • api.todos.com
  • stats.todos.com
  • content.todos.com
  • rss.todos.com
  • search.todos.com

or better have single unified api domain http (layer 7) routing reach our endpoints. e.g.

  • api.todos.com/todos
  • api.todos.com/stats
  • api.todos.com/content
  • api.todos.com/rss
  • api.todos.com/search

not sure preferable public api? easier have multiple sub-domains , not have deal intermediate routing layer / proxy.

as system architect think it better have single unified api domain http (layer 7) routing reach our endpoints. can make system more flexible without changes clients. example have microservice routes:

  • api.todos.com/route1
  • api.todos.com/route2

in future can split microservice routes.

but mostly, depends on api gateway use. api gateway single entry point in system, proxy request correct microservice. make auth , cache. more microservice's pattern can read here.


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