2022-06-python + restfulapi + flagger to implement back-end microservices

Antecedents feed

The children have been working hard this month ！ But I spent most of my time learning the knowledge of basic subjects , I like the new and hate the old ！ Can not always watch video learning , Always practice , Do something that interests you ;

I wrote an article about the development and release of the front end , Now that the front-end is done , So how to develop and design back-end microservices , This is a question worthy of consideration , Of course, this is a design based on my existing cognition , No discussion with others , But do we all learn from each other in the realization of Technology ？ No shame , Ha ha ha ha

Model selection analysis

Web API There is always a frame API Documentation goes with it , At present, the most famous thing is to support Open API Of Swagger 了 .
Python Of Flask Framework support Swagger UI There are also several ways

• Flasgger: yes flask-swagger Of fork
• flask-swagger: Long time no update , Don't have to consider
• flask-restful-swagger: It has not been updated for two years
• Flask-RESTPlus Of Swagger characteristic : I really need to use Flask-RESTPlus You can use it

Flasgger Reference examples ： https://github.com/flasgger/flasgger/tree/master/examples

Technical realization

Project address ：https://github.com/vpc123/flask-swagger.git

Directory structure ：

Main function entry (app.py):