chenshun00/example-demo

demo project for SpringCloud

please install docker before start this.

install DB

docker pull chenshun00/mysqlutf8:0.0.1
- more information @see mysql:5.7
start docker
execute below script

create database test;

CREATE TABLE `book` (
                      `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
                      `author` varchar(16) NOT NULL DEFAULT '''''' COMMENT '作者',
                      `publish_date` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
                      `name` varchar(12) NOT NULL DEFAULT '',
                      PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4;

INSERT INTO `book` (`id`, `author`, `publish_date`, `name`)
VALUES
  (1, 'cc', '2022-04-27 03:37:26', 'first book'),
  (2, 'cc', '2022-04-27 03:37:29', 'second book');

install nacos

docker pull nacos/nacos-server:1.4.2
docker run --name nacos-quick -e MODE=standalone -p 8848:8848 -d nacos/nacos-server:1.4.2
- more information @see nacos/nacos-server

spring-datasource-boot-starter

find starter from datasource-starter

cd path
git clone https://github.com/chenshun00/datasource-starter.git
cd datasource-starter && mvn install

operation

# browser->nacos-provider->db
curl 'http://127.0.0.1:8082/book?author=cc'
# browser->nacos-consumer(feign)-> nacos-provider->db
curl 'http://127.0.0.1:9082/feign'

some problem for newbe

feign convert GET to POST, result in HTTP method not support POST error
- https://blog.csdn.net/qq_34129814/article/details/107935091
feign lose parameter
- https://blog.csdn.net/qq_17238449/article/details/109648994
how to handle feign's exception

some question

how to config feign's parameter, like http connection pool, pool size. sync or async, cache how to config or no cache.
how to do service governance, monitor? metrics? logging?
how to simplify development. what component is need 100%.
etc.

document

feign

why switch consul to naocs

because of company technology stack , I had to switch registries from consul to nacos.

chenshun00 / example-demo

demo project for SpringCloud

install DB

install nacos

spring-datasource-boot-starter

operation

some problem for newbe

some question

document

why switch consul to naocs

reference

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