Dynamic Datasource spring-boot-nebula-dynamic-datasource

Read/write splitting built on DynamicRoutingDataSource, switching datasources via annotations.

Add the Dependency

<dependency>
    <groupId>io.github.weihubeats</groupId>
    <artifactId>spring-boot-nebula-dynamic-datasource</artifactId>
    <version>3.0.6</version>
</dependency>

Annotations

Annotation	Description
@NebulaRead	Route to the read datasource
@NebulaWrite	Route to the write datasource
@NebulaDS("dsName")	Route to a named datasource

@NebulaWrite
public void saveTeacher(TeacherDTO dto) { ... }

@NebulaRead
public NebulaPageRes<TeacherVO> list(TeacherDTO dto) { ... }

Configuration Example

Configure the read and write datasources separately, then register them in DynamicRoutingDataSource:

db:
  nebula:
    pg:
      write:
        driverClassName: org.postgresql.Driver
        url: jdbc:postgresql://localhost:5432/app_write
        username: user
        password: pass
      read:
        driverClassName: org.postgresql.Driver
        url: jdbc:postgresql://localhost:5432/app_read
        username: user
        password: pass

For the full configuration, see MybatisPlusConfig in spring-boot-nebula-dynamic-datasource-sample.