Simplify MongoDB Connection Settings with spring-boot-starter-mongodb-plus

Previously, configuring MongoDB connection options in Spring Boot required custom MongoDbFactory implementations, which could be cumbersome. The spring-boot-starter-mongodb-plus project, created on the spring4all GitHub, extends the official Spring Boot MongoDB starter to expose additional configuration properties such as connection pool size, timeouts, and SSL settings.

How to Use the Starter

Add the dependency to your pom.xml:

<dependency>
  <groupId>com.spring4all</groupId>
  <artifactId>mongodb-plus-spring-boot-starter</artifactId>
  <version>1.0.0.RELEASE</version>
</dependency>

Enable the starter in your main application class with the @EnableMongoPlus annotation:

@EnableMongoPlus
@SpringBootApplication
public class Application {
    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }
}

Supported Configuration Parameters

The following spring.data.mongodb.option.* properties can be set in application.yml or application.properties. All values shown are the defaults.

spring.data.mongodb.option.min-connection-per-host=0

spring.data.mongodb.option.max-connection-per-host=100

spring.data.mongodb.option.threads-allowed-to-block-for-connection-multiplier=5

spring.data.mongodb.option.server-selection-timeout=30000

spring.data.mongodb.option.max-wait-time=120000

spring.data.mongodb.option.max-connection-idle-time=0

spring.data.mongodb.option.max-connection-life-time=0

spring.data.mongodb.option.connect-timeout=10000

spring.data.mongodb.option.socket-timeout=0

spring.data.mongodb.option.socket-keep-alive=false

spring.data.mongodb.option.ssl-enabled=false

spring.data.mongodb.option.ssl-invalid-host-name-allowed=false

spring.data.mongodb.option.always-use-m-beans=false

spring.data.mongodb.option.heartbeat-socket-timeout=20000

spring.data.mongodb.option.heartbeat-connect-timeout=20000

spring.data.mongodb.option.min-heartbeat-frequency=500

spring.data.mongodb.option.heartbeat-frequency=10000

spring.data.mongodb.option.local-threshold=15

All the above values are the library's default settings; you can override them as needed for your environment.