SpringBoot中使用Micrometer进行指标监控

<dependencies>
    <!-- Micrometer Core -->
    <dependency>
        <groupId>io.micrometer</groupId>
        <artifactId>micrometer-core</artifactId>
    </dependency>
    <!-- Micrometer for Prometheus -->
    <dependency>
        <groupId>io.micrometer</groupId>
        <artifactId>micrometer-registry-prometheus</artifactId>
    </dependency>
    <!-- Spring Boot Actuator -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-actuator</artifactId>
    </dependency>
</dependencies>

management:
  endpoints:
    web:
      exposure:
        include: health,info,prometheus
  metrics:
    export:
      prometheus:
        enabled: true

package cn.juwatech.monitoring;

import io.micrometer.core.instrument.Counter;
import io.micrometer.core.instrument.MeterRegistry;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class MetricsConfig {
   

    @Bean
    public Counter exampleCounter(MeterRegistry registry) {
   
        return Counter.builder("example.counter")
                .description("An example counter")
                .register(registry);
    }
}

package cn.juwatech.controller;

import io.micrometer.core.instrument.Counter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class MetricsController {
   

    private final Counter exampleCounter;

    @Autowired
    public MetricsController(Counter exampleCounter) {
   
        this.exampleCounter = exampleCounter;
    }

    @GetMapping("/increment")
    public String incrementCounter() {
   
        exampleCounter.increment();
        return "Counter incremented";
    }
}

global:
  scrape_interval: 15s

scrape_configs:
  - job_name: 'spring-boot'
    metrics_path: '/actuator/prometheus'
    static_configs:
      - targets: ['host.docker.internal:8080']

docker run -d --name prometheus -p 9090:9090 -v /path/to/prometheus.yml:/etc/prometheus/prometheus.yml prom/prometheus
docker run -d --name grafana -p 3000:3000 grafana/grafana