<dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-actuator</artifactId>

        </dependency>

        <dependency>

            <groupId>io.micrometer</groupId>

            <artifactId>micrometer-registry-prometheus</artifactId>

        </dependency>

package com.xf.config;

import java.time.Duration;

import org.springframework.boot.actuate.autoconfigure.metrics.MeterRegistryCustomizer;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import io.micrometer.core.instrument.Meter;

import io.micrometer.core.instrument.MeterRegistry;

import io.micrometer.core.instrument.config.MeterFilter;

import io.micrometer.core.instrument.distribution.DistributionStatisticConfig;

import lombok.extern.slf4j.Slf4j;

@Configuration

@Slf4j

public class MeterService {

    @Bean

    MeterRegistryCustomizer<MeterRegistry> metricsCommonTags() {

        return registry -> {

            registry.config().commonTags("application", "epayapi").meterFilter(new MeterFilter() {

                @Override

                public DistributionStatisticConfig configure(Meter.Id id, DistributionStatisticConfig config) {

                    if (id.getType() == Meter.Type.TIMER && id.getName().matches("^(http|hystrix){1}.*")) {

                        return DistributionStatisticConfig.builder().percentilesHistogram(true)

                                .percentiles(0.5, 0.90, 0.95, 0.99)

                                .sla(Duration.ofMillis(50).toNanos(), Duration.ofMillis(100).toNanos(),

                                        Duration.ofMillis(200).toNanos(), Duration.ofSeconds(1).toNanos(),

                                        Duration.ofSeconds(5).toNanos())

                                .minimumExpectedValue(Duration.ofMillis(1).toNanos())

                                .maximumExpectedValue(Duration.ofSeconds(5).toNanos()).build().merge(config);

                    } else {

                        return config;

                    }

                }

            });

        };

    }

}

management:

  endpoints:

    web:

      exposure:

        include: prometheus

  endpoint:

    health:

      show-details: always

  metrics:

    export:

      datadog:

        application-key: ${spring.application.name}

scrape_configs:

  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.

  - job_name: "prometheus"

    # metrics_path defaults to '/metrics'

    # scheme defaults to 'http'.

    metrics_path: /epayapi/actuator/prometheus

    scrape_interval: 5s

    static_configs:

      - targets: ["127.0.0.1:7011"]