Merge pull request #509 from On-Log/develop

[feat] 메트릭 통합

src/main/java/com/nanal/backend/global/config/MetricsConfig.java

@@ -0,0 +1,36 @@
+package com.nanal.backend.global.config;
+
+import io.micrometer.core.instrument.MeterRegistry;
+import io.micrometer.core.instrument.Tag;
+import io.micrometer.core.instrument.Tags;
+import org.springframework.boot.actuate.autoconfigure.metrics.MeterRegistryCustomizer;
+import org.springframework.boot.actuate.metrics.web.servlet.DefaultWebMvcTagsProvider;
+import org.springframework.boot.actuate.metrics.web.servlet.WebMvcTagsProvider;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@Configuration
+public class MetricsConfig {
+
+    @Bean
+    MeterRegistryCustomizer<MeterRegistry> metricsCommonTags() {
+        return registry -> registry.config().commonTags("app_version", getAppVersion());
+    }
+
+    @Bean
+    WebMvcTagsProvider webMvcTagsProvider() {
+        return new DefaultWebMvcTagsProvider() {
+            @Override
+            public Iterable<Tag> getTags(HttpServletRequest request, HttpServletResponse response, Object handler, Throwable exception) {
+                return Tags.of(super.getTags(request, response, handler, exception)).and("app_version", getAppVersion());
+            }
+        };
+    }
+
+    private String getAppVersion() {
+        return "1.0.0"; // or read from configuration or environment variable
+    }
+}