From 71b43c247a8cd692549d5c82e099ec8ed9ccbc2f Mon Sep 17 00:00:00 2001
From: hangillee <skfcb10@naver.com>
Date: Tue, 26 Nov 2024 18:42:46 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20Prometheus,=20Grafana,=20Loki=20?=
 =?UTF-8?q?=EC=84=A4=EC=A0=95=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 backend/build.gradle                          |  6 +++++
 backend/src/main/resources/application.yml    |  4 ++-
 backend/src/main/resources/logback-spring.xml | 25 +++++++++++++++++--
 3 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/backend/build.gradle b/backend/build.gradle
index 377d7611..85d59fd0 100644
--- a/backend/build.gradle
+++ b/backend/build.gradle
@@ -63,6 +63,12 @@ dependencies {
 
     // flyway 추가
     implementation 'org.flywaydb:flyway-mysql'
+
+    // Prometheus
+    implementation 'io.micrometer:micrometer-registry-prometheus'
+
+    // Loki
+    implementation 'com.github.loki4j:loki-logback-appender:1.5.2'
 }
 
 tasks.named('test') {
diff --git a/backend/src/main/resources/application.yml b/backend/src/main/resources/application.yml
index 4c7dc183..a27c4260 100644
--- a/backend/src/main/resources/application.yml
+++ b/backend/src/main/resources/application.yml
@@ -26,10 +26,12 @@ management:
       enabled: true
     metrics:
       enabled: true
+    prometheus:
+      enabled: true
   endpoints:
     web:
       exposure:
-        include: info, health, metrics
+        include: prometheus, info, health, metrics
       base-path: ENC(zc5tP1eNIEjv3uN5Kuih7wlo5zILgWxq)
     enabled-by-default: false
 
diff --git a/backend/src/main/resources/logback-spring.xml b/backend/src/main/resources/logback-spring.xml
index 134165e8..5ae8e54d 100644
--- a/backend/src/main/resources/logback-spring.xml
+++ b/backend/src/main/resources/logback-spring.xml
@@ -1,8 +1,28 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <configuration>
     <timestamp key="NOW" datePattern="yyyy-MM-dd"/>
-    <property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level [%file:%line] - %msg%n" />
-    <property name="CONSOLE_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} %green([%thread])  %highlight(%-5level) %boldWhite([%file:%yellow(%line)]) - %msg%n" />
+    <property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level [%file:%line] - %msg%n"/>
+    <property name="CONSOLE_PATTERN"
+              value="%d{yyyy-MM-dd HH:mm:ss.SSS} %green([%thread])  %highlight(%-5level) %boldWhite([%file:%yellow(%line)]) - %msg%n"/>
+    <springProfile name="local">
+        <property name="LOKI_URL" value="http://localhost:3100/loki/api/v1/push"/>
+    </springProfile>
+    <springProfile name="dev">
+        <property name="LOKI_URL" value="http://loki:3100/loki/api/v1/push"/>
+    </springProfile>
+
+    <appender name="LOKI" class="com.github.loki4j.logback.Loki4jAppender">
+        <http>
+            <url>${LOKI_URL}</url>
+        </http>
+        <format>
+            <label>
+                <pattern>app=touroot,host=${HOSTNAME},level=%level</pattern>
+                <readMarkers>true</readMarkers>
+            </label>
+            <message class="com.github.loki4j.logback.JsonLayout"/>
+        </format>
+    </appender>
 
     <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
         <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
@@ -72,6 +92,7 @@
 
     <springProfile name="local">
         <root level="INFO">
+            <appender-ref ref="LOKI"/>
             <appender-ref ref="CONSOLE"/>
         </root>
     </springProfile>