feat: adding prometheus and grafana example to monitor metrics

build.gradle.kts

@@ -56,6 +56,11 @@ subprojects {
         implementation("org.javers:javers-core:7.6.1")
         implementation("org.apache.httpcomponents.client5:httpclient5:5.3")
 
+        // testing
+        implementation("org.springframework.boot:spring-boot-starter-actuator")
+        implementation("io.micrometer:micrometer-core")
+        implementation("io.micrometer:micrometer-registry-prometheus")
+
         testCompileOnly("org.projectlombok:lombok:1.18.32")
         testAnnotationProcessor("org.projectlombok:lombok:1.18.32")
         testImplementation("io.rest-assured:rest-assured:5.5.0")

cf-application/src/main/resources/application.yml

@@ -1,6 +1,16 @@
 server:
   port: ${SERVER_PORT:9000}
-
+management:
+  endpoints:
+    web:
+      exposure:
+        include: "*"
+  endpoint:
+    metrics:
+      enabled: true
+  metrics:
+    enable:
+      all: true
 spring:
   task:
     execution:

monitoring/prometheus/prometheus.yml

@@ -0,0 +1,8 @@
+scrape_configs:
+  - job_name: 'MyAppMetrics'
+    metrics_path: '/actuator/prometheus'
+    scrape_interval: 3s
+    static_configs:
+      - targets: ['host.docker.internal:9000']
+        labels:
+          application: 'My Spring Boot Application'