Prometheus (#22)

* Export prometheus metrics

* Implement prometheus

Author: kulsveen

Diff for: build.gradle.kts

@@ -34,6 +34,7 @@ dependencies {
     implementation("org.springframework.boot:spring-boot-starter-actuator")
     implementation("org.flywaydb:flyway-core")
     implementation("org.postgresql:postgresql")
+    implementation("io.micrometer:micrometer-registry-prometheus")
     implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
     implementation("net.logstash.logback:logstash-logback-encoder:$logstashLogbackEncoderVersion")
 

Diff for: src/main/resources/application.yaml

@@ -25,5 +25,7 @@ management:
   health:
     livenessstate.enabled: true
     readinessState.enabled: true
+  prometheus:
+    metrics.export.enabled: true
 
 logging.config: "classpath:logback.xml"