Merge pull request #1 from tautaus/use_docker_compose

Use docker compose

Dockerfile

@@ -1,6 +1,4 @@
 # Use an official OpenJDK runtime as a parent image
-# FROM openjdk:17-jdk-alpine
-
 FROM openjdk
 
 # Set the working directory inside the container

grafana/provisioning/datasources/datasource.yaml

@@ -0,0 +1,9 @@
+apiVersion: 1
+
+datasources:
+  - name: Prometheus
+    type: prometheus
+    access: proxy
+    url: http://prometheus:9090
+    isDefault: true
+    editable: true

pom.xml

@@ -139,6 +139,11 @@
       <artifactId>jakarta.xml.bind-api</artifactId>
     </dependency>
 
+    <!-- Micrometer Prometheus Registry -->
+    <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-prometheus</artifactId>
+    </dependency>
   </dependencies>
 
   <build>

prometheus.yml

@@ -0,0 +1,8 @@
+global:
+  scrape_interval: 15s
+
+scrape_configs:
+  - job_name: 'spring-boot-app'
+    metrics_path: '/actuator/prometheus'
+    static_configs:
+      - targets: ['petclinic:8080']

spring-petclinic.yml

@@ -0,0 +1,41 @@
+services:
+  petclinic:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "8080:8080"
+    networks:
+      - custom-network
+
+  prometheus:
+    image: prom/prometheus:latest
+    ports:
+      - "9090:9090"
+    volumes:
+      - prometheus_data:/prometheus
+      - ./prometheus.yml:/etc/prometheus/prometheus.yml
+    networks:
+      - custom-network
+    depends_on:
+      - petclinic
+
+  grafana:
+    image: grafana/grafana:latest
+    ports:
+      - "3000:3000"
+    volumes:
+      - grafana_data:/var/lib/grafana
+    networks:
+      - custom-network
+    environment:
+      - GF_SECURITY_ADMIN_PASSWORD=admin
+    depends_on:
+      - prometheus
+
+volumes:
+  prometheus_data:
+  grafana_data:
+
+networks:
+  custom-network:

src/main/resources/application.properties

@@ -23,3 +23,9 @@ logging.level.org.springframework=INFO
 
 # Maximum time static resources should be cached
 spring.web.resources.cache.cachecontrol.max-age=12h
+
+# Configure the Prometheus endpoint
+management.endpoint.prometheus.enabled=true
+
+# Enable Prometheus metrics export
+management.metrics.export.prometheus.enabled=true