From 9f8dea9998f542a2c82cd2513f50a3d4290a44f4 Mon Sep 17 00:00:00 2001 From: igorcampos-dev Date: Fri, 25 Jul 2025 23:03:39 -0300 Subject: [PATCH 01/11] feat(spring-prometheus-grafana-example): add endpoint test,docker-compose config and workflow --- .../spring-prometheus-grafana-example.yml | 11 +- spring-prometheus-grafana-example/README.md | 48 + .../compose.yaml | 31 +- .../dashboards/jvm-metrics-dashboard.json | 2974 +++++++++++++++++ .../docker/prometheus.yml | 8 + .../provisioning/dashboards/dashboards.yml | 8 + .../provisioning/datasources/prometheus.yaml | 8 + .../io/example/controller/TestController.java | 16 + 8 files changed, 3101 insertions(+), 3 deletions(-) create mode 100644 spring-prometheus-grafana-example/README.md create mode 100644 spring-prometheus-grafana-example/docker/dashboards/jvm-metrics-dashboard.json create mode 100644 spring-prometheus-grafana-example/docker/prometheus.yml create mode 100644 spring-prometheus-grafana-example/docker/provisioning/dashboards/dashboards.yml create mode 100644 spring-prometheus-grafana-example/docker/provisioning/datasources/prometheus.yaml create mode 100644 spring-prometheus-grafana-example/src/main/java/com/io/example/controller/TestController.java diff --git a/.github/workflows/spring-prometheus-grafana-example.yml b/.github/workflows/spring-prometheus-grafana-example.yml index 75ae5e3..bfe5b42 100644 --- a/.github/workflows/spring-prometheus-grafana-example.yml +++ b/.github/workflows/spring-prometheus-grafana-example.yml @@ -50,6 +50,8 @@ jobs: compose-file: './spring-prometheus-grafana-example/compose.yaml' services: | app + prometheus + grafana up-flags: '--build' down-flags: '--volumes' @@ -61,10 +63,15 @@ jobs: echo "Verificando saúde dos containers..." APP_STATUS=$(docker inspect -f '{{.State.Running}}' app || echo "false") + PROMETHEUS_STATUS=$(docker inspect -f '{{.State.Running}}' app || echo "false") + GRAFANA_STATUS=$(docker inspect -f '{{.State.Running}}' app || echo "false") - echo "Status do app: $APP_STATUS" - if [ "$APP_STATUS" != "true" ]; then + echo "App status: $APP_STATUS" + echo "Prometheus status: $PROMETHEUS_STATUS" + echo "Grafana status: $GRAFANA_STATUS" + + if [ "$APP_STATUS" != "true" || "$PROMETHEUS_STATUS" != "true" || "$GRAFANA_STATUS" != "true" ]; then echo "::error ::An error occurred while executing the containers." exit 1 fi diff --git a/spring-prometheus-grafana-example/README.md b/spring-prometheus-grafana-example/README.md new file mode 100644 index 0000000..2af6c77 --- /dev/null +++ b/spring-prometheus-grafana-example/README.md @@ -0,0 +1,48 @@ +# spring-prometheus-grafana-example + +--- + +## Overview + +This is a basic Java Spring project demonstrating how to integrate Prometheus and Grafana +to collect and visualize application metrics from a Spring Boot application. +Metrics are exposed via Spring Actuator and scraped by Prometheus, which are then displayed +in customizable dashboards using Grafana. + +--- + +## Tech stack + +- Spring Boot +- Spring actuator +- Java 21 +- Prometheus (Docker) +- Grafana (Docker) + +--- + +## Ports + +| Service | Local URL | Username/Password | +|------------|------------------------------------------------|-------------------| +| Prometheus | [http://localhost:9090](http://localhost:9090) | admin/admin | +| Grafana | [http://localhost:3000](http://localhost:3000) | none/none | + +--- + +## Related Resources + +| Description | Link | +|--------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------| +| Basic config spring + grafana + prometheus | [monitoring-spring-boot-applications-with-prometheus-and-grafana](https://hidev.cc/tutoriais-praticos/2025/03/monitorando-aplicacoes-spring-boot-com-prometheus-e-grafana/) | +| Grafana Dashboards Spring boot | [grafana.com/grafana/dashboards](https://grafana.com/grafana/dashboards/?search=spring+boot) | + +--- + +## Dashboards Configured + +| Name | File Path | Source | +|-------------------------|------------------------------------------------|----------------------------------------------------------------------------------------| +| Spring Boot JVM Metrics | `docker/dashboards/jvm-metrics-dashboard.json` | [Grafana Dashboard #4701](https://grafana.com/grafana/dashboards/4701-jvm-micrometer/) | + +--- diff --git a/spring-prometheus-grafana-example/compose.yaml b/spring-prometheus-grafana-example/compose.yaml index 6e09ca4..be53469 100644 --- a/spring-prometheus-grafana-example/compose.yaml +++ b/spring-prometheus-grafana-example/compose.yaml @@ -5,5 +5,34 @@ services: container_name: app build: context: . + environment: + SERVER_PORT: 80 + SPRING_PROFILES_ACTIVE: prd ports: - - "80:80" \ No newline at end of file + - "80:80" + depends_on: + - prometheus + - grafana + + prometheus: + image: prom/prometheus:v3.5.0 + ports: + - "9090:9090" + volumes: + - ./docker/prometheus.yml:/etc/prometheus/prometheus.yml + command: + - '--config.file=/etc/prometheus/prometheus.yml' + + grafana: + image: grafana/grafana:12.1.0 + ports: + - "3000:3000" + depends_on: + - prometheus + environment: + - GF_SECURITY_ADMIN_USER=admin + - GF_SECURITY_ADMIN_PASSWORD=admin + volumes: + - ./docker/provisioning/datasources:/etc/grafana/provisioning/datasources + - ./docker/provisioning/dashboards:/etc/grafana/provisioning/dashboards + - ./docker/dashboards:/var/lib/grafana/dashboards diff --git a/spring-prometheus-grafana-example/docker/dashboards/jvm-metrics-dashboard.json b/spring-prometheus-grafana-example/docker/dashboards/jvm-metrics-dashboard.json new file mode 100644 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+ "time": { + "from": "now-24h", + "to": "now" + }, + "timepicker": { + "now": true, + "refresh_intervals": [ + "5s", + "10s", + "30s", + "1m", + "5m", + "15m", + "30m", + "1h", + "2h", + "1d" + ], + "time_options": [ + "5m", + "15m", + "1h", + "6h", + "12h", + "24h", + "2d", + "7d", + "30d" + ] + }, + "timezone": "browser", + "title": "JVM (Micrometer)", + "version": 33 +} \ No newline at end of file diff --git a/spring-prometheus-grafana-example/docker/prometheus.yml b/spring-prometheus-grafana-example/docker/prometheus.yml new file mode 100644 index 0000000..0c30025 --- /dev/null +++ b/spring-prometheus-grafana-example/docker/prometheus.yml @@ -0,0 +1,8 @@ +global: + scrape_interval: 5s + +scrape_configs: + - job_name: 'spring-boot-app' + metrics_path: '/actuator/prometheus' + static_configs: + - targets: ['host.docker.internal:80'] diff --git a/spring-prometheus-grafana-example/docker/provisioning/dashboards/dashboards.yml b/spring-prometheus-grafana-example/docker/provisioning/dashboards/dashboards.yml new file mode 100644 index 0000000..579bb16 --- /dev/null +++ b/spring-prometheus-grafana-example/docker/provisioning/dashboards/dashboards.yml @@ -0,0 +1,8 @@ +apiVersion: 1 + +providers: + - name: 'default' + folder: '' + type: file + options: + path: /var/lib/grafana/dashboards \ No newline at end of file diff --git a/spring-prometheus-grafana-example/docker/provisioning/datasources/prometheus.yaml b/spring-prometheus-grafana-example/docker/provisioning/datasources/prometheus.yaml new file mode 100644 index 0000000..86fd346 --- /dev/null +++ b/spring-prometheus-grafana-example/docker/provisioning/datasources/prometheus.yaml @@ -0,0 +1,8 @@ +apiVersion: 1 + +datasources: + - name: Prometheus + type: prometheus + access: proxy + url: http://prometheus:9090 + isDefault: true diff --git a/spring-prometheus-grafana-example/src/main/java/com/io/example/controller/TestController.java b/spring-prometheus-grafana-example/src/main/java/com/io/example/controller/TestController.java new file mode 100644 index 0000000..621391f --- /dev/null +++ b/spring-prometheus-grafana-example/src/main/java/com/io/example/controller/TestController.java @@ -0,0 +1,16 @@ +package com.io.example.controller; + +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RestController; + +@RestController +@RequestMapping("/v1/test") +public class TestController { + + @GetMapping + public String String(){ + return "ok"; + } + +} From 5441ae125d4ad79304e63c83ecf1e24bc3a62766 Mon Sep 17 00:00:00 2001 From: igorcampos-dev Date: Fri, 25 Jul 2025 23:06:05 -0300 Subject: [PATCH 02/11] chore(spring-prometheus-grafana-example): adjustment workflow --- .github/workflows/spring-prometheus-grafana-example.yml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/.github/workflows/spring-prometheus-grafana-example.yml b/.github/workflows/spring-prometheus-grafana-example.yml index bfe5b42..c732ace 100644 --- a/.github/workflows/spring-prometheus-grafana-example.yml +++ b/.github/workflows/spring-prometheus-grafana-example.yml @@ -63,8 +63,8 @@ jobs: echo "Verificando saúde dos containers..." APP_STATUS=$(docker inspect -f '{{.State.Running}}' app || echo "false") - PROMETHEUS_STATUS=$(docker inspect -f '{{.State.Running}}' app || echo "false") - GRAFANA_STATUS=$(docker inspect -f '{{.State.Running}}' app || echo "false") + PROMETHEUS_STATUS=$(docker inspect -f '{{.State.Running}}' prometheus || echo "false") + GRAFANA_STATUS=$(docker inspect -f '{{.State.Running}}' grafana || echo "false") echo "App status: $APP_STATUS" From 504f26a82605d597a41bbe0492591bbb3367798f Mon Sep 17 00:00:00 2001 From: Igor de campos <146300081+igorcampos-dev@users.noreply.github.com> Date: Fri, 25 Jul 2025 23:08:01 -0300 Subject: [PATCH 03/11] Update spring-prometheus-grafana-example.yml --- .github/workflows/spring-prometheus-grafana-example.yml | 1 - 1 file changed, 1 deletion(-) diff --git a/.github/workflows/spring-prometheus-grafana-example.yml b/.github/workflows/spring-prometheus-grafana-example.yml index c732ace..a4f90eb 100644 --- a/.github/workflows/spring-prometheus-grafana-example.yml +++ b/.github/workflows/spring-prometheus-grafana-example.yml @@ -66,7 +66,6 @@ jobs: PROMETHEUS_STATUS=$(docker inspect -f '{{.State.Running}}' prometheus || echo "false") GRAFANA_STATUS=$(docker inspect -f '{{.State.Running}}' grafana || echo "false") - echo "App status: $APP_STATUS" echo "Prometheus status: $PROMETHEUS_STATUS" echo "Grafana status: $GRAFANA_STATUS" From 01ecbc565c6d4133956731d2e3685c1f2991ece0 Mon Sep 17 00:00:00 2001 From: igorcampos-dev Date: Fri, 25 Jul 2025 23:14:28 -0300 Subject: [PATCH 04/11] chore(spring-prometheus-grafana-example): adjustment workflow and compose --- .github/workflows/spring-prometheus-grafana-example.yml | 4 ++-- spring-prometheus-grafana-example/compose.yaml | 2 ++ 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/.github/workflows/spring-prometheus-grafana-example.yml b/.github/workflows/spring-prometheus-grafana-example.yml index a4f90eb..6b97631 100644 --- a/.github/workflows/spring-prometheus-grafana-example.yml +++ b/.github/workflows/spring-prometheus-grafana-example.yml @@ -60,7 +60,7 @@ jobs: - name: Check container health run: | - echo "Verificando saúde dos containers..." + echo "Checking the health of the containers..." APP_STATUS=$(docker inspect -f '{{.State.Running}}' app || echo "false") PROMETHEUS_STATUS=$(docker inspect -f '{{.State.Running}}' prometheus || echo "false") @@ -70,7 +70,7 @@ jobs: echo "Prometheus status: $PROMETHEUS_STATUS" echo "Grafana status: $GRAFANA_STATUS" - if [ "$APP_STATUS" != "true" || "$PROMETHEUS_STATUS" != "true" || "$GRAFANA_STATUS" != "true" ]; then + if [ "$APP_STATUS" != "true" ] || [ "$PROMETHEUS_STATUS" != "true" ] || [ "$GRAFANA_STATUS" != "true" ]; then echo "::error ::An error occurred while executing the containers." exit 1 fi diff --git a/spring-prometheus-grafana-example/compose.yaml b/spring-prometheus-grafana-example/compose.yaml index be53469..251659c 100644 --- a/spring-prometheus-grafana-example/compose.yaml +++ b/spring-prometheus-grafana-example/compose.yaml @@ -15,6 +15,7 @@ services: - grafana prometheus: + container_name: prometheus image: prom/prometheus:v3.5.0 ports: - "9090:9090" @@ -24,6 +25,7 @@ services: - '--config.file=/etc/prometheus/prometheus.yml' grafana: + container_name: grafana image: grafana/grafana:12.1.0 ports: - "3000:3000" From 2e94e2402a4ea736b7d6773ba7bf738b208f2dd2 Mon Sep 17 00:00:00 2001 From: igorcampos-dev Date: Fri, 25 Jul 2025 23:18:44 -0300 Subject: [PATCH 05/11] chore(spring-prometheus-grafana-example): include new labeler and adjustment name of projects labelers --- .github/labeler.yml | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/.github/labeler.yml b/.github/labeler.yml index 65711e0..0cf5cce 100644 --- a/.github/labeler.yml +++ b/.github/labeler.yml @@ -1,10 +1,16 @@ -"component : spring-kafka-example": +"project : spring-kafka-example": - changed-files: - any-glob-to-any-file: 'spring-kafka-example/**/*' +"project : spring-prometheus-grafana-example": + - changed-files: + - any-glob-to-any-file: 'spring-prometheus-grafana-example/**/*' + "type: dependency-upgrade": - changed-files: - - any-glob-to-any-file: spring-kafka-example/pom.xml + - any-glob-to-any-file: + - spring-kafka-example/pom.xml + - spring-prometheus-grafana-example/pom.xml "ci: github-actions": - changed-files: From 65dab16e0117a6f1b066e4c511165ffc3328724d Mon Sep 17 00:00:00 2001 From: Igor de campos <146300081+igorcampos-dev@users.noreply.github.com> Date: Fri, 25 Jul 2025 23:23:08 -0300 Subject: [PATCH 06/11] Update README.md --- spring-prometheus-grafana-example/README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/spring-prometheus-grafana-example/README.md b/spring-prometheus-grafana-example/README.md index 2af6c77..f9039ec 100644 --- a/spring-prometheus-grafana-example/README.md +++ b/spring-prometheus-grafana-example/README.md @@ -25,8 +25,8 @@ in customizable dashboards using Grafana. | Service | Local URL | Username/Password | |------------|------------------------------------------------|-------------------| -| Prometheus | [http://localhost:9090](http://localhost:9090) | admin/admin | -| Grafana | [http://localhost:3000](http://localhost:3000) | none/none | +| Prometheus | [http://localhost:9090](http://localhost:9090) | none/none | +| Grafana | [http://localhost:3000](http://localhost:3000) | admin/admin | --- From af35e8215fa68142cb0f840a86967456acbf4c08 Mon Sep 17 00:00:00 2001 From: Igor de campos <146300081+igorcampos-dev@users.noreply.github.com> Date: Fri, 25 Jul 2025 23:25:57 -0300 Subject: [PATCH 07/11] Update TestController.java --- .../src/main/java/com/io/example/controller/TestController.java | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/spring-prometheus-grafana-example/src/main/java/com/io/example/controller/TestController.java b/spring-prometheus-grafana-example/src/main/java/com/io/example/controller/TestController.java index 621391f..8aee654 100644 --- a/spring-prometheus-grafana-example/src/main/java/com/io/example/controller/TestController.java +++ b/spring-prometheus-grafana-example/src/main/java/com/io/example/controller/TestController.java @@ -9,7 +9,7 @@ public class TestController { @GetMapping - public String String(){ + public String getStatus(){ return "ok"; } From 021ca67934b871ad89d5a0849d8824fd5a7df7ee Mon Sep 17 00:00:00 2001 From: Igor de campos <146300081+igorcampos-dev@users.noreply.github.com> Date: Fri, 25 Jul 2025 23:35:20 -0300 Subject: [PATCH 08/11] Update compose.yaml --- spring-prometheus-grafana-example/compose.yaml | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/spring-prometheus-grafana-example/compose.yaml b/spring-prometheus-grafana-example/compose.yaml index 251659c..37ea611 100644 --- a/spring-prometheus-grafana-example/compose.yaml +++ b/spring-prometheus-grafana-example/compose.yaml @@ -10,9 +10,6 @@ services: SPRING_PROFILES_ACTIVE: prd ports: - "80:80" - depends_on: - - prometheus - - grafana prometheus: container_name: prometheus @@ -23,6 +20,8 @@ services: - ./docker/prometheus.yml:/etc/prometheus/prometheus.yml command: - '--config.file=/etc/prometheus/prometheus.yml' + depends_on: + - app grafana: container_name: grafana From 7fd5e692113b22a0a99a2ab7a3045d2efeb184a5 Mon Sep 17 00:00:00 2001 From: Igor de campos <146300081+igorcampos-dev@users.noreply.github.com> Date: Fri, 25 Jul 2025 23:39:29 -0300 Subject: [PATCH 09/11] Update compose.yaml --- spring-prometheus-grafana-example/compose.yaml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/spring-prometheus-grafana-example/compose.yaml b/spring-prometheus-grafana-example/compose.yaml index 37ea611..8ec56c5 100644 --- a/spring-prometheus-grafana-example/compose.yaml +++ b/spring-prometheus-grafana-example/compose.yaml @@ -31,8 +31,8 @@ services: depends_on: - prometheus environment: - - GF_SECURITY_ADMIN_USER=admin - - GF_SECURITY_ADMIN_PASSWORD=admin + - GF_SECURITY_ADMIN_USER=admin #⚠️ DO NOT USE IN PRODUCTION + - GF_SECURITY_ADMIN_PASSWORD=admin #⚠️ DO NOT USE IN PRODUCTION volumes: - ./docker/provisioning/datasources:/etc/grafana/provisioning/datasources - ./docker/provisioning/dashboards:/etc/grafana/provisioning/dashboards From 8c90c788c769f0ce18da2a4c4813449ec60c022d Mon Sep 17 00:00:00 2001 From: Igor de campos <146300081+igorcampos-dev@users.noreply.github.com> Date: Fri, 25 Jul 2025 23:42:51 -0300 Subject: [PATCH 10/11] Update README.md --- spring-prometheus-grafana-example/README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/spring-prometheus-grafana-example/README.md b/spring-prometheus-grafana-example/README.md index f9039ec..ba8dbbb 100644 --- a/spring-prometheus-grafana-example/README.md +++ b/spring-prometheus-grafana-example/README.md @@ -14,7 +14,7 @@ in customizable dashboards using Grafana. ## Tech stack - Spring Boot -- Spring actuator +- Spring Actuator - Java 21 - Prometheus (Docker) - Grafana (Docker) @@ -25,7 +25,7 @@ in customizable dashboards using Grafana. | Service | Local URL | Username/Password | |------------|------------------------------------------------|-------------------| -| Prometheus | [http://localhost:9090](http://localhost:9090) | none/none | +| Prometheus | [http://localhost:9090](http://localhost:9090) | n/a | | Grafana | [http://localhost:3000](http://localhost:3000) | admin/admin | --- From 4b0f616b81edf07cc445980bdf5f9867c2f67990 Mon Sep 17 00:00:00 2001 From: Igor de campos <146300081+igorcampos-dev@users.noreply.github.com> Date: Fri, 25 Jul 2025 23:44:31 -0300 Subject: [PATCH 11/11] Update labeler.yml --- .github/labeler.yml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/.github/labeler.yml b/.github/labeler.yml index 0cf5cce..38c53b8 100644 --- a/.github/labeler.yml +++ b/.github/labeler.yml @@ -1,8 +1,8 @@ -"project : spring-kafka-example": +"project: spring-kafka-example": - changed-files: - any-glob-to-any-file: 'spring-kafka-example/**/*' -"project : spring-prometheus-grafana-example": +"project: spring-prometheus-grafana-example": - changed-files: - any-glob-to-any-file: 'spring-prometheus-grafana-example/**/*'