From 9b429db7d259a127e7b5bf085e8de258c68d29a3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Orzech?= <pawel@pawelorzech.pl>
Date: Sun, 3 Aug 2025 13:22:49 +0200
Subject: [PATCH] Update prometheus.yml

---
 templates/monitoring/prometheus.yml | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/templates/monitoring/prometheus.yml b/templates/monitoring/prometheus.yml
index e032cb0..1af5fee 100644
--- a/templates/monitoring/prometheus.yml
+++ b/templates/monitoring/prometheus.yml
@@ -16,22 +16,32 @@ scrape_configs:
       - targets: ['localhost:9090']
 
   - job_name: 'docker-services'
-    dockerswarm_sd_configs:
+    docker_sd_configs:
       - host: unix:///var/run/docker.sock
-        role: tasks
     relabel_configs:
       # Scrape only containers that have a prometheus.scrape=true label
-      - source_labels: [__meta_dockerswarm_task_label_prometheus_scrape]
+      - source_labels: [__meta_docker_container_label_prometheus_scrape]
         action: keep
         regex: true
       # Use the container name as the instance label
-      - source_labels: [__meta_dockerswarm_task_desired_state, __meta_dockerswarm_task_name]
+      - source_labels: [__meta_docker_container_name]
         action: replace
         target_label: instance
-        regex: 'running;(.+)'
+        regex: '/(.+)'
       # Allow overriding the port
-      - source_labels: [__meta_dockerswarm_task_label_prometheus_port]
+      - source_labels: [__meta_docker_container_label_prometheus_port]
         action: replace
         target_label: __address__
         regex: '(.+)'
-        replacement: '${1}'
\ No newline at end of file
+        replacement: '${1}'
+      # Use the custom port if specified, otherwise use the first exposed port
+      - source_labels: [__meta_docker_container_label_prometheus_port, __meta_docker_port_private]
+        action: replace
+        target_label: __address__
+        regex: '([^;]+);.*'
+        replacement: '${1}'
+      - source_labels: [__address__, __meta_docker_container_label_prometheus_port]
+        action: replace
+        target_label: __address__
+        regex: '([^:]+)(?::\d+)?;(\d+)'
+        replacement: '${1}:${2}'