add Prometheus job example

README.md

@@ -1 +1,33 @@
-# php-fpm-exporter for K8S environments
+# php-fpm-exporter for K8S environments
+
+
+### Prometheus job example
+
+```$yaml
+  - job_name: 'kubernetes-php-fpm-endpoints'
+    scrape_interval: 10s
+    metrics_path: /metrics
+    kubernetes_sd_configs:
+      - role: endpoints
+    relabel_configs:
+      - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_php_fpm]
+        action: keep
+        regex: true
+      - source_labels: [__address__]
+        regex: ([^:]+)(?::\d+)?
+        replacement: tcp://${1}:9000/status
+        target_label: __param_target
+      - target_label: __address__
+        replacement: "{{ PHPFPM_EXPORTER_ADDRESS }}"
+      - source_labels: [__param_target]
+        target_label: target
+      - action: labelmap
+        regex: __meta_kubernetes_service_label_(.+)
+      - source_labels: [__meta_kubernetes_namespace]
+        action: replace
+        target_label: kubernetes_namespace
+      - source_labels: [__meta_kubernetes_service_name]
+        action: replace
+        target_label: kubernetes_name
+
+```