Feature 10981: extended Prometheus sidecar to dump alerts rules in config files

Change-Id: Ic454c894b60d0b2b88b6ea81ca35a0bf4d54ebac
Signed-off-by: aguilard <e.dah.tid@telefonica.com>
diff --git a/docker/Prometheus/Dockerfile b/docker/Prometheus/Dockerfile
index 228f597..1bdbaf9 100644
--- a/docker/Prometheus/Dockerfile
+++ b/docker/Prometheus/Dockerfile
@@ -22,6 +22,8 @@
 ENV MONGODB_URL mongodb://mongo:27017
 ENV PROMETHEUS_CONFIG_FILE /etc/prometheus/prometheus.yml
 ENV PROMETHEUS_BASE_CONFIG_FILE /etc/prometheus_base/prometheus.yml
+ENV PROMETHEUS_ALERTS_FILE /etc/prometheus/osm_alert_rules.yml
+ENV PROMETHEUS_BASE_ALERTS_FILE /etc/prometheus_base/osm_alert_rules.yml
 ENV TARGET_DATABASE osm
 
 WORKDIR /code