Merge pull request #70 from stackhpc/feature/prometheus_v2/ussuri

Add Prometheus 2.x image in Ussuri

Author: cityofships

docker/prometheus/prometheus-server/Dockerfile.j2

@@ -6,7 +6,7 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
 {% block prometheus_server_header %}{% endblock %}
 
 {% block prometheus_server_repository_version %}
-ENV prometheus_version=1.8.2
+ENV prometheus_version=2.25.0
 {% endblock %}
 
 {% block prometheus_server_install %}