Merge branch 'instrument-infra' into 'master'

Add Prometheus metrics endpoint and basic infrastructure to meter code

See merge request !11553

1 files changed, 3 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index 56f5a8f6a41..e197f53d9b5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -268,6 +268,9 @@ group :metrics do
   gem 'allocations', '~> 1.0', require: false, platform: :mri
   gem 'method_source', '~> 0.8', require: false
   gem 'influxdb', '~> 0.2', require: false
+
+  # Prometheus
+  gem 'prometheus-client-mmap', '~>0.7.0.beta5'
 end
 
 group :development do