source 'https://rubygems.org' gem 'fluentd', '<=1.2.4' gem 'activesupport', '~>5.2.1' gem 'fluent-plugin-kubernetes_metadata_filter', '~>2.0.0' gem 'fluent-plugin-elasticsearch', '~>2.11.5' gem 'fluent-plugin-systemd', '~>1.0.1' gem 'fluent-plugin-detect-exceptions', '~>0.0.11' gem 'fluent-plugin-prometheus', '~>1.0.1' gem 'fluent-plugin-multi-format-parser', '~>1.0.0' gem 'oj', '~>3.6.5'