source 'https://rubygems.org' gem 'activesupport', '6.0.2.1' gem 'fluentd', '1.8.0' gem 'fluent-plugin-concat', '2.4.0' gem 'fluent-plugin-detect-exceptions', '0.0.13' gem 'fluent-plugin-elasticsearch', '3.8.0' gem 'fluent-plugin-kubernetes_metadata_filter', '2.4.1' gem 'fluent-plugin-multi-format-parser', '1.0.0' gem 'fluent-plugin-prometheus', '1.7.0' gem 'fluent-plugin-systemd', '1.0.2' gem 'oj', '3.10.0'