prometheus_exporter "postgres" do
port 9187
user "postgres"
- environment "DATA_SOURCE_NAME" => "user=postgres host=/run/postgresql #{ports.join(',')}"
+ environment "DATA_SOURCE_NAME" => "user=postgres host=/run/postgresql #{ports.join(',')}",
+ "PG_EXPORTER_EXCLUDE_DATABASES" => "postgres,template0,template1"
end