Provide metrics on root URL

config/test.exs

@@ -0,0 +1,14 @@
+import Config
+
+# We don't run a server during test. If one is required,
+# you can enable the server option below.
+config :kafkaex_lag_exporter, KafkaexLagExporterWeb.Endpoint,
+  http: [ip: {127, 0, 0, 1}, port: 4002],
+  secret_key_base: "+3V7k0WsFksjqGwm5O54NJQX4Sz9LLr8CSJp+4X6UOXBX6IUwzMOqrRQOsziQ6mv",
+  server: false
+
+# Print only warnings and errors during test
+config :logger, level: :warn
+
+# Initialize plugs at runtime for faster test compilation
+config :phoenix, :plug_init_mode, :runtime