[RTC-443] Support for path in Jellyfish address (fishjam-dev#142)

config/runtime.exs

@@ -23,17 +23,11 @@ host =
     other -> other
   end
 
-{host_name, host_port} =
-  case String.split(host, ":") do
-    [host_name, host_port] -> {host_name, String.to_integer(host_port)}
-    _ -> {host, 443}
-  end
-
 config :jellyfish,
   jwt_max_age: 24 * 3600,
   media_files_path:
     System.get_env("JF_RESOURCES_BASE_PATH", "jellyfish_resources") |> Path.expand(),
-  address: "#{host}",
+  address: host,
   metrics_ip: ConfigReader.read_ip("JF_METRICS_IP") || {127, 0, 0, 1},
   metrics_port: ConfigReader.read_port("JF_METRICS_PORT") || 9568,
   dist_config: ConfigReader.read_dist_config(),
@@ -54,10 +48,16 @@ case System.get_env("JF_SERVER_API_TOKEN") do
     config :jellyfish, server_api_token: token
 end
 
+external_uri = URI.parse("//" <> host)
+
 config :jellyfish, JellyfishWeb.Endpoint,
   secret_key_base:
     System.get_env("JF_SECRET_KEY_BASE") || Base.encode64(:crypto.strong_rand_bytes(48)),
-  url: [host: host_name, port: host_port]
+  url: [
+    host: external_uri.host,
+    port: external_uri.port || 443,
+    path: external_uri.path || "/"
+  ]
 
 # In order to use HTTPS in development, a self-signed
 # certificate can be generated by running the following