message: fixed .env.defaults example keepalive
diff: @@ -4,7 +4,7 @@ PORT=8531
  # HTTP Server's keep-alive timout
  # If using a Load Balancer ensure this is greater than
  # the Load Balancer's idle timeout to avoid potential race conditions.
  -KEEP_ALIVE_TIMEOUT_MS=60
  +KEEP_ALIVE_TIMEOUT_MS=
  # Public URL. This must be the URL that users will use to access a12nserver.
  # If this is not provided or incorrect, this will result in the server not
  