mastodon-streaming-baseurl.patch

diff --git a/config/initializers/ostatus.rb b/config/initializers/ostatus.rb
index 342996d..6f29ea3 100644
--- a/config/initializers/ostatus.rb
+++ b/config/initializers/ostatus.rb
@@ -16,7 +16,7 @@ Rails.application.configure do
   config.x.alternate_domains = alternate_domains.split(/\s*,\s*/)

   config.action_mailer.default_url_options = { host: web_host, protocol: https ? 'https://' : 'http://', trailing_slash: false }
-  config.x.streaming_api_base_url          = 'ws://localhost:4000'
+  config.x.streaming_api_base_url          = ENV.fetch('STREAMING_API_BASE_URL') { "ws://localhost:4000" }

   if Rails.env.production?
     config.x.streaming_api_base_url = ENV.fetch('STREAMING_API_BASE_URL') { "ws#{https ? 's' : ''}://#{web_host}" }