Rails 5.1 Webrick includes Content-Length whereas Puma does not

Question

Rails 5.1.4 Webrick includes Content-Length in the response header. Changing to Puma 3.10.0 causes the Content-Length to no longer appear. Is there a Puma setting to include the Content-Length property in the response header?

did you read https://stackoverflow.com/questions/29112728/when-does-rails-respond-with-transfer-encoding-vs-content-length — Fabrizio Bertoglio, Nov 19 '17 at 11:02
I did see that post. I’m not not sure if Webrick always sends the Content-Length and Rails has to explicitly set Content-Length when using Puma. Right now I am not setting Content-Length yet Webrick correctly sets it. — hooinator, Nov 19 '17 at 20:40

score 1 · Answer 1 · answered May 08 '20 at 06:50

1

Use Rack::ContentLength middleware as suggested here: https://github.com/rails/rails/issues/32585

Add this to your development.rb / production.rb

config.middleware.use(Rack::ContentLength)

answered May 08 '20 at 06:50

user3726408

11
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Rails 5.1 Webrick includes Content-Length whereas Puma does not

1 Answers1