Boa sugestão. Testei em nosso ambiente de staging, mas, infelizmente, não resolveu o problema..
No Chrome, vejo erros como o seguinte:
Falha ao executar 'postMessage' em 'DOMWindow': A origem de destino fornecida ('https://test-discourse.comses.net') não corresponde à origem da janela de destino ('https://test.comses.net').
(de https://test.comses.net/codebases/f0613922-9cb1-4656-a26c-af57f823fb69/releases/3.2.0/)
Outras pessoas aqui pareceram resolver isso garantindo que o DiscourseEmbed.discourseEmbedUrl fosse o mesmo da URL de referência, mas verifiquei que ele ainda estava correto.. Procurei nos logs do Discourse (devo estar olhando para /var/discourse/shared/standalone/log/rails/production.log?), mas não vi nenhum erro lá também.. Alguma outra ideia de onde procurar para solucionar isso?
Um exemplo dos logs do Discourse:
Started GET "/embed/comments?embed_url=https%3A%2F%2Ftest.comses.net%2Fcodebases%2Ff0613922-9cb1-4656-a26c-af57f823fb69%2Freleases%2F3.2.0%2F" for 72.201.57.141 at 2020-08-05 05:15:40 +0000
Processing by EmbedController#comments as HTML
Parameters: {"embed_url"=>"https://test.comses.net/codebases/f0613922-9cb1-4656-a26c-af57f823fb69/releases/3.2.0/"}
Rendering embed/loading.html.erb within layouts/embed
Rendered embed/loading.html.erb within layouts/embed (Duration: 0.4ms | Allocations: 134)
Completed 200 OK in 91ms (Views: 1.8ms | ActiveRecord: 0.0ms | Allocations: 16308)
Started GET "/service-worker-c8000968830b6f6bd33f1e842dffdd569664119d449f93dc7d428d963a71635d.js" for 72.201.57.141 at 2020-08-05 05:15:42 +0000
Processing by StaticController#service_worker_asset as */*
Rendering text template
Rendered text template (Duration: 0.0ms | Allocations: 1)
Completed 200 OK in 27ms (Views: 1.3ms | ActiveRecord: 0.0ms | Allocations: 6617)