It appears that your reverse proxy set up is broken.

[nicolimo86]

Jenkins shows the message "It appears that your reverse proxy set up is broken. " in the page http://host/jenkins/manage.
This issue is present despite I see the following lines in the nginx config file:

# Fix the "It appears that your reverse proxy set up is broken" error.
        proxy_pass              http://jenkins:8080/jenkins/;
        proxy_read_timeout      90;

        proxy_redirect          http://jenkins:8080/jenkins http://localhost/jenkins;

This line is present in the Jenkins's logs:
jenkins | 2020-03-23 17:07:13.425+0000 [id=68] WARNING h.d.ReverseProxySetupMonitor#getTestForReverseProxySetup: http://10.69.122.183/jenkins/manage vs. http:

[aamsur]

PR #4 will solve this issue. @mjstealey

[cw1427]

jenkins 8080 port can not be accessed in nginx continer. How to resolve it?