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Unix socket timeout after upgrade from Debian 9.7 to 9.8


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I have a frontend with Nginx talking to Puma over a Unix socket in two separate containers. The base image for the Puma container is ruby:2.5-slim. After clearing my Docker cache two days ago and attempting to deploy a newly built frontend, I discovered that Nginx and Puma are no longer talking to one another over the Unix socket. I have traced the immediate cause back to a shift in the version of Debian used in the ruby:2.5-slim base image from Debian 9.7 to 9.8. One thought is that there was a change in a relevant security setting between the two releases.



I've determined that rebuilding an image similar to ruby:2.5-slim starting from Debian 9.7 resolves the immediate issue. But I would like to deal with the deeper problem so that I don't have to pin the version of Debian.



What are some next steps that will help to troubleshoot this issue?









share



























    0















    I have a frontend with Nginx talking to Puma over a Unix socket in two separate containers. The base image for the Puma container is ruby:2.5-slim. After clearing my Docker cache two days ago and attempting to deploy a newly built frontend, I discovered that Nginx and Puma are no longer talking to one another over the Unix socket. I have traced the immediate cause back to a shift in the version of Debian used in the ruby:2.5-slim base image from Debian 9.7 to 9.8. One thought is that there was a change in a relevant security setting between the two releases.



    I've determined that rebuilding an image similar to ruby:2.5-slim starting from Debian 9.7 resolves the immediate issue. But I would like to deal with the deeper problem so that I don't have to pin the version of Debian.



    What are some next steps that will help to troubleshoot this issue?









    share

























      0












      0








      0








      I have a frontend with Nginx talking to Puma over a Unix socket in two separate containers. The base image for the Puma container is ruby:2.5-slim. After clearing my Docker cache two days ago and attempting to deploy a newly built frontend, I discovered that Nginx and Puma are no longer talking to one another over the Unix socket. I have traced the immediate cause back to a shift in the version of Debian used in the ruby:2.5-slim base image from Debian 9.7 to 9.8. One thought is that there was a change in a relevant security setting between the two releases.



      I've determined that rebuilding an image similar to ruby:2.5-slim starting from Debian 9.7 resolves the immediate issue. But I would like to deal with the deeper problem so that I don't have to pin the version of Debian.



      What are some next steps that will help to troubleshoot this issue?









      share














      I have a frontend with Nginx talking to Puma over a Unix socket in two separate containers. The base image for the Puma container is ruby:2.5-slim. After clearing my Docker cache two days ago and attempting to deploy a newly built frontend, I discovered that Nginx and Puma are no longer talking to one another over the Unix socket. I have traced the immediate cause back to a shift in the version of Debian used in the ruby:2.5-slim base image from Debian 9.7 to 9.8. One thought is that there was a change in a relevant security setting between the two releases.



      I've determined that rebuilding an image similar to ruby:2.5-slim starting from Debian 9.7 resolves the immediate issue. But I would like to deal with the deeper problem so that I don't have to pin the version of Debian.



      What are some next steps that will help to troubleshoot this issue?







      nginx debian socket





      share












      share










      share



      share










      asked 2 mins ago









      Eric W.Eric W.

      1136




      1136






















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