nginx upstream errror with wordpress container #933

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1. casi commented on May 31, 2022

   

   casi

   on May 31, 2022

   Last edited by casi

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   The same with my Rails app. If I use docker run ... all containers work, but as soon as I use docker compose I get the same 502 message. With or without SSL.
   I have a small Sinatra app running in another container. It only works there without docker compose too.

   $ docker logs nginx-proxy:

   nginx.1     | 2022/05/31 15:26:21 [error] 205#205: *129 no live upstreams while connecting to upstream, client: [...], server: <subdomain.domain.tld>, request: "GET / HTTP/2.0", upstream: "http://<subdomain.domain.tld>/", host: "<subdomain.domain.tld>"
   
2. arnold-maderthaner commented on Jun 4, 2022

   

   arnold-maderthaner

   on Jun 4, 2022

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   same issue here - anyone has a solution for this or how to further debug ?
3. webguywalker commented on Jul 14, 2022

   

   webguywalker

   on Jul 14, 2022

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   @seking01 @casi @arnold-maderthaner
   TLDR; - I downgraded from nginx:alpine to nginx:1.20-alpine and it worked for me.

   I'm not sure if this would help but I was setting this up a wordpress container as well and after a day or netstat, telnet, docker inspect, curl, reading nginx docs, and feeling like a docker failure I had a sanity check with myself and realized that maybe I wasn't doing anything wrong at all :) how about I just pin to a older version of nginx and boom it worked.

   I first triednginx:alpine and got the same error you mentioned regarding no live upstreams then I downgraded to nginx:1.20-alpine and it worked. Being excited I also tried nginx:1.21-alpine , nginx:1.22-alpine, nginx:1.23-alpine and they worked as well.

   Confusing part is nginx:alpine, nginx:1.23-alpine currently both are running nginx 1.23 so for kicks I retried nginx:alpine and it worked too 🤕 . I was suspecting something introduced in nginx 1.23 was the culprit but too tired to chase this ghost for now.
4. webguywalker commented on Jul 14, 2022

   

   webguywalker

   on Jul 14, 2022

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   example compose file i'm using https://gist.github.com/webguywalker/3b6e699f2cbe8f7b814e904e8f0095d3

   Note:
   my actual setup is a but more complicated with multiple files, networks and etc. and I haven't tested that file specifically but hopefully it helps, update to fit your needs.