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[Resolved] Can't upload pictures (lemmy.ftp.rip)

submitted 1 year ago* (last edited 1 year ago) by dotmatrix@lemmy.ftp.rip to c/lemmy_support@lemmy.ml

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So I'm currently trying to set up an instance, and I'm unable to upload pictures. The following toaster appears: https://imgur.com/d0MUhUb

And in the logs I see this:

2023-06-25T10:48:11.127198782Z 2023-06-25T10:48:11.127080Z  WARN lemmy_server::root_span_builder: Request error: error sending request for url (http://localhost:8080/image): error trying to connect: tcp connect error: Address not available (os error 99)
2023-06-25T10:48:11.127262799Z Reqwest(reqwest::Error { kind: Request, url: Url { scheme: "http", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("localhost")), port: Some(8080), path: "/image", query: None, fragment: None }, source: hyper::Error(Connect, ConnectError("tcp connect error", Os { code: 99, kind: AddrNotAvailable, message: "Address not available" })) })

I have a pictrs container up, and set the following options in lemmy.hjson:

  pictrs_config: {
    url: "http://pictrs:8080"
    api_key: "apikey"
  }

Also tried it with pictrs_url: "http://pictrs:8080" (as described here), but that didn't help either. Why is lemmy trying to access localhost:8080 rather than pictrs:8080?

Edit: This has been resolved, thanks to @slashzero@hackbox.social: https://lemmy.ml/comment/948928

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[–] dotmatrix@lemmy.ftp.rip 2 points 1 year ago* (last edited 1 year ago) (1 children)

Yeah no, DNS works in the containers:

dot@deepthought:~# docker exec -it lemmy-lemmy-1 ping pictrs
PING pictrs (192.168.7.2): 56 data bytes
64 bytes from 192.168.7.2: seq=0 ttl=64 time=0.079 ms

However, your hunch did actually turn out to be correct in that there's still a networking issue: I opened a port for pictrs and hit the API with postman, and noticed it would show up in the pictrs logs which were empty before. So I changed the url to the host's IP and the open port, and now it works. :)

lemmy.hjson:

  pictrs: {
    url: "http://192.168.123.21:4808"
    api_key: "apikey"
  }

docker-compose.yaml:

pictrs:
...
  ports:
        - "4808:8080"

[–] slashzero@hakbox.social 3 points 1 year ago* (last edited 1 year ago)

Oh, good idea! Whatever works for you. I spent several hours yesterday trying all sorts of networking hacks to resolve the issue on my instance. I eventually found a combination that worked for me.

The concern here is we are all solving this issue in slightly different ways on our self hosted instances. Eventually, I hope the lemmy dev team releases 0.18.1 fixing all these issues for good.