MiroTalk SFU: Recording not possible?

[nebulon]

Thanks for all the insights here. So I think the folder to store recordings should then default to /app/data/rec or so with an option to configure that to use a different volume (not sure how large those recordings are)

For RTMP_DIR is this some kind of temporary directory and thus maybe should be configured as /tmp/... or maybe even /run/... ?

[MiroTalk]

Yeah, setting the recordings directory RECORDING_DIR to /app/data/rec makes sense. This keeps all generated recordings inside the application’s persistent data area, which is consistent and easy to manage.

Regarding RTMP_DIR, it is not a temporary directory.
This directory is used to store the media files that will be streamed via RTMP. Since these files may need to remain available for repeated or scheduled streaming, it’s better to keep them in a persistent and organized location. Can be also in /app/data/rtmp as consistent with the rest of the project’s data layout.

So in summary:

• RECORDING_DIR → /app/data/rec
  Stores recordings generated by the application.

• RTMP_DIR → /app/data/rtmp
  Stores video files intended for RTMP streaming, not temporary, should persist.

[nebulon]

perfect, I will prepare a package update then. So just to double check, this only applies to the SFU flavor of mirotalk?

[MiroTalk]

perfect, I will prepare a package update then. So just to double check, this only applies to the SFU flavor of mirotalk?

WIP on MiroTalk SFU: Let me fix this first, then I’ll ping you when done

[nebulon]

in case your code would ensure the paths via "mkdirp()" it would make the package code easier

[MiroTalk]

@nebulon @James @shrey

Implemented in MiroTalk SFU v2.0.14 — Docker image is building now (available in ~1 hour).

• Commit
• Build

For Cloudron deployments, server-side recording should now work using the following configuration:

Recording

RECORDING_ENABLED=true
RECORDING_DIR='../data/rec'            # Path relative to /app/code → resolves to /app/data/rec
RECORDING_MAX_FILE_SIZE=1073741824     # Max file size in bytes (default: 1GB)

RTMP

RTMP_DIR='../data/rtmp'                # Path relative to /app/code → resolves to /app/data/rtmp

Note

If the target directories do not exist, MiroTalk SFU will automatically create them at runtime, just like before.

Cloudron automatically mounts /app/data, so using ../data/... ensures the app writes to the persistent, writable directory.

[nebulon]

New package is out. Thanks for all the work @mirotalk-57bab571 and being so proactive here!

[MiroTalk]

@nebulon said in MiroTalk SFU: Recording not possible?:

New package is out. Thanks for all the work @mirotalk-57bab571 and being so proactive here!

Good! I’m always here to help. Thanks to Cloudron for trusting MiroTalk and supporting us! By the way, I love the new Cloudron UI v.9.0.10, it looks amazing!

[MiroTalk]

PS: Thanks also to @James for his IT support and excellent debugging and suggestions.

[shrey]

Hi @nebulon @mirotalk-57bab571
So, i'm still unable to boot up the app after setting RECORDING_ENABLED=true :

Nov 15 09:36:54 node:fs:1364
Nov 15 09:36:54 const result = binding.mkdir(
Nov 15 09:36:54 ^
Nov 15 09:36:54 2025-11-15T04:06:54Z
Nov 15 09:36:54 Error: ENOENT: no such file or directory, mkdir '/app/code/app/rec/'
Nov 15 09:36:54 at Object.mkdirSync (node:fs:1364:26)
Nov 15 09:36:54 at Object.<anonymous> (/app/code/app/src/Server.js:280:12)
Nov 15 09:36:54 at Module._compile (node:internal/modules/cjs/loader:1554:14)
Nov 15 09:36:54 at Object..js (node:internal/modules/cjs/loader:1706:10)
Nov 15 09:36:54 at Module.load (node:internal/modules/cjs/loader:1289:32)
Nov 15 09:36:54 at Function._load (node:internal/modules/cjs/loader:1108:12)
Nov 15 09:36:54 at TracingChannel.traceSync (node:diagnostics_channel:322:14)
Nov 15 09:36:54 at wrapModuleLoad (node:internal/modules/cjs/loader:220:24)
Nov 15 09:36:54 at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:170:5)
Nov 15 09:36:54 at node:internal/main/run_main_module:36:49 {
Nov 15 09:36:54 errno: -2,
Nov 15 09:36:54 code: 'ENOENT',
Nov 15 09:36:54 syscall: 'mkdir',
Nov 15 09:36:54 path: '/app/code/app/rec/'
Nov 15 09:36:54 }
Nov 15 09:36:54 2025-11-15T04:06:54Z
Nov 15 09:36:54 Node.js v22.14.0
Nov 15 09:36:54 \

[MiroTalk]

@shrey said in MiroTalk SFU: Recording not possible?:

So, i'm still unable to boot up the app after setting RECORDING_ENABLED=true

Forget the previous env configuration. In the latest Cloudron commit, recording is enabled by default, and the app/data path now appears to be automatically resolved as well.

[shrey]

@mirotalk-57bab571

I restarted the updated app, but i still get only this:

No rec folder available, and no default recording taking place.

[shrey]

@mirotalk-57bab571

It seems like 2 separate updated packages have been released for this.
Just came across the 2nd one and updated the app again.

1. The rec folder is now available in /app/data/
2. All recordings are still being saved on the local device only. No server-side recording. No S3 recording.