[GH-ISSUE #2930] Docker/Podman healthcheck doesn't work with signal and relay containers #6353

New Issue

saavagebueno · 2026-08-05T01:07:53-04:00

saavagebueno commented

2026-08-05 01:07:53 -04:00

Originally created by @mradermaxlol on GitHub (Nov 22, 2024).
Original GitHub issue: https://github.com/netbirdio/netbird/issues/2930

Describe the problem

Docker/Podman healthcheck fails for signal & relay containers as, apparently, there is no /bin/sh in their base (distroless) image:
Error: crun: executable file /bin/sh not found in $PATH: No such file or directory: OCI runtime attempted to invoke a command that was not found
Healthcheck works fine for e.g. management container (as it's Ubuntu-based).

AFAIK the healthcheck mechanism doesn't allow specifying a binary path directly (and so /bin/sh invocation can't be bypassed).

I'm using the following healthcheck snippets for signal & relay, respectively:

healthcheck:
  start_period: 5s
  timeout: 3s
  interval: 15s
  retries: 2
  test: "ps aux | grep -v grep | grep -q netbird-signal || exit 1"

healthcheck:
  start_period: 5s
  timeout: 3s
  interval: 15s
  retries: 2
  test: "ps aux | grep -v grep | grep -q netbird-relay || exit 1"

As a suggestion on how to make it work - perhaps it's worth creating symlink to the actual shell in the containers' Dockerfiles? One extra line sounds reasonable.

To Reproduce

Steps to reproduce the behavior:

Add the aforementioned healthcheck snippets to the compose file (for signal & relay containers)
Start the compose project
Experience healthcheck errors in system logs
Also experience wrong container health status

Expected behavior
Healthcheck works for singal & relay containers.

Are you using NetBird Cloud?
No.

NetBird version
0.32.0

NetBird status -dA output:
N/A

Do you face any (non-mobile) client issues?
N/A

Screenshots
N/A

Additional context
N/A

Originally created by @mradermaxlol on GitHub (Nov 22, 2024). Original GitHub issue: https://github.com/netbirdio/netbird/issues/2930 **Describe the problem** Docker/Podman healthcheck fails for signal & relay containers as, apparently, there is no /bin/sh in their base (distroless) image: `Error: crun: executable file /bin/sh not found in $PATH: No such file or directory: OCI runtime attempted to invoke a command that was not found` Healthcheck works fine for e.g. management container (as it's Ubuntu-based). AFAIK the healthcheck mechanism doesn't allow specifying a binary path directly (and so `/bin/sh` invocation can't be bypassed). I'm using the following healthcheck snippets for signal & relay, respectively: ``` healthcheck: start_period: 5s timeout: 3s interval: 15s retries: 2 test: "ps aux | grep -v grep | grep -q netbird-signal || exit 1" ``` ``` healthcheck: start_period: 5s timeout: 3s interval: 15s retries: 2 test: "ps aux | grep -v grep | grep -q netbird-relay || exit 1" ``` As a suggestion on how to make it work - perhaps it's worth creating symlink to the actual shell in the containers' Dockerfiles? One extra line sounds reasonable. **To Reproduce** Steps to reproduce the behavior: 1. Add the aforementioned healthcheck snippets to the compose file (for signal & relay containers) 2. Start the compose project 3. Experience healthcheck errors in system logs 4. Also experience wrong container health status **Expected behavior** Healthcheck works for singal & relay containers. **Are you using NetBird Cloud?** No. **NetBird version** `0.32.0` **NetBird status -dA output:** N/A **Do you face any (non-mobile) client issues?** N/A **Screenshots** N/A **Additional context** N/A

saavagebueno added the waiting-feedback triage-needed labels 2026-08-05 01:07:53 -04:00

saavagebueno closed this issue

2026-08-05 01:07:53 -04:00

saavagebueno commented

2026-08-05 01:07:53 -04:00

@nazarewk commented on GitHub (Apr 28, 2025):

Hello @mradermaxlol,

We're currently reviewing our open issues and would like to verify if this problem still exists in the latest NetBird version.

Could you please confirm if the issue is still there?

We may close this issue temporarily if we don't hear back from you within 2 weeks, but feel free to reopen it with updated information.

Thanks for your contribution to improving the project!

@nazarewk commented on GitHub (Apr 28, 2025): Hello @mradermaxlol, We're currently reviewing our open issues and would like to verify if this problem still exists in the [latest NetBird version](https://github.com/netbirdio/netbird/releases). Could you please confirm if the issue is still there? We may close this issue temporarily if we don't hear back from you within **2 weeks**, but feel free to reopen it with updated information. Thanks for your contribution to improving the project!

saavagebueno commented

2026-08-05 01:07:53 -04:00

@mlsmaycon commented on GitHub (Jun 1, 2025):

closing issue due to no recent feedback. Feel free to open a new one if the issue persist or reopen if this was a feature request.

@mlsmaycon commented on GitHub (Jun 1, 2025): closing issue due to no recent feedback. Feel free to open a new one if the issue persist or reopen if this was a feature request.

saavagebueno referenced this issue

2026-08-05 01:30:08 -04:00

[GH-ISSUE #6353] [Proposal] DoH and NextDNS upstream nameserver support #11603

saavagebueno referenced this issue

2026-08-05 01:32:37 -04:00

[GH-ISSUE #6353] [Proposal] DoH and NextDNS upstream nameserver support #12193

saavagebueno referenced this issue

2026-08-05 01:32:39 -04:00

[GH-ISSUE #6353] [Proposal] DoH and NextDNS upstream nameserver support #12208

saavagebueno referenced this issue

2026-08-05 02:07:11 -04:00

[GH-ISSUE #6353] [Proposal] DoH and NextDNS upstream nameserver support #12987

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Reference: DYNR/netbird#6353