Vaultwarden does not start inside docker container #1474

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MrUnknownDE · 2026-04-06T01:55:58+02:00

MrUnknownDE commented

2026-04-06 01:55:58 +02:00

Originally created by @PhoenixKarton on 9/1/2023

Subject of the issue

Vaultwarden does not start inside docker container

Deployment environment

vaultwarden version: 1.29.2

Install method: Docker image
Clients used: all
Reverse proxy and version: caddy v2.7.4

Steps to reproduce

Newest Version (1.29.2) of docker image won't start. Logs return this:

thread 'main' panicked at 'OS can't spawn worker thread: Operation not permitted (os error 1)', /root/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.31.0/src/runtime/scheduler/multi_thread/worker.rs:447:13
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

After downgrading to Version 1.29.1 everything worked fine.

Expected behaviour

Docker container working

Actual behaviour

Docker container not working

Troubleshooting data

*Originally created by @PhoenixKarton on 9/1/2023*   ### Subject of the issue  Vaultwarden does not start inside docker container ### Deployment environment     * vaultwarden version: 1.29.2  * Install method: Docker image * Clients used: all * Reverse proxy and version: caddy v2.7.4 ### Steps to reproduce Newest Version (1.29.2) of docker image won't start. Logs return this: ``` thread 'main' panicked at 'OS can't spawn worker thread: Operation not permitted (os error 1)', /root/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.31.0/src/runtime/scheduler/multi_thread/worker.rs:447:13 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace ``` After downgrading to Version 1.29.1 everything worked fine. ### Expected behaviour Docker container working ### Actual behaviour Docker container not working ### Troubleshooting data

MrUnknownDE closed this issue

2026-04-06 01:55:58 +02:00

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Reference: github/vaultwarden#1474