bug: hanging during docker run with docker v4.30.0

[cbortz]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

When I try to start localstack, using DEBUG=1 localstack start, the process hangs and never starts localstack.

Here's a snippet:

2024-05-15T17:24:12.021 DEBUG --- [  MainThread] plux.runtime.manager       : loading plugin localstack.hooks.configure_localstack_container:_mount_machine_file
2024-05-15T17:24:12.021 DEBUG --- [  MainThread] l.u.c.docker_cmd_client    : Run container with cmd: ['docker', 'run', '--rm', '--entrypoint', 'sh', '-p', '0.0.0.0:53:53/udp', '-p', '0.0.0.0:53:53', 'localstack/localstack', '-c', 'echo test123']
2024-05-15T17:24:12.021 DEBUG --- [  MainThread] localstack.utils.run       : Executing command: ['docker', 'run', '--rm', '--entrypoint', 'sh', '-p', '0.0.0.0:53:53/udp', '-p', '0.0.0.0:53:53', 'localstack/localstack', '-c', 'echo test123']

full-log.txt

Expected Behavior

Localstack should start.

How are you starting LocalStack?

With a docker-compose file

Steps To Reproduce

How are you starting localstack (e.g., bin/localstack command, arguments, or docker-compose.yml)

EAGER_SERVICE_LOADING=1 SERVICES="s3" localstack start -d

Environment

- OS: MacOS Sonoma 14.4.1
- LocalStack: 3.4.0 (via Homebrew)
- Docker: 4.30.0

Anything else?

Rolling Docker back to v4.29.0 works fine.

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[MarcelStranak]

Hello @cbortz,

The issue should be addressed in Docker Desktop 4.30.0.

A similar case was reported in #10340 and resolved by the Docker team as seen in docker/for-mac#7207.

I recommend trying our minimal S3 image with docker pull localstack/localstack:s3-latest, tailored to your specific S3 service usage.

[Igormandello]

@cbortz

I'm having the same issue on Docker Desktop v4.30.0 and was able to solve it going to my Docker Desktop Settings > Resources > Network and disable Use kernel networking for UDP.

The interesting part is that it was suggested here, and didn't seem to fix the problem in that version.

[MarcelStranak]

Thank you, @Igormandello, for the information.

We are now aware of the issue and will investigate a possible resolution.

Meanwhile, you can also switch to our default docker-compose.yml, as port 53 is not assigned, allowing LocalStack to start without issues.