Docker fails to start with "standard_init_linux.go:219: exec user process caused: exec format error" about wg-manager HOT 3 OPEN

This I believe is due to the incorrect architecture. I would take a guess that you are trying to run amd64 on the PI, but PI is ARM.

Because you have an RPI with 8 GB, it has sufficient memory to compile the docker images. comment out or remove the image key in the docker-compose file and add

build:
      context: https://github.com/perara/wg-manager.git#master

This will probably take an hour or so. Please report back if this worked, and I'll try to set up similar builds as multi-arch building currently is bugged

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Same here!

I have IoT devices and if I pull and image compiled from github ci (amd) does not work, so, I have to build the image into one of the devices and the push it to the server for the other devices.

Solution:

• Build image into Pi (arm architecture)

docker build -t ghcr.io/{repo}/{image}:{version}-armv7l .
docker push ghcr.io/{repo}/{image}:{version}-armv7l

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@maguri and @DasBiest try to build using the buildx targeting to --platform linux/arm/v7. This article explains how it works https://www.docker.com/blog/multi-arch-build-and-images-the-simple-way/

Hope it helps

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