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Unable to start lemmy docker (beehaw.org)

submitted 1 year ago by small44@beehaw.org to c/programming@beehaw.org

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I would like to contribute to lemmy but I have issue with the docker image. I got this error when trying to execute docker-compose up : "ERROR: Service 'lemmy' failed to build: the --mount option requires BuildKit. Refer to https://docs.docker.com/go/buildkit/ to learn how to build images with BuildKit enabled"

I executed the commands that was in the link in the error message and I still have the same issue.

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[–] ptz@dubvee.org 3 points 1 year ago* (last edited 1 year ago)

If you enabled BuildKit globally in daemon.json config, you'll need to restart the docker daemon (systemctl restart docker). If you're enabling it for a one-off build, you'll need to run the build like this:

DOCKER_BUILDKIT=1 docker build -t lemmy:latest .

I had to update some build scripts for a few other projects, and that worked.