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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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[–] Penguincoder@beehaw.org 3 points 1 year ago

Building is different than doing a compose up. If you're making changes to the dockerfile and want to build your changes, then DOCKER_BUILDKIT=1 docker build -t custom/lemmy: . should be the correct method.

Then you would change the docker-compose file to reference your newly built image instead of using the docker hub one. See this document.