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March 16, 2022 19:35
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Example build script for docker containers on M1/Arm
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| #!/usr/bin/env bash | |
| echo "--- Building vars-kb-server (reminder: run docker login first!!)" | |
| VCS_REF=`git tag | sort -V | tail -1` | |
| docker buildx build --platform linux/amd64,linux/arm64 \ | |
| -t mbari/vars-kb-server:${VCS_REF} \ | |
| -t mbari/vars-kb-server:latest \ | |
| --push . \ | |
| && docker pull mbari/vars-kb-server:latest |
If you're just testing locally, you can run this instead:
docker buildx build \
--platform linux/arm64 \
--load \
-t mbari/vars-kb-server:latest .
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You don't need to tag the image with the platform. It seems that this is stored in the image's metadata and docker will pull the appropriate image for your computers architecture. On M1, if no arm image is available, it will attempt to run the amd64 image via rosetta. The downsides to that are that it's much slower AND I've found that amd64 images tend to crash a lot on arm.