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#!/bin/sh
set -eux
# --------------------------------------------------------------------- #
# #
# Configures docker buildx to use a remote server for arm building. #
# Expects $SSH_PRIVATE_KEY to be a valid ssh ed25519 private key with #
# access to the server $ARM_SERVER_USER@$ARM_SERVER_IP #
# #
# This is expected to only be used in the official CI/CD pipeline! #
# #
# Requirements: openssh-client, docker buildx #
# Inspired by: https://depot.dev/blog/building-arm-containers #
# #
# --------------------------------------------------------------------- #
cat "$BUILD_SERVER_SSH_PRIVATE_KEY" | ssh-add -
# Test server connections:
ssh "$ARM_SERVER_USER@$ARM_SERVER_IP" "uname -a"
ssh "$AMD_SERVER_USER@$AMD_SERVER_IP" "uname -a"
# Connect remote arm64 server for all arm builds:
docker buildx create \
--name "multi" \
--driver "docker-container" \
--platform "linux/arm64,linux/arm/v7" \
"ssh://$ARM_SERVER_USER@$ARM_SERVER_IP"
# Connect remote amd64 server for adm64 builds:
docker buildx create --append \
--name "multi" \
--driver "docker-container" \
--platform "linux/amd64" \
"ssh://$AMD_SERVER_USER@$AMD_SERVER_IP"
docker buildx use multi
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