buildx failed with: ERROR: failed to solve: process "/bin/sh -c case $TARGETPLATFORM in 'linux/386') export FOLDER='default_linux_386'; ;; 'linux/amd64') export FOLDER='default_linux_amd64_v1'; ;; 'linux/arm/v6') export FOLDER='default_linux_arm_6'; ;; 'linux/arm/v7') export FOLDER='default_linux_arm_7'; ;; 'linux/arm64') export FOLDER='default_linux_arm64'; ;; 'linux/riscv64') export FOLDER='default_linux_riscv64'; ;; *) echo >&2 \"error: unsupported architecture '$TARGETPLATFORM'\"; exit 1 ;; esac && mv /dist/$FOLDER /app" did not complete successfully: exit code: 1