---> 5be15528a0cb
Step 4/7 : RUN echo 'Server = https://mirrors.aliyun.com/archlinuxarm/$arch/$repo/' > /etc/pacman.d/mirrorlist
 ---> Running in 71fbc873ca7d
Removing intermediate container 71fbc873ca7d
 ---> ad9315c448af
Step 5/7 : FROM target-${TARGETARCH}
invalid reference format
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1

Status: Downloaded newer image for archlinux/archlinux:latest
 ---> bd2d9fbafbe5
Step 2/7 : RUN echo 'Server = https://mirrors.aliyun.com/archlinux/$repo/os/$arch' > /etc/pacman.d/mirrorlist
 ---> [Warning] The requested image's platform (linux/amd64) does not match the detected host platform (linux/arm64/v8) and no specific platform was requested
 ---> Running in 147b4dee06af
exec /bin/sh: exec format error
The command '/bin/sh -c echo 'Server = https://mirrors.aliyun.com/archlinux/$repo/os/$arch' > /etc/pacman.d/mirrorlist' returned a non-zero code: 1
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1