after execing kubectl apply -Rf kubernetes/, some pods are always CrashLoopBackOff
the description of these pod is such as
Warning Failed 10m (x6 over 13m) kubelet Error: failed to start container "hotel-reserv-user": Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: exec: "./user": stat ./user: no such file or directory: unknown