只有一些本地构建的Docker镜像无法在远程服务器上运行（错误：“未指定命令”）

I have a perplexing Docker problem. I am running Docker on my Mint laptop and on a Ubuntu VPS. I have been able to build images in the past locally and send them to the server and have them run there. However, for clarity, the ones that work were probably built when I was running Ubuntu locally (more on that later).I have a perplexing Docker problem. I am runnin