Why can't build the docker image?-CodePudding

I want to create a docker image according to the tutorial.create docker image

1.vim wechat.Dockerfile ,paste all lines into the file.

ls -al wechat.Dockerfile
-rw-r--r-- 1 debian debian 1217 Apr 29 10:21 wechat.Dockerfile

2.Build docker image with commands:

 docker build -f  "wechat.Dockerfile"  --tag=wechat:0.0.1

Info:

"docker build" requires exactly 1 argument.
See 'docker build --help'.

Usage:  docker build [OPTIONS] PATH | URL | -

Build an image from a Dockerfile
debian@debian:/tmp$  docker build -f  wechat.Dockerfile  --tag=wechat:0.0.1
"docker build" requires exactly 1 argument.
See 'docker build --help'.

Usage:  docker build [OPTIONS] PATH | URL | -

Add . at the end of command:

docker build -f wechat.Dockerfile --tag=wechat:0.0.1 .
error checking context: 'can't stat '/tmp/systemd-private-ad10f6d540654f2791399efb421b6134-ModemManager.service-V2Upfj''.

No image 'wechat:0.0.1' created in current directory.

CodePudding user response：

The command given is actually

docker build -f wechat.Dockerfile --tag=wechat:0.0.1 .

The final period is important, and denotes the current directory.