Example image hello: https://blog.csdn.net/hushui/article/details/103459550
## image save
lake@localhost:~/local/edgex/docker-edgex$ sudo docker save -o ~/tmp/hello.tar lakehudocker/hello
lake@localhost:~/tmp/hello/d83bba2ee492d1322e4c0f92cc2261f18bc7de52937decd7627b5ce2c45cf2ed$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
lake@localhost:~/tmp/hello/d83bba2ee492d1322e4c0f92cc2261f18bc7de52937decd7627b5ce2c45cf2ed$ docker image ls
REPOSITORY TAG IMAGE ID CREATED SIZE
lakehudocker/hello latest 92c78963cad5 22 hours ago 913kB
hello latest 92c78963cad5 22 hours ago 913kB
lake@localhost:~/local/edgex/docker-edgex$ sudo chown jhula.jhula ~/tmp/hello.tar
lake@localhost:~/local/edgex/docker-edgex$ cd ~/tmp/
lake@localhost:~/tmp$ mkdir hello
lake@localhost:~/tmp$ cd hello/
lake@localhost:~/tmp/hello$ tar xf ../hello.tar
lake@localhost:~/tmp/hello$ ls
92c78963cad51a2e845dfb858a570d4909c7212241065e1243cfeb4f7a2ef615.json manifest.json
d83bba2ee492d1322e4c0f92cc2261f18bc7de52937decd7627b5ce2c45cf2ed repositories
lake@localhost:~/tmp/hello$ cd d83bba2ee492d1322e4c0f92cc2261f18bc7de52937decd7627b5ce2c45cf2ed/
lake@localhost:~/tmp/hello/d83bba2ee492d1322e4c0f92cc2261f18bc7de52937decd7627b5ce2c45cf2ed$ ls
VERSION json layer.tar
lake@localhost:~/tmp/hello/d83bba2ee492d1322e4c0f92cc2261f18bc7de52937decd7627b5ce2c45cf2ed$ tar xf layer.tar
lake@localhost:~/tmp/hello/d83bba2ee492d1322e4c0f92cc2261f18bc7de52937decd7627b5ce2c45cf2ed$ ls
VERSION hello json layer.tar
lake@localhost:~/tmp/hello/d83bba2ee492d1322e4c0f92cc2261f18bc7de52937decd7627b5ce2c45cf2ed$ file hello
hello: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, for GNU/Linux 2.6.32, BuildID[sha1]=ec220e630ed1d5367c165c11e8a4cf09dc0620c0, not stripped
lake@localhost:~/tmp/hello/d83bba2ee492d1322e4c0f92cc2261f18bc7de52937decd7627b5ce2c45cf2ed$ diff hello ~/local/edgex/test-linux-docker-lake/
cloud-lab/ linux-lab-docker-test-lake.txt myhello/
lake@localhost:~/tmp/hello/d83bba2ee492d1322e4c0f92cc2261f18bc7de52937decd7627b5ce2c45cf2ed$ diff hello ~/local/edgex/test-linux-docker-lake/myhello/hello
lake@localhost:~/tmp/hello/d83bba2ee492d1322e4c0f92cc2261f18bc7de52937decd7627b5ce2c45cf2ed$
## image remove
lake@localhost:~/$ docker rmi lakehudocker/hello:latest
Untagged: lakehudocker/hello:latest
Untagged: lakehudocker/hello@sha256:9a128505bf51003c9539a462e6b6b28939ac29c85fcac3bc901ee28f194c6722
lake@localhost:~/tmp/hello/d83bba2ee492d1322e4c0f92cc2261f18bc7de52937decd7627b5ce2c45cf2ed$ docker image ls
REPOSITORY TAG IMAGE ID CREATED SIZE
hello latest 92c78963cad5 22 hours ago 913kB
lake@localhost:~/
Deleted: sha256:92c78963cad51a2e845dfb858a570d4909c7212241065e1243cfeb4f7a2ef615
Deleted: sha256:ca639f6465b4fa4ae34523278ce51d6cbdb5d266ff88d1656fe042ee2ec37da0
Deleted: sha256:b462d9a7f85c21a795ed453cf3bee4c5b8dd495c65bbc501ded37b9a13de4a1c
## image Load back
lake@localhost:~/local/edgex$ sudo docker load <~/tmp/hello.tar
[sudo] password for jhula:
b462d9a7f85c: Loading layer [==================================================>] 914.4kB/914.4kB
Loaded image: lakehudocker/hello:latest
lake@localhost:~/local/edgex$ docker image ls
REPOSITORY TAG IMAGE ID CREATED SIZE
lakehudocker/hello latest 92c78963cad5 22 hours ago 913kB
### Note docker run means docker create (new container) & docker start
lake@localhost:~/local/edgex$ docker run lakehudocker/hello:latest
Hello
lake@localhost:~/local/edgex$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
556460081fd1 lakehudocker/hello:latest "/hello" 8 seconds ago Exited (0) 7 seconds ago suspicious_mccarthy