一、通過docker下載Tomcat鏡像
#下載鏡像
參考：https://hub.docker.com/_/tomcat/
[root@registry ~]# docker run -it --rm -p 8888:8080 tomcat:8.0
[root@registry ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
f59f06220f0e tomcat:8.0 "catalina.sh run" 59 seconds ago Up 57 seconds 0.0.0.0:8888->8080/tcp silly_leavitt
#訪問網站，看能否打開首頁
http://59.47.71.229:8888/
#查看鏡像
[root@registry ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
registry latest f32a97de94e1 2 months ago 25.8MB
tomcat 8.0 ef6a7c98d192 7 months ago 356MB
#給鏡像打tag
[root@registry ~]# docker tag tomcat:8.0 59.47.71.229:5000/tomcat:8.0
#查看鏡像
[root@registry ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
registry latest f32a97de94e1 2 months ago 25.8MB
tomcat 8.0 ef6a7c98d192 7 months ago 356MB
59.47.71.229:5000/tomcat 8.0 ef6a7c98d192 7 months ago 356MB
#上傳鏡像
[root@registry ~]# docker push 59.47.71.229:5000/tomcat:8.0
The push refers to repository [59.47.71.229:5000/tomcat]
d0f3f4011f28: Pushed
583dc95d65c9: Pushed
f26731984f9b: Pushed
9f052711b40a: Pushed
81242e1e644e: Pushed
39a6e47c4ae6: Pushed
fc6174f0df4a: Pushed
425325c72d90: Pushed
c596d5191368: Pushed
daf45b2cad9a: Pushed
8c466bf4ca6f: Pushed
8.0: digest: sha256:47274bc304687e21217ca6a33e3244c43c6d5cfaceade76c4b478023f2aca3b2 size: 2625
#刪除本地鏡像
[root@registry ~]# docker rmi -f 59.47.71.229:5000/tomcat:8.0
Untagged: 59.47.71.229:5000/tomcat:8.0
Untagged: 59.47.71.229:5000/tomcat@sha256:47274bc304687e21217ca6a33e3244c43c6d5cfaceade76c4b478023f2aca3b2
#查看是否刪除
[root@registry ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
registry latest f32a97de94e1 2 months ago 25.8MB
tomcat 8.0 ef6a7c98d192 7 months ago 356MB
#下載鏡像
[root@registry ~]# docker pull 59.47.71.229:5000/tomcat:8.0
8.0: Pulling from tomcat
Digest: sha256:47274bc304687e21217ca6a33e3244c43c6d5cfaceade76c4b478023f2aca3b2
Status: Downloaded newer image for 59.47.71.229:5000/tomcat:8.0
#查看鏡像
[root@registry ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
registry latest f32a97de94e1 2 months ago 25.8MB
59.47.71.229:5000/tomcat 8.0 ef6a7c98d192 7 months ago 356MB
tomcat 8.0 ef6a7c98d192 7 months ago 356MB