上傳到公有倉庫

公有倉庫指的是Docker Hub，這裡有上百萬的映像檔供搜尋使用。

建議在使用時儘量尋找官方或驗證的發行者提供的映像檔，避免映像檔中夾帶著危及安全的程式碼及病毒。

Docker Hub/Github等均為公共空間，請避免上傳與公司相關或機密的程式。

Docker Push到公用倉庫Docker Hub

• Docker Login

$ docker login
Login with your Docker ID to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://hub.docker.com to create one.
Username: cutejaneii
Password: 
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded

• Docker Tag：在推送到自己的repository之前，要先tag

$ docker tag myapp cutejaneii/myapp
$ docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
cutejaneii/myapp    latest              7aba68965779        40 minutes ago      696MB
myapp               latest              7aba68965779        40 minutes ago      696MB

• Docker Push

$ docker push cutejaneii/myapp
The push refers to repository [docker.io/cutejaneii/myapp]
4e5b25e56255: Pushed 
27ca79121151: Pushed 
e1a81b1589ce: Pushed 
f8093b983c20: Pushed 
ebac8a5e2f5b: Pushed 
ebd94299f5d0: Pushed 
ff1c70957ceb: Pushed 
1bb42387f7cb: Pushed 
94119923fb5e: Pushed 
a11003618325: Pushed 
668c51fd0cef: Pushed 
latest: digest: sha256:cd0d1e36474560d95f081fb96efe9d3182802a196a89fd9b2f617b058515d807 size: 2635

成功後在Docker Hub上就可以看到這個映像檔