How to upload docker image files to DockerHub

How to upload the docker image file to DockerHub?

1. Create a new repository in Docker Hub

Register and log in to Docker Hub, click on the upper right corner Create Repository , create a repository, as shown in the figure below:

Give it a name, such as demo. And you can choose whether it is a public or private repository.

2. Build the docker image file

Enter the path where the Dockerfile file is located, and the format of the built image file is as follows.

-t参数用来指定 image 文件的名字；
username为你的Docker Hub用户名；
repository为你新建的存储库名称；

　tag is the version number;

The last dot indicates the path where the Dockerfile file is located. This is the current path, so it is a dot.

$ docker image build -t [username]/[repository]:[tag] .

My command to build the image file is as follows:

$ docker image build -t 01/demo:0.0.1 .

3. Push the image to Docker Hub

Local loginDocker Hub, enter the following command locally:

$ docker login

Then enter the user name and password to log in.

After successful login, push the Docker image to Docker Hub. Enter the following command:

$ docker push lihui01/demo:0.0.1

Wait for a while and the upload will be successful.

4. View the pushed image in Docker Hub

Related references: docker tutorial

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