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# Docker login/logout Command [Docker Command Manual](#) * * * The `docker login` and `docker logout` commands are used to manage authentication between the Docker client and Docker registry. Through the `docker login` command, users can log in to Docker registry to access and push images; through the `docker logout` command, users can log out. * **docker login :** Log in to a Docker image registry. If the registry address is not specified, it defaults to the official registry Docker Hub * **docker logout :** Log out from a Docker image registry. If the registry address is not specified, it defaults to the official registry Docker Hub * * * ## docker login The `docker login` command is used to log in to a Docker registry. By default, it logs in to Docker Hub, but it can also log in to other Docker registries. ### Syntax docker login * **`SERVER`**: The server address of the Docker registry (default is Docker Hub). * **`-u, --username`**: The username for login. * **`-p, --password`**: The password for login (not recommended to use in command line). * **`--password-stdin`**: Read the password from standard input. ### Usage Examples **1、Log in to Docker Hub** docker login Prompt to enter Docker Hub username and password. **2、Log in to Docker Hub (specify username)** docker login --username myusername **3、Prompt to