How to copy files from the host to the Docker container?
How to copy files from the host to the Docker container?
Ask by Revati S Misra
Updated 23 Aug 2023
There are a few ways to copy files from the host to the Docker container.
Using the
docker cpcommand: Thedocker cpcommand allows you to copy files between a container and the host machine. To copy a file from the host to a container, you need to specify the container name or ID, the source file path, and the destination file path in the container. For example, to copy the file/home/user/myfile.txtfrom the host to the file/app/myfile.txtin the container namedmycontainer, you would run the following command:Using the
docker runcommand with the-voption: Thedocker runcommand allows you to run a Docker container. The-voption allows you to mount a volume from the host machine to the container. To mount a volume from the host machine to the container, you need to specify the host path and the container path. For example, to mount the directory/home/user/myfilesfrom the host machine to the directory/appin the container, you would run the following command:Once the container is running, you can copy files from the host machine to the container by using the
cpcommand inside the container.Using a third-party tool: There are a number of third-party tools that can help you copy files between Docker containers and host machines. Some of these tools include: * Portainer: https://www.portainer.io/: A web-based UI for managing Docker containers. * Docker Desktop: https://www.docker.com/products/docker-desktop: A desktop application for managing Docker containers. * Docker Hub: https://hub.docker.com/: A registry for Docker images.
The best way to copy files from the host to a Docker container depends on the specific situation. If you are comfortable using the command line, then the
docker cpcommand is the easiest way to do it. If you want to use a graphical user interface, then you can use a third-party tool like Portainer or Docker Desktop.