How to Copy Files from Docker Container to Host?
Before Docker 1.8, we could only copy files from the container to the host. However, as containers became even more popular, copying files to and from containers has become necessary.
One of the reasons for copying files from the container to the host is to share log files. Or retrieving build artifacts that are built inside the container back into the host.
Keep in mind that copying sensitive information such as files in the /dev
, /proc
, /sys
, tmpfs
is not allowed.
How to copy files from the container to the host?
To copy a file from the container to the host you can use the docker cp
command:
docker cp <container_id>:/container/path /host/path
container_id
- Is the name of the container you want to retrieve the file from/container/path
- Is the path to the source file within the Docker container/host/path
- Is the destination to which the file will be copied.
-
How to save cron job output to file?
Any cron job can generate output. It may be log or error messages. Regardless of the nature of the output, you may want to save this output to a file. This can be done using the `>` operator.
Questions -
How to Copy Docker Images from One Host to Another without Using a Repository
There is an easy way to transfer Docker images from one host to another without using any repository. Copy Docker images from one host to another First, you need to save the docker image as a tar: ...
Questions -
How to set up a cron job for a specific time and date?
In this quick tutorial, we will take a look at how to set up a cron job to run at a specific time.
Questions -
How to Connect to the Localhost of the Machine from inside of a Docker Container?
If you are running some kind of a server or any other service (such as a database) on localhost and the service isn’t exposing any port, you may have found yourself wondering how to connect to this...
Questions
We are hiring.
Software is our way of making the world a tiny bit better. We build tools for the makers of tomorrow.
Help us in making the internet more reliable.

Help us with developer education and get paid.
