How Can I Access Files and Stdout from a Running Docker Container?

Accessing Files and stdout from a Running Docker Container

When running an application on your host machine that requires access to files and stdout from a running Docker container, here are some approaches to consider:

Streaming Logs from stdout:

• The stdout of the containerized process can be streamed live using the docker logs $containerid command with the -f option to follow the logs in real time.
• Alternatively, you can use the Docker remote API to stream logs directly.

Accessing Files via Volumes:

• Mount a volume shared between the host and the container to make files within the container accessible to the application on the host. This requires configuring the container with a volume mount option during creation.
• Create a new Docker container that mounts the volume containing the files from the original container, allowing for access to those files from the new container.

Note: If real-time access to log files is not required, you can export the files from the container using docker export to obtain them as a tar archive. This allows for offline processing.

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