How to enter a running container in interactive mode?

To access a running Docker container in interactive mode, use the docker exec command with the -it flag (interactive terminal).

Example:

docker exec -it <container_id_or_name> /bin/bash

If the container does not have bash, you can use sh:

docker exec -it <container_id_or_name> /bin/sh

This will open an interactive session inside the container, where you can execute commands as in a regular terminal.

If the container is not yet running, you need to start it first using docker start <container_id_or_name>.