Interactive containers and exec: get inside, run commands, get out

📰 Dev.to · Javi Palacios

Learn to interact with Docker containers using exec, cp, and shells to run commands and manage files

intermediate Published 14 Jul 2026

Action Steps

Run a container in detached mode using 'docker run -d'
Use 'docker exec' to run a command inside a running container
Open an interactive shell inside a container with 'docker exec -it'
Copy files between the host and container using 'docker cp'
Compare the differences between interactive and detached modes to choose the best approach for your use case

Who Needs to Know This

DevOps engineers and developers can benefit from this knowledge to efficiently manage and debug their Docker containers

Key Insight

💡 Use 'docker exec' and 'docker cp' to interact with running containers and manage files

Key Takeaways

Learn to interact with Docker containers using exec, cp, and shells to run commands and manage files

Full Article

Learn to open shells inside containers, run commands in live containers with docker exec, copy files with docker cp, and know when to use interactive vs. detached mode.

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