Docker Error
Fix "Conflict. The container name is already in use by container..." in Docker
Developer guide and instant terminal command to diagnose and solve this error.
Terminal Output
$docker: Error response from daemon: Conflict. The container name "/app" is already in use by container...
Why Does This Error Happen?
A stopped or background container with the same name already exists in Docker daemon state.
Instant Terminal One-Liner Fixes
Linux (Bash / Zsh)
docker rm -f $(docker ps -aq)
macOS (Terminal / iTerm2)
docker rm -f $(docker ps -aq)
Windows (PowerShell Run as Administrator)
docker rm -f (docker ps -aq)
Comprehensive Step-by-Step Resolution
- 1Remove the existing stopped container: "docker rm -f <container_name>".
- 2Or start the existing container instead of creating a new one: "docker start <container_name>".
- 3Or run with auto-remove: "docker run --rm ...".
Dedicated Companion Tool
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Frequently Asked Questions
Frequently Asked Questions
Frequently Asked Questions
Everything you need to know regarding specifications, syntax, and security best practices.
A stopped or background container with the same name already exists in Docker daemon state.