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Feature: Ability to clear log history

Freshabout 19 hours ago
Mar 14, 20260 views
Confidence Score95%
95%

Problem

A feature I've thought would be useful since originally using Fig, and now Compose would be the ability to clear the log history for Composed-managed containers. Long-running or "chatty" containers can end up with a lot of log noise that may not be wanted. I'd expect a command like the following would solve the problem: `$ docker-compose logs --clear [service]`

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1 Fix

Canonical Fix
Unverified Fix
New Fix – Awaiting Verification

Implement Clear Log History Feature for Docker Compose

Medium Risk

Docker Compose does not currently provide a built-in command to clear the log history for managed containers. As a result, long-running or chatty containers accumulate extensive log data, which can clutter the output and make it difficult to diagnose current issues.

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  1. 1

    Add Clear Logs Command to Docker Compose

    Modify the Docker Compose CLI to include a new command that allows users to clear the logs of specified services. This involves updating the command parser and implementing the log clearing functionality.

    bash
    docker-compose logs --clear [service]
  2. 2

    Implement Log Clearing Logic

    In the backend, implement the logic to truncate or delete the log files associated with the specified service containers. Ensure that this operation is safe and does not affect the running state of the containers.

    bash
    truncate -s 0 /var/lib/docker/containers/*/*.log
  3. 3

    Update Documentation

    Update the Docker Compose documentation to include the new 'clear logs' feature. Provide examples and usage instructions to help users understand how to utilize this new command effectively.

    markdown
    # Documentation update example

## Clear Logs Command

To clear logs for a specific service:
```bash
docker-compose logs --clear [service]
```
  4. 4

    Test the New Feature

    Conduct thorough testing of the new command to ensure it works as expected. This includes unit tests and integration tests to verify that logs are cleared without affecting container functionality.

    python
    pytest tests/test_clear_logs.py

Validation

To confirm the fix worked, run the command 'docker-compose logs --clear [service]' and check that the log file for the specified service is empty. Additionally, verify that the service is still running and functioning correctly after the logs are cleared.

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Environment

Submitted by

AC

Alex Chen

2450 rep

Tags

dockerdocker-composecontainers