fix: exposed ports and security on docker compose file #55
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Actionable comments posted: 2
🧹 Outside diff range comments (1)
docker-compose.yml (1)
Security concern: Debug port exposed without environment isolation
The debug port 40000 is indeed exposed in both the Dockerfile and docker-compose.yml without any environment-specific isolation. The Dockerfile confirms it's used for the Delve debugger (
dlv). Since there are no Docker Compose profiles to segregate development from production environments, this poses a security risk in production deployments.Recommendations:
- Add Docker Compose profiles to isolate debug configuration to development environment
- Use environment variables to conditionally expose the debug port
- Consider removing the debug configuration from the main Dockerfile and use a development-specific Dockerfile instead
🔗 Analysis chain
Line range hint
37-38: Security concern: Debug port exposed to host.The debug port 40000 is exposed to the host machine, which could pose security risks in production environments. Consider:
- Removing this port mapping in production
- Using Docker compose profiles to only include this in development
Let me run the correct search for port 40000.
Let me check if there are any Docker Compose profiles or environment-specific configurations.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Check if the debug port is used in other services rg "40000" --type yamlLength of output: 1379
Script:
#!/bin/bash # Check if the debug port is used in other services rg "40000"Length of output: 179
Script:
#!/bin/bash # Check for Docker Compose profiles and environment configurations rg "profiles?:" docker-compose.yml rg "^[[:space:]]*environment:" -A 2 docker-compose.ymlLength of output: 830
📜 Review details
Configuration used: CodeRabbit UI
Review profile: ASSERTIVE
📒 Files selected for processing (2)
- docker-compose.yml (4 hunks)
- world.toml (2 hunks)
🔇 Additional comments (7)
world.toml (2)
8-9: LGTM! Secure default configurationThe telemetry settings are disabled by default, which is a secure configuration. The comments clearly explain their purpose.
31-39: 🛠️ Refactor suggestionConsider security and performance implications of default values
While the observability settings are well documented, having tracing and metrics enabled by default might:
- Impact performance in development environments
- Increase resource usage
- Generate unnecessary telemetry data
Consider disabling these by default and documenting the recommended values for different environments (dev/staging/prod).
-NAKAMA_TRACE_ENABLED = true -NAKAMA_METRICS_ENABLED = true +NAKAMA_TRACE_ENABLED = false # Enable in production for observability +NAKAMA_METRICS_ENABLED = false # Enable in production for monitoringdocker-compose.yml (5)
6-6: LGTM: Redis password environment variable properly configured.The addition of
REDIS_PASSWORDenvironment variable with a default value improves security by ensuring Redis authentication is always configured.Also applies to: 24-24
134-136: LGTM: Improved security for Nakama DB.Good security improvement by removing unnecessary port exposures while maintaining internal communication through the Docker network.
137-141: LGTM: Redis security properly configured.Excellent security improvements:
- Redis password requirement properly enforced via command
- Port 6379 correctly configured to be only exposed internally
159-161:⚠️ Potential issueSecurity concern: Ports still accessible from host.
Not specifying host ports (e.g.,
"26658"instead of"host:26658") allows Docker to assign random host ports, which doesn't prevent host access. Consider:
- Using
exposeinstead ofportsif these ports are only needed for internal container communication- Explicitly mapping required ports with specific host ports if external access is needed
Line range hint
1-162: Verify security of environment variables.While the Redis and DB passwords are properly configured, consider:
- Adding comments or documentation for all security-sensitive environment variables
- Adding validation for minimum password strength
- Providing a template for secure production values
#!/bin/bash # Check for environment variables that might contain sensitive data rg "PASSWORD|TOKEN|KEY" --type yaml
Closes: WORLD-1215, WORLD-1210
Overview
Disable exposed port for redis, nakamadb, and celestia
Brief Changelog
Testing and Verifying
Summary by CodeRabbit