Left 4 Dead 2 Server Docker Deployment Guide

Project Overview

This is a containerized Docker solution for quickly deploying a dedicated Left 4 Dead 2 (L4D2) server. The project includes complete server configuration, plugin system, and one-click deployment functionality.

System Requirements

• Linux system
• Docker and Docker Compose
• Stable network connection

File Structure

.
├── as-root.sh          # Docker container initialization script (root privileges)
├── as-user.sh         # SteamCMD and game installation script
├── build-l4d2.sh      # Docker image build script
├── entrypoint.sh      # Container entrypoint script
├── compose.yml        # Docker Compose configuration file
└── install-plugins.sh # Plugin installation script

Quick Start

1. Build Docker Image

# Grant execution permissions
chmod +x *.sh

# Build image
sudo ./build-l4d2.sh

2. Start Server

# Start using Docker Compose
docker-compose up -d

Configuration

Environment Variables

The following environment variables can be configured in compose.yml:

Variable	Default Value	Description
PORT	27015	Game server port
DEFAULT_MAP	c2m1_highway	Default map
MAXPLAYERS	-	Maximum players (default if not set)
TICKRATE	100	Server tickrate (requires server.cfg modification if changed)
TZ	Asia/Shanghai	Timezone setting
IP	0.0.0.0	Bind IP address
EXEC_CFG	server.cfg	Server configuration file
	-	Your SSH Public Key

Data Persistence

The following directories are persistently stored via Docker volumes:

• /addons - Plugin files
• /cfg - Configuration files
• /scripts - Script files

Plugin Management

Default Plugins

The project comes pre-installed with the L4D2-Competitive-Rework plugin.

License

This project is released under an open source license. Plugin components follow their respective licenses.

Support and Contribution

For issues or suggestions, please submit an Issue or Pull Request.

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Note: Please ensure compliance with Steam and Valve's Terms of Service. This project is only for setting up personal or community game servers.