Docker image for Left 4 Dead 2 server Docker Hub Usage docker run -p 27015:27015 -p 27015:27015/udp sunbowworld/left4dead2server Environment Variables SV_HOSTNAME SV_RCON_PASSWORD References SirPlease/L4D2-Competitive-Rework: Just refreshing and optimizing the core files a bit, eh? Install SteamCMD for a Steam Game Server Left 4 Dead 2 Multiplayer Server Installation