volumes: TTTDev: services: ttt: build: . ports: - 27015:27015/tcp - 27015:27015/udp environment: INSTALL_CSS: "true" SERVER_DEFAULT_MAP: ttt_lttp_kakariko_a4 SERVER_PORT: 27015 SERVER_NAME: "Example Name" SERVER_PASSWORD: securePassword SERVER_VOICE_ENABLE: 0 SERVER_MAX_PLAYERS: 20 SERVER_RCON_PASSWORD: securePassword WORKSHOP_COLLECTION_ID: 1895900191 volumes: - TTTDev:/home/steam/serverfiles