Use coreect build base

Dockerfile

@@ -1,41 +1,46 @@
-FROM cm2network/steamcmd:root
+FROM hackebein/srcds
 
 ENV \
-	# Server identity
-	INSTANCEID="Server1" \
-	SERVERNAME="Unturned Server" \
-	SERVERPASSWORD="" \
-	ADMINPASSWORD="" \
-	OWNER="0" \
+	# App
+	APPS="4020 -validate -language en,232330 -validate -language en" \
+	#
+	# API
+	# http://steamcommunity.com/dev/apikey
+	AUTHKEY="" \
+	#
+	# Public access
+	# automatic via API
+	GLSTAPP="4000" \
+	# manual
+	# APPID: 4000
+	# http://steamcommunity.com/dev/managegameservers
+	GLST="" \
+	#
+	# Workshop server download (require API)
+	WORKSHOP="\${WORKSHOPCOLLECTIONID:-}" \
+	#
+	# Workshop client download (require API)
+	WORKSHOPDL="" \
 	#
 	# Server config
-	MAP="PEI" \
-	MAXPLAYERS="8" \
-	PERSPECTIVE="Both" \
-	PVP="true" \
-	PORT="27015" \
-	#
-	# Anti-cheat
-	VAC="true" \
-	EASYANTICHEAT="true" \
-	#
-	# Workshop
-	WORKSHOP="" \
+	GAME="garrysmod" \
+	TICKRATE="66" \
+	MAXPLAYERS="16" \
+	GAMEMODE="sandbox" \
+	GAMETYPE="0" \
+	MAP="gm_flatgrass" \
+	MAPGROUP="mg_active" \
+	CONFIG="server.cfg" \
 	#
 	# Start parameters
-	CUSTOMPARAMETERS=""
-
-WORKDIR /home/steam/unturned
-
-RUN mkdir -p /home/steam/unturned && chown -R steam:steam /home/steam/unturned
-
-USER steam
-RUN /home/steam/steamcmd/steamcmd.sh +force_install_dir /home/steam/unturned +login anonymous +app_update 1110390 validate +quit
-USER root
-
-COPY entrypoint.sh /entrypoint.sh
-RUN chmod +x /entrypoint.sh
-
-EXPOSE 27015/udp 27015/tcp 27016/udp
-
-ENTRYPOINT ["/entrypoint.sh"]
+	SRCDSPARAMS="\
+		-game \${GAME} \
+		-tickrate \${TICKRATE} \
+		-maxplayers \${MAXPLAYERS} \
+		-authkey \${AUTHKEY} \
+		+host_workshop_collection \${WORKSHOP} \
+		+gamemode \${GAMEMODE} \
+		+map \${MAP} \
+		+servercfgfile \${CONFIG} \
+		\${CUSTOMPARAMETERS} \
+	"