Add $WAD_URL option

Dockerfile

@@ -25,6 +25,10 @@ RUN cd freedm* && cp freedm.wad /export
 # Libraries that aren't in busybox or alpines musl are needed :(
 FROM debian:stable-slim
 
+RUN apt-get update -y && apt-get install -y wget
+RUN apt-get clean && apt-get autoclean
+RUN rm -rf /var/lib/apt/lists/*
+
 EXPOSE 10666/udp
 
 RUN mkdir -p /srv

README.md

@@ -1,3 +1,5 @@
 # Docker Doom Server
 
+Specify WAD with the WAD_URL env var
+
 See WIP/ for other nearly finished attempts of other servers

entrypoint.sh

@@ -2,6 +2,12 @@
 
 set -e
 
+WAD_PATH=${WAD_PATH:-/srv/freedm.wad}
+if [ -n "$WAD_URL" ]; then
+  wget $WAD_URL -O /srv/game.wad
+  WAD_PATH=/srv/game.wad
+fi
+
 BOT_COUNT=${BOT_COUNT:-0}
 
 if [ -n "$SV_HOSTNAME" ]; then
@@ -26,5 +32,5 @@ PORT=${PORT:-10666}
 
 GAMETYPE=${GAMETYPE:-Deathmatch}
 
-SV_ARGS="+exec server.cfg -port $PORT $ADDBOT_CMDS +$GAMETYPE true"
-cd /srv/ && LD_LIBRARY_PATH=libs sh -c "./zandronum-server $SV_ARGS"
+SV_ARGS="+exec /srv/server.cfg -iwad $WAD_PATH -port $PORT $ADDBOT_CMDS +$GAMETYPE true"
+LD_LIBRARY_PATH=/srv/libs sh -c "/srv/zandronum-server $SV_ARGS"