entrypoint script - added neccessary variables - updated Dockerfile

docker-tmserver/Dockerfile

@@ -1,4 +1,4 @@
-FROM debian:stretch-slim
+FROM debian:buster-slim
 
 RUN mkdir /opt/tmserver 
 
@@ -18,6 +18,4 @@ RUN chown trackmania:trackmania /entrypoint-tmserver.sh
 USER trackmania
 WORKDIR /opt/tmserver
 
-ENTRYPOINT ["entrypoint-tmserver.sh"]
-
-CMD ["TrackmaniaServer","/nodaemon"]
+ENTRYPOINT ["./entrypoint-tmserver.sh"]

docker-tmserver/entrypoint-tmserver.sh

@@ -3,6 +3,11 @@
 
 set -e
 
+if [[ "$(id -u)" = "0"]]; then
+    chown -R trackmania /opt/tmserver
+    exec su-exec trackmania "$0"
+fi
+
 # Evaluate all the available environment variables
 if [[ -z "${SERVER_LOGIN}" ]]; then
 	echo "Server account login is missing. Server cannot start."
@@ -41,11 +46,66 @@ if [[ -z "${SERVER_COMMENT}" ]]; then
 	SERVER_COMMENT="This is a Trackmania Server"
 fi
 
-# Evaluation over
-# Commencing substition in config files
+if [[ -z "${GAMEMODE}"]]; then
+    echo "No gamemode was specified. Defaulting to TimeAttack."
+    GAMEMODE=1
+fi
+
+if [[ -z "${CHATTIME}"]]; then
+    echo "No chat timeout was specified. Defaulting to 10000 ms."
+    CHATTIME=10000
+fi
+
+if [[ -z "${FINISHTIMEOUT}"]]; then
+    echo "No finish timeout was specified. Defaulting to adaptive mode."
+    FINISHTIMEOUT=1
+fi
+
+if [[ -z "${DISABLERESPAWN}"]]; then
+    echo "Respawns were not specified. Defaulting to enabled."
+    DISABLERESPAWN=0
+fi
+
+if [[ -z "${ROUNDS_POINTSLIMIT}"]]; then
+    echo "No points limit was specified for rounds mode. Defaulting to 30."
+    ROUNDS_POINTSLIMIT=30
+fi
+
+if [[ -z "${TIMEATTACK_LIMIT}"]]; then
+    echo "No time limit was specified for time attack mode. Defaulting to 180000 ms."
+    TIMEATTACK_LIMIT=180000
+fi
+
+if [[ -z "${TEAM_POINTSLIMIT}"]]; then
+    echo "No points limit was specified for team mode. Defaulting to 50."
+    TEAM_POINTSLIMIT=50
+fi
+
+if [[ -z "${TEAM_MAXPOINTS}"]]; then
+    echo "No number of maximum points per round was specified for team mode. Defaulting to 6."
+    TEAM_MAXPOINTS=6
+fi
+
+if [[ -z "${LAPS_NBLAPS}"]]; then
+    echo "No number of laps was specified for laps mode. Defaulting to 5."
+    LAPS_NBLAPS=5
+fi
+
+if [[ -z "${LAPS_TIMELIMIT}"]]; then
+    echo "No time limit was specified for laps mode. Defaulting to no limit."
+    LAPS_TIMELIMIT=0
+fi
+
+
+echo "Evaluation over"
+echo "Substition in config files"
 
 #Trackmania Files
 
-envsubst > GameData/Config/config.txt < GameData/Config/_config.txt
+$configcmd="envsubst > GameData/Config/config.txt < GameData/Config/_config.txt"
+$playlistcmd="envsubst > GameData/Config/playlist.txt < GameData/Config/_playlist.txt"
 
-exec "./TrackmaniaServer" "/nodaemon" "/internet" "/game_settings=MatchSettings/playlist.txt" "/dedicated_cfg=config.txt"
+eval $configcmd
+eval $playlistcmd
+
+exec "/opt/tmserver/TrackmaniaServer" "/nodaemon" "/internet" "/game_settings=MatchSettings/playlist.txt" "/dedicated_cfg=config.txt"