fix: exit handler

Dockerfile.ubuntu-1804

@@ -105,3 +105,6 @@ HEALTHCHECK --interval=1m --timeout=1m --start-period=2m --retries=1 CMD /linuxg
 RUN rm -f /linuxgsm/entrypoint.sh
 COPY entrypoint.sh /linuxgsm/entrypoint.sh
 RUN date > /time.txt
+
+ENTRYPOINT [ "/usr/bin/tini","-g","--" ]
+CMD [ "bash","./entrypoint.sh" ]

Dockerfile.ubuntu-2004

@@ -104,3 +104,6 @@ HEALTHCHECK --interval=1m --timeout=1m --start-period=2m --retries=1 CMD /linuxg
 RUN rm -f /linuxgsm/entrypoint.sh
 COPY entrypoint.sh /linuxgsm/entrypoint.sh
 RUN date > /time.txt
+
+ENTRYPOINT [ "/usr/bin/tini","-g","--" ]
+CMD [ "bash","./entrypoint.sh" ]

Dockerfile.ubuntu-2204

@@ -104,3 +104,6 @@ HEALTHCHECK --interval=1m --timeout=1m --start-period=2m --retries=1 CMD /linuxg
 RUN rm -f /linuxgsm/entrypoint.sh
 COPY entrypoint.sh /linuxgsm/entrypoint.sh
 RUN date > /time.txt
+
+ENTRYPOINT [ "/usr/bin/tini","-g","--" ]
+CMD [ "bash","./entrypoint.sh" ]

entrypoint.sh

@@ -2,13 +2,15 @@
 
 exit_handler() {
   # Execute the shutdown commands
-  echo "recieved SIGTERM stopping ${GAMESERVER}"
+  echo "stopping ${GAMESERVER}"
   ./${GAMESERVER} stop
+  exitcode=$?
+  exit ${exitcode}
 }
 
 # Exit trap
-echo "loading exit trap"
-trap exit_handler SIGTERM
+echo "Loading exit handler"
+trap exit_handler SIGQUIT SIGINT SIGTERM
 
 echo -e ""
 echo -e "Welcome to the LinuxGSM"