fixing ports and volumes

Dockerfile

@@ -2,12 +2,10 @@ FROM debian:stretch
 MAINTAINER Linuro <cpp@zom.bi>
 EXPOSE 30000
 
-# Set to false if you don't need the server terminal.
-# If so, make sure to not start the server with --terminal.
-ENV CURSES TRUE
-
-# Number of CPU Cores that the Compiler should NOT use.
-ENV FREE_CORES 1
+# Set to TRUE if you want to use the server terminal.
+# If so, make sure to not start the server with --terminal
+# and specify an admin in your configuration.
+ENV CURSES FALSE
 
 ENV BUILD_PCKGS "build-essential cmake libirrlicht-dev git ca-certificates"
 ENV LIVE_PCKGS "zlib1g-dev libbz2-dev libncurses-dev libsqlite3-dev \
@@ -26,16 +24,16 @@ RUN git clone --depth 1 https://github.com/minetest/minetest_game.git games/mine
 RUN cmake . -DRUN_IN_PLACE=FALSE -DBUILD_SERVER=TRUE \
 	-DBUILD_CLIENT=FALSE -DCMAKE_BUILD_TYPE=Release -DENABLE_CURSES=${CURSES}
 
-RUN make install -j$(($(grep processor /proc/cpuinfo | wc -l)-${FREE_CORES}))
+RUN make install
 
-#free up some space
+# free up some space
 RUN apt-get remove -y --autoremove ${BUILD_PCKGS} && \
 	apt-get clean && rm -rf /root/minetest
 
 RUN useradd minetest -m && \
 	su minetest -c "mkdir -p ~/.minetest/worlds"
 
-VOLUME /home/.minetest/worlds
+VOLUME /home/minetest/.minetest/worlds
 
 USER minetest
-CMD /usr/local/bin/minetestserver --terminal --info
+CMD /usr/local/bin/minetestserver --info