fix build

Dockerfile

@@ -13,8 +13,7 @@ EXPOSE 19005 $PORT_NUM
 COPY . /usr/src/server
 WORKDIR /usr/src/server
 
-RUN echo server-port=$PORT_NUM >> server.properties
-RUN echo "  Name: $CS_NAME" >> plugins/gFeatures/Config.yml
+ENTRYPOINT ["/init.sh", $PORT_NUM, $CS_NAME]
 
 RUN mkdir /data
 RUN mkdir /data/logs

init.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+PORT_NUM=$1
+CS_NAME=$2
+echo server-port=$PORT_NUM >> server.properties
+echo "  Name: $CS_NAME" >> plugins/gFeatures/Config.yml