Make configuration changes come from changes to the files rather than setting environment variables.

Updated documentation.

README.md

@@ -1,12 +1,19 @@
 # DayZDockerServer
 
-A Linux DayZ server in a Docker container.
+A Linux DayZ server in a Docker container. Uses a modified version of https://github.com/thelastnoc/dayz-sa_linuxserver
 
-Edit docker-compose.yml and set the server name:
+### Setup
+
+Edit `files/serverDZ.cfg` and set the server name:
 
 ```
-- SERVERNAME=DayZ on Linux
+hostname = "Something other than Server Name";   // Server name
 ```
+Optionally edit `files/beserver_x64.cfg` and set the rcon password:
+```
+RConPassword h4CKm3
+```
+### Running
 Build the container, run it, tail the logs:
 ```
 docker-compose build

docker-compose.yml

@@ -12,9 +12,4 @@ services:
       - "27016:27016/udp"
     volumes:
       - homedir:/home/user
-      - ./files:/files
-    environment:
-#     Don't use double quotes. Escape any forward slashes: SERVERNAME=My thing \/ My other thing
-      - SERVERNAME=DayZ on Linux for Linux
-#     Set your own RCON password. Otherwise, a random one will be generated and shown in the log on the first run.
-#      - RCON_PASSWORD=H4CKM3
+      - ./files:/files

files/dayzserver

@@ -45,16 +45,16 @@ fn_loadconfig_dayz(){
 	fi
 
   # Set a random RCON password, unless one's set in the environment
-  if [ ! -f "${HOME}/serverfiles/battleye/beserver_x64.cfg" ]
+  if [ -d "${HOME}/serverfiles" ] && [ ! -f "${HOME}/serverfiles/battleye/beserver_x64.cfg" ]
   then
     echo -n "Creating Battle Eye RCON file "
   	cp /files/beserver_x64.cfg "${HOME}/serverfiles/battleye/beserver_x64.cfg"
-    if [[ ${RCON_PASSWORD} != "" ]]
+    if grep RCON_PASSWORD /files/beserver_x64.cfg
     then
-      echo "using the RCON_PASSWORD in the environment."
-    else
       RCON_PASSWORD=$(< /dev/urandom tr -dc 'A-Za-z0-9' | head -c10)
       echo -e "using random RCON password ${yellow}${RCON_PASSWORD}"
+    else
+      echo "using the RCON_PASSWORD already set in files/beserver_x64.cfg."
     fi
     sed -i "${HOME}/serverfiles/battleye/beserver_x64.cfg" -e "s/RCON_PASSWORD/${RCON_PASSWORD}/"
   fi
@@ -489,7 +489,7 @@ if [ ! -f "${HOME}/steamcmd/steamcmd.sh" ] || [ ! -f "${HOME}/serverfiles/DayZSe
 #	chmod u+x ${HOME}/dayzserver
 	fn_install_dayz
 	if [ -f "${HOME}/steamcmd/steamcmd.sh" ] && [ -f "${HOME}/serverfiles/DayZServer" ]; then
-		exec fn_start_dayz
+		fn_start_dayz
 	fi
 	echo "Something failed? Shouldn't make it here..."
 	exit

files/serverDZ.cfg

@@ -1,4 +1,4 @@
-hostname = "SERVER_NAME";   // Server name
+hostname = "Server Name";   // Server name
 password = "";              // Password to connect to the server
 passwordAdmin = "";         // Password to become a server admin