fix ARG as cmd param deos not work, using ENV again

Dockerfile

@@ -13,16 +13,16 @@ RUN rm "vs_server_${vs_version}.tar.gz"
 # ============== runtime stage ==================
 FROM mono:latest as runtime
 
-WORKDIR /game
+COPY --from=downloader "./download/" "/game"
 
+# Defaults
 ARG vs_data_path=/gamedata/vs
 
-COPY --from=downloader "./download/" "/game"
 COPY "./serverconfig.json" "${vs_data_path}/serverconfig.json"
 
-
 #  Expose ports
 EXPOSE 42420/tcp
 
+WORKDIR /game
 # Execution command
-CMD mono VintagestoryServer.exe --dataPath ${vs_data_path}
+CMD mono VintagestoryServer.exe --dataPath ${VS_DATA_PATH}

build-custom-example/Dockerfile

@@ -1,7 +1,7 @@
 # ============== runtime stage ==================
 FROM devidian/vintagestory:latest as runtime
 
-ARG vs_data_path=/gamedata/vs
+ARG vs_data_path=/gamedata/vs-custom
 
 # update with your own serverconfig
 COPY serverconfig.json ${vs_data_path}/serverconfig.json
@@ -12,4 +12,4 @@ COPY Playerdata ${vs_data_path}/Playerdata/
 
 WORKDIR /game
 
-CMD mono VintagestoryServer.exe --dataPath ${vs_data_path}
+CMD mono VintagestoryServer.exe --dataPath ${VS_DATA_PATH}

build-custom-example/docker-compose.yml

@@ -5,13 +5,14 @@ services:
     build:
       context: .
       args: 
-        vs_data_path: /gamedata/vs-mods/
+        vs_data_path: /gamedata/vs-custom/
     container_name: vsserver
     restart: always
     volumes: 
       - gamedata:/gamedata
     ports:
       - 42420:42420
-      
+    environment:
+      VS_DATA_PATH: /gamedata/vs-custom
 volumes:
   gamedata: