diff --git a/Dockerfile b/Dockerfile
index a3561ec..e3f5804 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,26 +3,26 @@ FROM alpine as downloader
 
 WORKDIR /download
 
-ENV VSTYPE stable
-ENV VSVERSION 1.13.0
+ARG vs_type=stable
+ARG vs_version=1.13.0
 
-RUN wget "https://cdn.vintagestory.at/gamefiles/${VSTYPE}/vs_server_${VSVERSION}.tar.gz"
-RUN tar xzf "vs_server_${VSVERSION}.tar.gz"
-RUN rm "vs_server_${VSVERSION}.tar.gz"
+RUN wget "https://cdn.vintagestory.at/gamefiles/${vs_type}/vs_server_${vs_version}.tar.gz"
+RUN tar xzf "vs_server_${vs_version}.tar.gz"
+RUN rm "vs_server_${vs_version}.tar.gz"
 
 # ============== runtime stage ==================
 FROM mono:latest as runtime
 
 WORKDIR /game
 
-ENV VSDATAPATH vs
+ARG vs_data_path=/gamedata/vs
 
 COPY --from=downloader "./download/" "/game"
-COPY "./serverconfig.json" "/gamedata/${VSDATAPATH}/serverconfig.json"
+COPY "./serverconfig.json" "${vs_data_path}/serverconfig.json"
 
 
 #  Expose ports
 EXPOSE 42420/tcp
 
-# CMD [ "mono" , "VintagestoryServer.exe", "--dataPath", "/gamedata/${VSDATAPATH}" ]
-CMD mono VintagestoryServer.exe --dataPath "/gamedata/${VSDATAPATH}"
+# Execution command
+CMD mono VintagestoryServer.exe --dataPath ${vs_data_path}
diff --git a/README.md b/README.md
index feb7801..2c55c43 100644
--- a/README.md
+++ b/README.md
@@ -17,13 +17,18 @@ You can either copy files from `https://github.com/Devidian/docker-vintagestory/
 # ============== runtime stage ==================
 FROM devidian/vintagestory:latest as runtime
 
-WORKDIR /game
+ARG vs_data_path=/gamedata/vs
 
 # update with your own serverconfig
-COPY "./serverconfig.json" "/gamedata/${VSDATAPATH}/serverconfig.json"
+COPY serverconfig.json ${vs_data_path}/serverconfig.json
+# copy mods
+#COPY Mods ${vs_data_path}/Mods/
+# copy default player data
+#COPY Playerdata ${vs_data_path}/Playerdata/
 
-# CMD [ "mono" , "VintagestoryServer.exe", "--dataPath", "/gamedata/${VSDATAPATH}" ]
-CMD mono VintagestoryServer.exe --dataPath "/gamedata/${VSDATAPATH}"
+WORKDIR /game
+
+CMD mono VintagestoryServer.exe --dataPath ${vs_data_path}
 
 ```
 
@@ -34,15 +39,17 @@ version: '3.1'
 
 services: 
   vsserver:
-    build: .
+    build:
+      context: .
+      args: 
+        vs_data_path: /gamedata/vs-mods/
     container_name: vsserver
     restart: always
     volumes: 
       - gamedata:/gamedata
     ports:
       - 42420:42420
-    environment:
-      VSDATAPATH: vs-custom
+      
 volumes:
   gamedata:
 ```
diff --git a/build-custom-example/Dockerfile b/build-custom-example/Dockerfile
index 46fe4cc..54e2788 100644
--- a/build-custom-example/Dockerfile
+++ b/build-custom-example/Dockerfile
@@ -1,10 +1,15 @@
 # ============== runtime stage ==================
 FROM devidian/vintagestory:latest as runtime
 
-WORKDIR /game
+ARG vs_data_path=/gamedata/vs
 
 # update with your own serverconfig
-COPY "./serverconfig.json" "/gamedata/${VSDATAPATH}/serverconfig.json"
+COPY serverconfig.json ${vs_data_path}/serverconfig.json
+# copy mods
+COPY Mods ${vs_data_path}/Mods/
+# copy default player data
+COPY Playerdata ${vs_data_path}/Playerdata/
 
-# CMD [ "mono" , "VintagestoryServer.exe", "--dataPath", "/gamedata/${VSDATAPATH}" ]
-CMD mono VintagestoryServer.exe --dataPath "/gamedata/${VSDATAPATH}"
+WORKDIR /game
+
+CMD mono VintagestoryServer.exe --dataPath ${vs_data_path}
diff --git a/build-custom-example/Mods/ExtendedChiselDurability.zip b/build-custom-example/Mods/ExtendedChiselDurability.zip
new file mode 100644
index 0000000..829c164
Binary files /dev/null and b/build-custom-example/Mods/ExtendedChiselDurability.zip differ
diff --git a/build-custom-example/Playerdata/playerdata.json b/build-custom-example/Playerdata/playerdata.json
new file mode 100644
index 0000000..31b2de9
--- /dev/null
+++ b/build-custom-example/Playerdata/playerdata.json
@@ -0,0 +1,14 @@
+[
+  {
+    "PlayerUID": "Mo9k7zpajYd5tnelISSR6BDl",
+    "RoleCode": "admin",
+    "PermaPrivileges": [],
+    "DeniedPrivileges": [],
+    "PlayerGroupMemberShips": {},
+    "AllowInvite": true,
+    "LastKnownPlayername": "Devidian",
+    "CustomPlayerData": {},
+    "ExtraLandClaimAllowance": 0,
+    "ExtraLandClaimAreas": 0
+  }
+]
\ No newline at end of file
diff --git a/build-custom-example/Playerdata/playergroups.json b/build-custom-example/Playerdata/playergroups.json
new file mode 100644
index 0000000..0637a08
--- /dev/null
+++ b/build-custom-example/Playerdata/playergroups.json
@@ -0,0 +1 @@
+[]
\ No newline at end of file
diff --git a/build-custom-example/Playerdata/playersbanned.json b/build-custom-example/Playerdata/playersbanned.json
new file mode 100644
index 0000000..0637a08
--- /dev/null
+++ b/build-custom-example/Playerdata/playersbanned.json
@@ -0,0 +1 @@
+[]
\ No newline at end of file
diff --git a/build-custom-example/Playerdata/playerswhitelisted.json b/build-custom-example/Playerdata/playerswhitelisted.json
new file mode 100644
index 0000000..0637a08
--- /dev/null
+++ b/build-custom-example/Playerdata/playerswhitelisted.json
@@ -0,0 +1 @@
+[]
\ No newline at end of file
diff --git a/build-custom-example/docker-compose.yml b/build-custom-example/docker-compose.yml
index e1d9378..eeefcbc 100644
--- a/build-custom-example/docker-compose.yml
+++ b/build-custom-example/docker-compose.yml
@@ -2,14 +2,16 @@ version: '3.1'
 
 services: 
   vsserver:
-    build: .
+    build:
+      context: .
+      args: 
+        vs_data_path: /gamedata/vs-mods/
     container_name: vsserver
     restart: always
     volumes: 
       - gamedata:/gamedata
     ports:
       - 42420:42420
-    environment:
-      VSDATAPATH: vs-custom
+      
 volumes:
   gamedata:
\ No newline at end of file