diff --git a/Dockerfile b/Dockerfile
index 3cf21b5..04cdfc0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -38,6 +38,7 @@ ENV HEADLESS_CLIENTS_PROFILE="\$profile-hc-\$i"
 ENV PORT=2302
 ENV STEAM_BRANCH=public
 ENV STEAM_BRANCH_PASSWORD=
+ENV STEAM_ADDITIONAL_DEPOT=
 ENV MODS_LOCAL=true
 ENV MODS_PRESET=
 ENV SKIP_INSTALL=false
@@ -51,6 +52,13 @@ EXPOSE 2306/udp
 WORKDIR /arma3
 
 VOLUME /steamcmd
+VOLUME /arma3/addons
+VOLUME /arma3/enoch
+VOLUME /arma3/expansion
+VOLUME /arma3/jets
+VOLUME /arma3/heli
+VOLUME /arma3/orange
+VOLUME /arma3/argo
 
 STOPSIGNAL SIGINT
 
diff --git a/launch.py b/launch.py
index 3ce22e5..a4582f1 100644
--- a/launch.py
+++ b/launch.py
@@ -1,5 +1,6 @@
 import os
 import re
+import shutil
 import subprocess
 from string import Template
 
@@ -34,9 +35,29 @@ def env_defined(key):
         steamcmd.extend(["-beta", os.environ["STEAM_BRANCH"]])
     if env_defined("STEAM_BRANCH_PASSWORD"):
         steamcmd.extend(["-betapassword", os.environ["STEAM_BRANCH_PASSWORD"]])
-    steamcmd.extend(["validate", "+quit"])
+    steamcmd.extend(["validate"])
+    if env_defined("STEAM_ADDITIONAL_DEPOT"):
+        for depot in os.environ["STEAM_ADDITIONAL_DEPOT"].split("|"):
+            depot_parts = depot.split(",")
+            steamcmd.extend(
+                ["+login", os.environ["STEAM_USER"], os.environ["STEAM_PASSWORD"]]
+            )
+            steamcmd.extend(
+                ["+download_depot", "233780", depot_parts[0], depot_parts[1]]
+            )
+    steamcmd.extend(["+quit"])
     subprocess.call(steamcmd)
 
+if env_defined("STEAM_ADDITIONAL_DEPOT"):
+    for depot in os.environ["STEAM_ADDITIONAL_DEPOT"].split("|"):
+        depot_parts = depot.split(",")
+        depot_dir = (
+            f"/steamcmd/linux32/steamapps/content/app_233780/depot_{depot_parts[0]}/"
+        )
+        for file in os.listdir(depot_dir):
+            shutil.copytree(depot_dir + file, "/arma3/", dirs_exist_ok=True)
+            print(f"Moved {file} to /arma3")
+
 # Mods
 
 mods = []