diff --git a/.env.example b/.env.example
index 402e52d9..7251fcd1 100644
--- a/.env.example
+++ b/.env.example
@@ -6,3 +6,5 @@ BUILD_THREADS=1
 BUILD_VERSION=171022
 # make sure this is a long random string
 ACCOUNT_MANAGER_SECRET=
+# Needs to be set to the actual public ip. See https://github.com/DarkflameUniverse/DarkflameServer/issues/45
+EXTERNAL_IP=0.0.0.0
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 68fa6302..ee13a33d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -30,6 +30,7 @@ services:
       - DATABASE_HOST=database
       - DATABASE_USER=${MARIADB_USER:-darkflame}
       - DATABASE_PASSWORD=${MARIADB_PASSWORD:-darkflame}
+      - EXTERNAL_IP=${EXTERNAL_IP:-localhost}
     volumes:
       - ${CLIENT_PATH:?err}:/client
     depends_on:
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 4d1ba116..6b2b3712 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -37,8 +37,7 @@ RUN echo "Build server" && \
     cmake .. && \
     make -j $BUILD_THREADS
 
-RUN mkdir -p /build/build/res/maps/navmeshes/ && \
-    unzip /build/resources/navmeshes.zip -d /build/build/res/maps
+RUN unzip /build/resources/navmeshes.zip -d /build/build/res/maps
 
 FROM gcc:11 as runtime
 
diff --git a/docker/pkextractor.py b/docker/pkextractor.py
index 0b77380d..a6747274 100644
--- a/docker/pkextractor.py
+++ b/docker/pkextractor.py
@@ -113,9 +113,9 @@ class PKExtractor:
         original_md5 = self.records[path][4]
 
         dir, filename = os.path.split(path)
-        out = os.path.join(outdir, dir)
+        out = os.path.join(outdir, dir.lower())
         os.makedirs(out, exist_ok=True)
-        out_file_path = os.path.join(out, filename)
+        out_file_path = os.path.join(out, filename.lower())
 
         if os.path.isfile(out_file_path):
             with open(out_file_path, "rb") as f:
diff --git a/docker/start_server.sh b/docker/start_server.sh
index 12ea99ef..fc14a052 100644
--- a/docker/start_server.sh
+++ b/docker/start_server.sh
@@ -45,6 +45,9 @@ function update_database_ini_values_for() {
     update_ini $INI_FILE mysql_database $DATABASE
     update_ini $INI_FILE mysql_username $DATABASE_USER
     update_ini $INI_FILE mysql_password $DATABASE_PASSWORD
+    if [[ "$INI_FILE" != "worldconfig.ini" ]]; then
+        update_ini $INI_FILE external_ip $EXTERNAL_IP
+    fi
 }
 
 function update_ini_values() {
@@ -62,8 +65,14 @@ function symlink_client_files() {
     ln -s /client/client/res/BrickModels/ /app/res/BrickModels
     ln -s /client/client/res/chatplus_en_us.txt /app/res/chatplus_en_us.txt
     ln -s /client/client/res/names/ /app/res/names
-    ln -s /client/client/res/maps/ /app/res/maps
     ln -s /client/client/locale/locale.xml /app/locale/locale.xml
+    (
+        cd /client/client/res/maps
+        readarray -d '' entries < <(printf '%s\0' * | sort -zV)
+        for entry in "${entries[@]}"; do
+            ln -s /client/client/res/maps/$entry /app/res/maps/
+        done
+    )
 }
 
 function fdb_to_sqlite() {