diff --git a/contrib/container/.env b/contrib/container/.env
index b07299dc7d..33ffc7e5ee 100644
--- a/contrib/container/.env
+++ b/contrib/container/.env
@@ -12,6 +12,7 @@ INVENTREE_TAG=stable
 INVENTREE_SITE_URL="http://inventree.localhost"
 #INVENTREE_SITE_URL="http://192.168.1.2"  # You can specify a local IP address here
 #INVENTREE_SITE_URL="https://inventree.my-domain.com"  # Or a public domain name (which you control)
+INVENTREE_WEB_PORT=8000
 
 # InvenTree proxy forwarding settings
 INVENTREE_USE_X_FORWARDED_HOST=True
diff --git a/contrib/container/Caddyfile b/contrib/container/Caddyfile
index 71a6a0efed..d854703722 100644
--- a/contrib/container/Caddyfile
+++ b/contrib/container/Caddyfile
@@ -2,6 +2,7 @@
 # The following environment variables may be used:
 # - INVENTREE_SITE_URL: The upstream URL of the InvenTree site (default: inventree.localhost)
 # - INVENTREE_SERVER: The internal URL of the InvenTree container (default: http://inventree-server:8000)
+# - INVENTREE_WEB_PORT: The port on which the InvenTree web server listens (default: 8000)
 #
 # Note that while this file is a good starting point, it may need to be modified to suit your specific requirements
 #
diff --git a/contrib/container/docker-compose.yml b/contrib/container/docker-compose.yml
index ca0fe6cd19..9b8abc5b05 100644
--- a/contrib/container/docker-compose.yml
+++ b/contrib/container/docker-compose.yml
@@ -76,12 +76,14 @@ services:
         container_name: inventree-server
         # Only change this port if you understand the stack.
         expose:
-            - 8000
+            - ${INVENTREE_WEB_PORT:-8000}
         depends_on:
             - inventree-db
             - inventree-cache
         env_file:
             - .env
+        environment:
+          INVENTREE_SERVER: http://inventree-server:${INVENTREE_WEB_PORT}
         volumes:
             # Data volume must map to /home/inventree/data
             - ${INVENTREE_EXT_VOLUME}:/home/inventree/data:z