diff --git a/README.md b/README.md
index 4563302..3d44c6e 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,17 @@
 ### Commands for running container:
 
 docker run -d -p 443:443 -p 1812:1812/udp -p 1813:1813/udp tier/eduroam-freeradius:3.0-20200221
+
+The following environment variables can be overridden:
+
+ENV DB_LOCATION=local \
+    DB_DRIVER=rlm_sql_mysql \
+    DB_DIALECT=mysql \
+    DB_HOST=localhost \
+    DB_PORT=3306 \
+    DB_ROOT_PWD=SuperStrongPassword \
+    DB_USER=radius \
+    DB_USER_PWD=SuperStrongPassword \
+    DB_NAME=radius \
+    ENV=dev \
+    USERTOKEN=nothing