diff --git a/kong/README.md b/kong/README.md
index ffde3f8d1..604cc7adc 100644
--- a/kong/README.md
+++ b/kong/README.md
@@ -125,6 +125,7 @@ $ docker run -d --name kong-database \
                 -p 5432:5432 \
                 -e "POSTGRES_USER=kong" \
                 -e "POSTGRES_DB=kong" \
+                -e "POSTGRES_PASSWORD=kong" \
                 postgres:9.6
 ```
 
@@ -137,6 +138,8 @@ $ docker run --rm \
     --link kong-database:kong-database \
     -e "KONG_DATABASE=postgres" \
     -e "KONG_PG_HOST=kong-database" \
+    -e "KONG_PG_USER=kong" \
+    -e "KONG_PG_PASSWORD=kong" \
     -e "KONG_CASSANDRA_CONTACT_POINTS=kong-database" \
     kong kong migrations bootstrap
 ```
@@ -154,6 +157,7 @@ $ docker run -d --name kong \
     --link kong-database:kong-database \
     -e "KONG_DATABASE=postgres" \
     -e "KONG_PG_HOST=kong-database" \
+    -e "KONG_PG_PASSWORD=kong" \
     -e "KONG_CASSANDRA_CONTACT_POINTS=kong-database" \
     -e "KONG_PROXY_ACCESS_LOG=/dev/stdout" \
     -e "KONG_ADMIN_ACCESS_LOG=/dev/stdout" \