Rename entrypoint script.

docker/entrypoint.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -e
+
+if [[ -z $POSTGRES_PORT_5432_TCP_ADDR ]]; then
+  echo "** ERROR: You need to link the Postgres container."
+  exit 1
+fi
+
+until nc -z $POSTGRES_PORT_5432_TCP_ADDR $POSTGRES_PORT_5432_TCP_PORT; do
+    echo "$(date) - waiting for Postgres..."
+    sleep 1
+done
+
+# Migrate database, create initial admin user
+mayan-edms.py initialsetup
+
+exec "$@"