fixing boot script

boot.sh

@@ -28,6 +28,7 @@ fi
 
 echo "Waiting for database to be ready..."
 
+if [ "${DB_ENGINE}" != 'django.db.backends.sqlite3' ]; then
   attempt=0
   max_attempts=20
   while pg_isready --host=${POSTGRES_HOST} -q; status=$?; attempt=$((attempt+1)); [ $status -ne 0 ] && [ $attempt -le $max_attempts ]; do
@@ -44,6 +45,8 @@ fi
 
   echo "Database is ready"
 
+fi
+
 echo "Migrating database"