feature: try to fix docker run commands

docker/scripts/_start_gunicorn.sh

@@ -1,4 +0,0 @@
-#!/bin/bash
-poetry run gunicorn pinry.wsgi -b 0.0.0.0:8000 -w 4 \
-    --capture-output --timeout 30 \
-    --user www-data --group www-data

docker/scripts/start.sh

@@ -30,4 +30,4 @@ chown -R www-data:www-data /data
 /usr/sbin/nginx
 
 cd ${PROJECT_ROOT}
-./docker/scripts/_start_gunicorn.sh
+make serve-gunicorn