[Unit]
Description=Hair change color Flask service (meida.xiangsilian.com/hair)
After=network-online.target
Wants=network-online.target

[Service]
Type=simple
User=ubuntu
Group=ubuntu
WorkingDirectory=/home/ubuntu/hair_change_color/backend
ExecStart=/home/ubuntu/hair_change_color/.venv/bin/gunicorn \
  -w 2 \
  -b 127.0.0.1:5000 \
  --timeout 180 \
  --access-logfile /home/ubuntu/log/hair_access.log \
  --error-logfile /home/ubuntu/log/hair_error.log \
  app:app
Restart=on-failure
RestartSec=5

[Install]
WantedBy=multi-user.target