[Unit]
Description=Captive Portal (nginx + dnsmasq)
After=network.target hostapd.service
Wants=nginx.service dnsmasq.service

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/bin/systemctl start nginx dnsmasq
ExecStop=/bin/systemctl stop nginx dnsmasq

[Install]
WantedBy=multi-user.target