[Unit] Description=Smail certificate renewal After=network-online.target nginx.service Wants=network-online.target [Service] Type=oneshot ExecStart=/usr/local/libexec/smail-acme/renew_certificate.py EnvironmentFile=-/etc/smail/acme-dns.env EnvironmentFile=-/etc/smail/acme-renew.env TimeoutStartSec=720 TimeoutStopSec=15 MemoryHigh=96M MemoryMax=128M MemorySwapMax=0 CPUQuota=100% TasksMax=64 Environment=GOMEMLIMIT=64MiB UMask=0077 PrivateTmp=true ProtectHome=true NoNewPrivileges=true