[Unit]
Description=Nginx HTTP/S ingress for %I
Wants=nginx-ingress.service %i.service
After=nginx-ingress.service %i.service

[Service]
Type=oneshot
RemainAfterExit=true
Environment=SERVER_NAME=%i SSL_CERT_NAME=%i UPSTREAM_HOST=%i UPSTREAM_PORT=8080
Environment=NGINX_CONF=/etc/container-service/nginx/service/%p.conf.template
ExecStart=/bin/sh -c "envsubst '$SERVER_NAME $SERVER_NAME_ALT $SSL_CERT_NAME $UPSTREAM_HOST $UPSTREAM_PORT' \
                   < ${NGINX_CONF} > /var/lib/container-service/nginx-ingress/conf.d/%i.conf"
ExecStartPost=/bin/systemctl reload nginx-ingress
ExecStop=/bin/rm /var/lib/container-service/nginx-ingress/conf.d/%i.conf
ExecStopPost=/bin/systemctl reload nginx-ingress

[Install]
WantedBy=multi-user.target