Add example system config files

nginx_locations

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+# prod site
+location /zetikettes {
+	alias /var/lib/zetikettes/frontend;
+}
+location /zetikettes/srv/static {
+	alias /var/lib/zetikettes/www_static;
+}
+
+location ^~ /zetikettes/srv {
+	proxy_pass http://127.0.0.1:8000;
+	proxy_set_header SCRIPT_NAME /zetikettes/srv;
+	proxy_set_header Host $http_host;
+
+	# generating stuff takes time
+	proxy_read_timeout 10m;
+
+	client_max_body_size 10M;
+}

zetikettes.service

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+[Unit]
+Description=Zetikettes backend service
+After=docker.service
+Requires=docker.service
+
+[Service]
+ExecStart=/usr/bin/docker run --rm --name %n \
+	-p 127.0.0.1:8000:8000 \
+	-v /var/lib/zetikettes/data:/data \
+	zetikettes
+Restart=on-failure
+ExecStartPre=-/usr/bin/docker exec %n stop
+ExecStartPre=-/usr/bin/docker rm %n
+
+[Install]
+WantedBy=multi-user.target