build: добавлены метаданные и systemd юниты для сборки .deb пакета

debian/changelog

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+traffic-checker (0.1-1) unstable; urgency=medium
+
+  * Initial release.
+
+ -- Vladimir Khvan <thisisnotablownfuse@gmail.com>  Sat, 01 Aug 2026 04:00:00 +0300

debian/control

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+Source: traffic-checker
+Section: python
+Priority: optional
+Maintainer: Your Name <you@example.com>
+Build-Depends: debhelper-compat (=13),
+               dh-python,
+               python3-all,
+               python3-setuptools
+Standards-Version: 4.6.2
+
+Package: traffic-checker
+Architecture: all
+Depends: ${misc:Depends}, ${python3:Depends}
+Description: Traffic consumption monitoring CLI tool for remote servers with automated alerting

debian/install

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+config.json.example /etc/traffic-checker/
+.env.example /etc/traffic-checker/
+state.json.example /var/lib/traffic-checker/

debian/rules

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+#!/usr/bin/make -f
+
+export DH_VERBOSE = 1
+
+%:
+	dh $@ --with python3 --buildsystem=pybuild
+
+override_dh_installsystemd:
+	dh_installsystemd --no-enable

debian/traffic-checker.service

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+[Unit]
+Description=Traffic Checker Monitoring Service
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=oneshot
+User=traffic-checker
+Group=traffic-checker
+ExecStart=/usr/bin/traffic-checker
+EnvironmentFile=-/etc/traffic-checker/environment

debian/traffic-checker.timer

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+[Unit]
+Description=Run Traffic Checker every 5 minutes
+
+[Timer]
+OnCalendar=*:0/5
+Persistent=true
+
+[Install]
+WantedBy=timers.target