最初のコミット

taiko-web-db-cron.sh

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+#!/bin/bash
+
+set -eu
+
+test "$(docker container inspect -f '{{.State.Status}}' taiko-mongo)" = "running"
+
+cd ~/taiko-web-db
+
+git reset --hard HEAD
+
+docker exec -i taiko-mongo mongoexport --db taiko --collection users --out /dev/stdout | sort -n > users.json
+docker exec -i taiko-mongo mongoexport --db taiko --collection songs --out /dev/stdout | sort -n > songs.json
+docker exec -i taiko-mongo mongoexport --db taiko --collection scores --out /dev/stdout | sort -n > scores.json
+
+git add *.json
+git commit --author="BOT <bot@example.com>" -m "$(git diff --name-only --cached | paste -s -d ' ') が更新されました"
+git push origin main

taiko-web-db.service

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+[Unit]
+Description=My Taiko Web's DB Backup Service
+
+[Service]
+User=root
+Group=root
+WorkingDirectory=/root
+ExecStart=bash taiko-web-db-cron.sh
+Type=simple
+
+[Install]
+WantedBy=multi-user.target

taiko-web-db.timer

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+[Unit]
+Description=My Taiko Web's DB Backup Cron Service
+
+[Timer]
+OnCalendar=*:0/1
+
+[Install]
+WantedBy=timers.target