backup.conf.example

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# vps-github-backup configuration. Copy to backup.conf and edit.
# This file is sourced by bash: arrays use ( "a" "b" ), no spaces around "=".

# ---- destination -------------------------------------------------------------
# A PRIVATE GitHub repository. Use a deploy key with write access (see README).
REPO_REMOTE="git@github.com:YOUR_USER/server-backup.git"
SSH_KEY="/root/.ssh/backup_deploy"

# ---- what to back up -----------------------------------------------------------
# Each directory becomes code/<path>.tar.zst, e.g. /opt/my-app -> code/opt_my-app.tar.zst
# (includes .env files!)
TAR_DIRS=(
  "/opt/my-app"
  "/var/www/my-site"
)
TAR_EXCLUDES=(node_modules .git __pycache__ vendor "*.log" logs "*.bak")

# Large folders that rarely change (images, game assets, uploads).
# Stored as raw files so git uploads each file only once.
RAW_DIRS=(
  # "/var/www/my-site/public/uploads"
)

# Databases
SQLITE_DBS=(
  # "/opt/my-app/data/app.db"
)
POSTGRES=0        # 1 = pg_dumpall (runs as the postgres user)
MYSQL=0           # 1 = mysqldump --all-databases (uses ~/.my.cnf credentials)
REDIS=0           # 1 = SAVE + copy dump.rdb
REDIS_RDB=/var/lib/redis/dump.rdb
REDIS_CLI_ARGS=()   # e.g. (-a "password") or (-s /run/redis/redis.sock)

# System configuration (paths relative to /)
ETC_PATHS=(etc/nginx etc/letsencrypt etc/cron.d etc/systemd/system etc/fail2ban etc/ufw etc/hosts)
PM2=0             # 1 = include ~/.pm2/dump.pm2 (run "pm2 save" first)

# ---- alerts (Discord) -----------------------------------------------------------
# Option A: channel webhook
DISCORD_WEBHOOK_URL=""
# Option B: direct message from your bot (bot must share a server with you)
DISCORD_BOT_TOKEN=""
DISCORD_USER_IDS=""          # comma separated user IDs
STALE_HOURS=26               # watchdog alert when no success for this long

# ---- tuning --------------------------------------------------------------------
# STAGING is wiped on every run: use a dedicated folder, never a real data folder.
STAGING=/var/backups/vps-github-backup
STATE_DIR=/var/lib/vps-github-backup
LOG=/var/log/vps-github-backup.log
LOG_MAX_KB=5120              # trim the log to its last 2000 lines above this size
ZSTD_LEVEL=10
SPLIT_MB=95                  # GitHub hard limit is 100 MB per file
MIN_FREE_GB=5
MIN_DUMP_BYTES=1000          # alert if a database dump is smaller than this