Initial version of JR IT backup of internal backend.

etc/app-backup/app-backup.conf

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+# What to back up
+ENABLE_WORDPRESS=true
+ENABLE_NEXTCLOUD=true
+ENABLE_NEXTCLOUD_DATA=true
+ENABLE_MAIL=true
+
+# Database dumps
+ENABLE_DB_DUMPS=true
+ENABLE_NEXTCLOUD_MAINTENANCE=true
+
+# Paths (adjust if needed)
+WP_DIR="/var/www/html/wordpress"
+NC_DIR="/var/www/html/nextcloud"
+NC_DATA_DIR="/var/www/nextcloud-data"
+NC_OCC_USER="apache"
+
+# Mail paths (adjust if needed)
+MAIL_DIR="/var/vmail"
+POSTFIX_DIR="/etc/postfix"
+DOVECOT_DIR="/etc/dovecot"
+
+# DB names (adjust)
+WP_DB_NAME="wordpress"
+NC_DB_NAME="nextcloud"
+
+# DB credentials files (create from examples, chmod 600, root:root)
+WP_DB_CNF="/etc/app-backup/db-wordpress.cnf"
+NC_DB_CNF="/etc/app-backup/db-nextcloud.cnf"
+
+# Working dirs
+WORKDIR="/var/backups/app-backup"
+
+# Disk protection / retention
+LOCAL_RETENTION_DAYS=7
+MIN_FREE_GB=10
+
+# Compression
+COMPRESSOR="zstd"
+
+# rclone destination
+RCLONE_REMOTE="onedrive:Sicherung"
+
+# remote retention
+ENABLE_REMOTE_RETENTION=true
+REMOTE_RETENTION_DAYS=30
+
+# mail reporting via postfix/sendmail
+ENABLE_MAIL_REPORT=true
+MAIL_TO="johannes"
+MAIL_SUBJECT_PREFIX="[app-backup]"
+MAIL_INCLUDE_LOG_TAIL_LINES=200

etc/app-backup/db-nextcloud.cnf.example

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+[client]
+user=nc_user
+password=CHANGE_ME
+host=localhost

etc/app-backup/db-wordpress.cnf.example

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+[client]
+user=wp_user
+password=CHANGE_ME
+host=localhost