add bash script to simply create backups with server

Dockerfile

@@ -18,6 +18,7 @@ VOLUME ["/sshkeys/host"]
 COPY motd.txt /etc/motd
 COPY entrypoint-script/entrypoint.sh /
 COPY entrypoint-script/variables.sh /
+COPY scripts/borgbackup.sh /usr/local/bin/
 
 COPY bash-config/.bash_profile /root/
 COPY bash-config/.bashrc /root/

scripts/borgbackup.sh

@@ -0,0 +1,49 @@
+##############################################################################################################################
+# Borg Backup Funktionen
+##############################################################################################################################
+function create_borg_backup {
+  # $1 = ARCHIVE NAME
+  # $2 = FOLDER TO BACKUP
+  local ARCHIVE_NAME="$1"
+  local FOLDER_TO_BACKUP="$2"
+
+  if [ -z "$ARCHIVE_NAME" ]; then
+    echo "No archive name provided"
+    return 1
+  fi
+  if [ -z "$FOLDER_TO_BACKUP" ]; then
+    echo "No folder to backup provided"
+    return 1
+  fi
+  if [ -z "$BORG_CREATE_PARAMS" ]; then
+    echo "No borg create params provided"
+    return 1
+  fi
+
+  echo "Creating Borg Backup from $FOLDER_TO_BACKUP into the Archive: $ARCHIVE_NAME"
+  borg create "${BORG_CREATE_PARAMS[@]}" "$BORG_REPO"::"$ARCHIVE_NAME-{now:%d.%m.%Y_%H:%M}" "$FOLDER_TO_BACKUP"
+  backup_exit=$?
+}
+
+function purge_borg_backup {
+  # $1 = ARCHIVE NAME
+  local ARCHIVE_NAME="$1"
+
+  if [ -z "$ARCHIVE_NAME" ]; then
+    echo "No archive name provided"
+    return 1
+  fi
+  if [ -z "$BORG_PRUNE_PARAMS" ]; then
+    echo "No borg purge params provided"
+    return 1
+  fi
+
+  echo "Purging Borg Backup Archive: $ARCHIVE_NAME"
+  borg prune -a "$ARCHIVE_NAME-*" "${BORG_PRUNE_PARAMS[@]}"
+  prune_exit=$?
+}
+
+function compact_borg_backup {
+  borg compact --progress ::
+  compact_exit=$?
+}