Implemented draft

README.md

@@ -1,2 +1,4 @@
 # docker-manager
-contains scripts to manage docker
+contains scripts to manage docker.
+
+See https://blog.ssdnodes.com/blog/docker-backup-volumes/.

scripts/backup.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+host_backup_folder_path="$HOME/Backup/docker/"
+docker_backup_folder_path="/Backup/docker/"
+mkdir -p "$backup_folder_path"
+docker_container_ids="$(docker ps)";
+backup_folders=("/var/www/html/" "/var/lib/mysql/");
+for docker_container_id in "${docker_container_ids[@]}";
+do
+  #backup_dir_base_path="$docker_backup_folder_path""archive/$(date '+%Y%m%d%H%M%S')/""$docker_container_id/"
+  docker stop "$docker_container_id"
+  for rsync_source_path in "${backup_folders[@]}";
+  do
+    rsync_destination_path="$docker_backup_folder_path""last/""$docker_container_id/$rsync_source_path";
+    #backup_dir_path="$backup_dir_base_path$rsync_source_path";
+    docker run --rm --volumes-from "$docker_container_id" -v "$host_backup_folder_path:$docker_backup_folder_path" ubuntu bash -c “test -e $rsync_source_path && rsync -a --delete $rsync_source_path $rsync_destination_path”
+  done
+  docker start "$docker_container_id"
+done