Use docker volumes instead of bind mount for app data

src/scripts/rmvolume.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+set -eu -o pipefail
+
+if [[ ${EUID} -ne 0 ]]; then
+    echo "This script should be run as root." > /dev/stderr
+    exit 1
+fi
+
+if [[ $# -eq 0 ]]; then
+    echo "No arguments supplied"
+    exit 1
+fi
+
+if [[ "$1" == "--check" ]]; then
+    echo "OK"
+    exit 0
+fi
+
+# this script is called from redis addon as well!
+
+appid="$1"
+subdir="$2"
+
+if [[ "${BOX_ENV}" == "cloudron" ]]; then
+    readonly volume_dir="${HOME}/appsdata/${appid}/${subdir}"
+else
+    readonly volume_dir="${HOME}/.cloudron_test/appsdata/${appid}/${subdir}"
+fi
+
+rm -rf "${volume_dir}"
+