Added UID and GID environment variables to allow execution as non-root

user

fixes #2

entrypoint.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+
+#set -ux
+
+BACKUP_CMD="/sbin/su-exec ${UID}:${GID} /app/backup.sh"
+
+echo "Running as $(id)"
+if [ "$(id -u)" -eq 0 ] && [ "$(grep -c "$BACKUP_CMD" "$CRONFILE")" -eq 0 ]; then
+  echo "Initalizing..."
+  echo "$CRON_TIME $BACKUP_CMD >> $LOGFILE 2>&1" | crontab -
+
+  # Start crond if it's not running
+  pgrep crond > /dev/null 2>&1
+  if [ $? -ne 0 ]; then
+    /usr/sbin/crond -L /app/log/cron.log
+  fi
+fi
+
+# Restart script as user "app:app"
+if [ "$(id -u)" -eq 0 ]; then
+  exec su-exec app:app "$0" "$@"
+fi
+
+if [ ! -e "$DB_FILE" ]
+then 
+  echo "Database $DB_FILE not found!\nPlease check if you mounted the bitwarden_rs volume with '--volumes-from=bitwarden'"!
+  exit 1;
+fi
+
+echo "$(date "+%F %T") - Container started" > "$LOGFILE"
+tail -F "$LOGFILE" /app/log/cron.log