updated to mariadb-10.1.12-0

Notable Changes:
 - root password is optional

bitnami/mariadb/rootfs/app-entrypoint.sh

@@ -1,21 +1,14 @@
 #!/bin/bash
 set -e
 
+chown $BITNAMI_APP_USER: $BITNAMI_APP_VOL_PREFIX || true
+
 if [[ "$1" == "harpoon" && "$2" == "start" ]]; then
   status=`harpoon inspect $BITNAMI_APP_NAME`
   if [[ "$status" == *'"lifecycle": "unpacked"'* ]]; then
-    harpoon initialize $BITNAMI_APP_NAME --password ${MARIADB_PASSWORD:-password}
-
-    ## disable DNS lookups
-    # this should happen in harpoon initialize, controlled by a argument, eg. --skip-name-resolve
-    (
-      echo ""
-      echo "[mysqld]"
-      echo "skip-name-resolve"
-    ) >> $BITNAMI_APP_DIR/conf/my.cnf
+    harpoon initialize $BITNAMI_APP_NAME \
+      ${MARIADB_PASSWORD:+--password $MARIADB_PASSWORD}
   fi
-
-  chown -R $BITNAMI_APP_USER: $BITNAMI_APP_DIR/data || true
 fi
 
 exec /entrypoint.sh "$@"