diff --git a/.gitignore b/.gitignore
index 2725d02..4f0f5e3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
+/conf/*.conf
 /BAK/*
 databases.txt*
diff --git a/conf/optimize_mysql_tables.conf.sample b/conf/optimize_mysql_tables.conf.sample
new file mode 100644
index 0000000..a5f10e3
--- /dev/null
+++ b/conf/optimize_mysql_tables.conf.sample
@@ -0,0 +1,34 @@
+# ----------------------------------------------------
+# ---
+# - Parameter Settings for Script 'optimize_mysql_tables.sh'
+# ---
+# ----------------------------------------------------
+
+
+# - MySQL / MariaDB credentials
+# -
+# - Giving password on command line is insecure an sind mysql 5.5
+# - you will get a warning doing so.
+# - 
+# - Reading username/password fro file ist also possible, using MySQL/MariaDB
+# - commandline parameter '--defaults-file'.
+# - 
+# - Since Version 5.6, that method is considered as insecure. 
+# - To avoid giving the password on command line, we use an 
+# - encrypted option file
+# -
+# -    Create (encrypted) option file:
+# -    $ mysql_config_editor set --login-path=local --socket=/var/run/mysqld/mysqld.sock  --user=backup --password
+# -    $ Password:
+# -
+# -    Use of option file:
+# -    $ mysql --login-path=local ...
+# -
+# - Example
+# -    mysql_credential_args="--login-path=local"
+# -    mysql_credential_args="--defaults-file=/etc/mysql/debian.cnf" (Debian default)
+# -    mysql_credential_args="--defaults-file=/usr/local/mysql/sys-maint.cnf"
+# -
+# - Defaults to mysql_credential_args="--login-path=local"
+# -
+mysql_credential_args=""
diff --git a/optimize_mysql_tables.sh b/optimize_mysql_tables.sh
index 64d76e6..be84e05 100755
--- a/optimize_mysql_tables.sh
+++ b/optimize_mysql_tables.sh
@@ -1,5 +1,8 @@
 #!/usr/bin/env bash
 
+working_dir="$(dirname $(realpath $0))"
+conf_file="${working_dir}/conf/optimize_mysql_tables.conf"
+
 # - Is this script running on terminal ?
 # -
 if [[ -t 1 ]] ; then
@@ -18,31 +21,18 @@ if [ -z "$mysql" ]; then
    fi
 fi
 
-# - MySQL / MariaDB credentials
-# -
-# - Giving password on command line is insecure an sind mysql 5.5
-# - you will get a warning doing so.
-# - 
-# - Reading username/password fro file ist also possible, using MySQL/MariaDB
-# - commandline parameter '--defaults-file'.
-# - 
-# - Since Version 5.6, that method is considered as insecure. 
-# - To avoid giving the password on command line, we use an 
-# - encrypted option file
-# -
-# -    Create (encrypted) option file:
-# -    $ mysql_config_editor set --login-path=local --socket=/tmp/mysql.sock  --user=root --password
-# -    $ Password:
-# -
-# -    Use of option file:
-# -    $ mysql --login-path=local ...
-# -
-# - Example
-# -    mysql_credential_args="--login-path=local"
-# -    mysql_credential_args="--defaults-file=/etc/mysql/debian.cnf" (Debian default)
-# -    mysql_credential_args="--defaults-file=/usr/local/mysql/sys-maint.cnf"
-# -
-mysql_credential_args="--login-path=local"
+
+#---------------------------------------
+#-----------------------------
+# Read Configurations from $conf_file
+#-----------------------------
+#---------------------------------------
+
+if [[ -f "$conf_file" ]]; then
+   source "$conf_file"
+fi
+
+[[ -z "$mysql_credential_args" ]] && mysql_credential_args="--login-path=local"
 
 
 if [ -n "$mysql_credential_args" ] ; then