nami INFO Initializing apache
apache INFO ==> Patching httpoxy...
apache INFO ==> Configuring dummy certificates...
nami INFO apache successfully initialized
nami INFO Initializing php
nami INFO php successfully initialized
nami INFO Initializing mysql-client
Error executing 'postInstallation': Failed to connect to mysql-
my-site.xxxxxxxxxx.us-east-1.rds.amazonaws.com:3306 after 36 tries

MYSQL_CLIENT_CREATE_DATABASE_USER=moodle
MYSQL_CLIENT_CREATE_DATABASE_PASSWORD=moodle01
MYSQL_CLIENT_CREATE_DATABASE_NAME=db_moodle
MOODLE_DB_USER=moodle
MOODLE_DB_PASSWORD=moodle01
MOODLE_DB_HOST=my-site.xxxxxxxx.us-east-1.rds.amazonaws.com
MOODLE_DATABASE_PASSWORD=moodle01
MARIADB_ROOT_USER=moodle
MARIADB_ROOT_PASSWORD=moodle01
MARIADB_PORT_NUMBER=3306
MARIADB_HOST=my-site.xxxxxxxxx.us-east-1.rds.amazonaws.com
EXTERNAL_DATABASE_USER=moodle
EXTERNAL_DATABASE_PORT=3306
EXTERNAL_DATABASE_PASSWORD=moodle01
EXTERNAL_DATABASE_HOST=my-site.xxxxxxxxx.us-east-1.rds.amazonaws.com
EXTERNAL_DATABASE_DATABASE=db_moodle
ALLOW_EMPTY_PASSWORD=no