entrypoint

#!/bin/sh
CONF_TEMPLATE=${CONF_TEMPLATE:-"/usr/local/default.template"}

export SERVER_NAME=${SERVER_NAME:-"localhost"}
export SERVER_ROOT=${SERVER_ROOT:-"/usr/local/nginx/html"}
export LISTEN_PORT=${LISTEN_PORT:-"80"}
echo "Creating configuration from ${CONF_TEMPLATE}"
perl -pe 's{\$(\{)?(\w+)(?(1)\})}{$ENV{$2} // $&}ge' < "${CONF_TEMPLATE}" > /etc/nginx/conf.d/default.conf
echo "Starting..."
exec "$@"