add register script bash

scripts/register.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+PRODUCTION_URL='https://acme-v01.api.letsencrypt.org/directory'
+STAGING_URL='https://acme-staging.api.letsencrypt.org/directory'
+
+if [ "${IS_STAGING}" = "1" ]; then
+    letsencrypt_url=$STAGING_URL
+    echo "Staging ..."
+else
+    letsencrypt_url=$PRODUCTION_URL
+    echo "Production ..."
+fi
+
+echo "running certbot ... $letsencrypt_url $1 $2"
+certbot certonly --agree-tos --keep -n --text --email $2 --server \
+    $letsencrypt_url -d $1 --http-01-port 1337 \
+    --standalone --preferred-challenges http-01 --debug