add staging url for develop

scripts/util.sh

@@ -59,7 +59,18 @@ auto_enable_configs() {
 # EMAIL environment variable, to register the proper support email address.
 get_certificate() {
     echo "Getting certificate for domain $1 on behalf of user $2"
+    PRODUCTION_URL='https://acme-v01.api.letsencrypt.org/directory'
+    STAGING_URL='https://acme-staging.api.letsencrypt.org/directory'
+
+    if [[ ! "${IS_STAGING}" = "1" ]]; then
+        LETSENCRYPT_URL=STAGING_URL
+        echo "Staging on"
+    else
+        LETSENCRYPT_URL=PRODUCTION_URL
+        echo "Production on"
+    fi
+
     certbot certonly --agree-tos --keep -n --text --email $2 --server \
-        https://acme-v01.api.letsencrypt.org/directory -d $1 --http-01-port 1337 \
+        $LETSENCRYPT_URL -d $1 --http-01-port 1337 \
         --standalone --standalone-supported-challenges http-01 --debug
 }