introduce steps

nginx/acme.cfg

@@ -0,0 +1,10 @@
+# Serve only through HTTP while updating the certificate
+server {
+  listen 80;
+  server_name kornerr.ru;
+  root /var/www/html;
+
+  location / {
+    try_files $uri $uri/ =404;
+  }
+}

nginx/cfg

@@ -5,6 +5,7 @@ server {
   return 301 https://$server_name$request_uri;
 }
 
+# Serve through HTTPS only
 server {
   listen 443 ssl;
   server_name kornerr.ru;

nginx/setup

@@ -0,0 +1,9 @@
+#!/bin/bash -e
+SDIR=$(cd "$(dirname "$0")" ; pwd -P)
+T=$SDIR/../step
+
+STEP=0
+source $T/ensureRootUser
+source $T/installNginx
+source $T/copyNginxProdConfig
+source $T/restartNginx