✨ Allow SSL Email to be provided, skip prompts

refs TryGhost#194

- If --sslemail is provided, use that instead of prompting
- Makes it easier to call ghost programmatically

lib/commands/config/advanced.js

@@ -83,6 +83,10 @@ module.exports = [{
     name: 'dbname',
     description: 'Database name',
     configPath: 'database.connection.database'
+}, {
+    name: 'sslemail',
+    description: 'SSL email address',
+    configPath: 'ssl.email'
 }, {
     name: 'auth',
     description: 'Type of authentication to use',

lib/services/nginx/index.js

@@ -72,10 +72,20 @@ class NginxService extends BaseService {
             });
         }
 
-        let answers;
         let ghostExec = process.argv.slice(0,2).join(' ');
+        let answerPromise;
+        let answers;
+
+        if (this.config.values.ssl && this.config.values.ssl.email) {
+            answerPromise = Promise.resolve({
+                ssl: true,
+                email: this.config.values.ssl.email
+            });
+        } else {
+            answerPromise = this.ui.prompt(prompts);
+        }
 
-        return this.ui.prompt(prompts).then((_answers) => {
+        return answerPromise.then((_answers) => {
             answers = _answers;
 
             return this.ui.noSpin(execa.shell(`sudo ${ghostExec} service nginx-conf${!answers.ssl ? ' no-ssl' : ''}`, {stdio: 'inherit'})).catch((error) => {
@@ -163,7 +173,6 @@ class NginxService extends BaseService {
             // add listen directives
             https._add('listen', '443 ssl http2');
             https._add('listen', '[::]:443 ssl http2');
-            https._add('server_name', this.parsedUrl.hostname);
             // add ssl cert directives
             https._add('ssl_certificate', `/etc/letsencrypt/live/${this.parsedUrl.hostname}/fullchain.pem`);
             https._add('ssl_certificate_key', `/etc/letsencrypt/live/${this.parsedUrl.hostname}/privkey.pem`);