Add production var

netlify.toml

@@ -9,6 +9,9 @@
 [context.next]
   environment = { BASE_URL = "https://next.esphome.io" }
 
+[context.production]
+  environment = { BASE_URL = "https://esphome.io", PRODUCTION = "YES" }
+
 # A basic redirect rule
 [[redirects]]
   from = "/esphomeyaml/*"

sitemap.py

@@ -39,6 +39,6 @@ def create_sitemap(app, exception):
                                encoding='utf-8',
                                method="xml")
 
-    if app.builder.config.html_baseurl != 'https://esphome.io':
+    if os.getenv('PRODUCTION') != 'YES':
         with open(os.path.join(app.builder.outdir, 'robots.txt'), 'wt') as f:
             f.write('User-agent: *\nDisallow: /\n')