fix nginx conf to serve subdomains with www and api as well as acme challenge

Author: andrew-s28

nginx/nginx.conf

@@ -15,7 +15,7 @@ server {
     listen 80;
     listen [::]:80;
 
-    server_name sourcedepth.com 146.190.0.147;
+    server_name sourcedepth.com www.sourcedepth.com 146.190.0.147;
     server_tokens off;
 
     if ($host = 146.190.0.147) {
@@ -78,6 +78,10 @@ server {
     server_name api.sourcedepth.com;
     server_tokens off;
 
+    location /.well-known/acme-challenge/ {
+        root /var/www/certbot;
+    }
+
     location / {
         return 301 https://api.sourcedepth.com$request_uri;
     }