Make NGINX only resolve IPv4

roles/apps/defaults/main.yml

@@ -27,7 +27,7 @@ apps_vars:
     extra_tasks: true
     domain: ipfs.{{ apps_local_domain }}
     gateway_domain: ipfs-gateway.{{ apps_base_domain }}
-    version: v0.23.0
+    version: v0.25.0
 
   monerod:
     backup: false

roles/apps/templates/nginx/conf.d/http.conf.j2

@@ -5,6 +5,8 @@ set_real_ip_from {{ proxy_host }};
 real_ip_header X-Forwarded-For;
 real_ip_recursive on;
 
+resolver 127.0.0.11 valid=30s ipv6=off;
+
 map $http_upgrade $connection_upgrade {  
     default upgrade;
     ''      close;

roles/apps/templates/nginx/conf.d/ipfs.conf.j2

@@ -6,7 +6,6 @@ server {
     server_name {{ apps_vars.ipfs.domain }};
 
     location / {
-        resolver 127.0.0.11 valid=30s;
         set $upstream http://ipfs:5001;
         proxy_pass $upstream;
 
@@ -21,7 +20,6 @@ server {
     server_name ~^([\w-]+\.(ipfs|ipns)\.)?{{ apps_vars.ipfs.gateway_domain }}$;
 
     location / {
-        resolver 127.0.0.11 valid=30s;
         set $upstream http://ipfs:8080;
         proxy_pass $upstream;
 

roles/apps/templates/nginx/conf.d/monerod.conf.j2

@@ -6,7 +6,6 @@ server {
     server_name {{ apps_vars.monerod.domain }};
 
     location / {
-        resolver 127.0.0.11 valid=30s;
         set $upstream http://monerod:18089;
         proxy_pass $upstream;
 

roles/apps/templates/nginx/conf.d/nextcloud.conf.j2

@@ -6,7 +6,6 @@ server {
     server_name {{ apps_vars.nextcloud.domain }};
 
     location / {
-        resolver 127.0.0.11 valid=30s;        
         set $upstream http://nextcloud:80;
         proxy_pass $upstream;