Update server port in .env.example and add nginx configuration for portal.monacousa.org

.env.example

@@ -1,5 +1,5 @@
 # Server Configuration
-NUXT_PORT=3001
+NUXT_PORT=6060
 NUXT_HOST=0.0.0.0
 
 # Keycloak Configuration

nginx-portal.conf

@@ -0,0 +1,41 @@
+server {
+    listen 80;
+    server_name portal.monacousa.org;
+
+    location / {
+        return 301 https://$host$request_uri;
+    }
+
+    location ^~ /.well-known/acme-challenge/ {
+        alias /var/www/html/.well-known/acme-challenge/;
+        default_type "text/plain";
+        allow all;
+    }
+}
+
+server {
+    listen 443 ssl;
+    server_name portal.monacousa.org;
+
+    ssl_certificate     /etc/letsencrypt/live/portal.monacousa.org/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/portal.monacousa.org/privkey.pem;
+
+    access_log /var/log/nginx/portal.monacousa.org.access.log combined;
+    error_log /var/log/nginx/portal.monacousa.org.error.log warn;
+
+    location / {
+        proxy_pass http://127.0.0.1:6060;
+        proxy_http_version 1.1;
+        proxy_set_header Connection "close";
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+
+    location ^~ /.well-known/acme-challenge/ {
+        alias /var/www/html/.well-known/acme-challenge/;
+        default_type "text/plain";
+        allow all;
+    }
+}