NGINXproxy.md

+/etc/nginx/sites-available/keycloak    
+
+```
+## keycloak reverse proxy
+
+# Upstream reverse proxy port
+upstream keycloak {
+    server heu16:8080;
+}
+
+# HTTPS Server
+server {
+    listen 4438;
+    server_name id.fairkom.net;
+
+    error_log /var/log/nginx/keycloak.access.log;
+
+    ssl on;
+    ssl_certificate /etc/letsencrypt/live/chat.fairkom.net-0001/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/chat.fairkom.net-0001/privkey.pem;
+    ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # don’t use SSLv3 ref: POODLE
+
+    location / {
+        proxy_pass http://keycloak;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        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;
+#       proxy_set_header X-Nginx-Proxy true;
+
+#        proxy_redirect off;
+    }
+}
+```
+
+
+In order to manage long headers we need to extend the buffer size in    /etc/nginx/conf.d/proxybuffer.conf
+
+```
+proxy_buffer_size 128k;
+proxy_buffers 4 256k;
+proxy_busy_buffers_size 256k; 
+```
+