Add 502 page for ingress

ingress/nginx-config/nginx.conf

@@ -0,0 +1,70 @@
+user  nginx;
+worker_processes  auto;
+
+error_log  /var/log/nginx/error.log warn;
+pid        /var/run/nginx.pid;
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    keepalive_timeout  65;
+
+    server {
+        listen 80;
+        server_name decla.red;
+        server_tokens off;
+
+        location /.well-known/acme-challenge/ {
+            root /var/www/certbot;
+        }
+
+        location / {
+            return 301 https://$host$request_uri;
+        }
+    }
+
+    server {
+        listen 443 ssl;
+        server_name decla.red;
+        server_tokens off;
+
+        add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
+
+        ssl_certificate /etc/letsencrypt/live/decla.red/fullchain.pem;
+        ssl_certificate_key /etc/letsencrypt/live/decla.red/privkey.pem;
+        include /etc/letsencrypt/options-ssl-nginx.conf;
+        ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
+
+        location ~ ^/(502).html$ {
+            root /usr/share/nginx/html/errors;
+            internal;
+        }
+        
+        location / {
+            proxy_pass  http://frontend;
+            proxy_set_header    Host                $http_host;
+            proxy_set_header    X-Real-IP           $remote_addr;
+            proxy_set_header    X-Forwarded-For     $proxy_add_x_forwarded_for;
+        }
+
+        location /bad {
+            proxy_pass  http://backend;
+            proxy_set_header    Host                $http_host;
+            proxy_set_header    X-Real-IP           $remote_addr;
+            proxy_set_header    X-Forwarded-For     $proxy_add_x_forwarded_for;
+        }
+
+        error_page 502 /502.html;
+    }
+}