Deployment monitoring and recovery tooling

deploy/nginx.conf.example

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+# Example for nginx on the SAME host as loopback-bound node :3201.
+# Not installed by this repository. Replace host/cert paths and validate real topology.
+# Node: WIKIDECK_TRUSTED_PROXIES=127.0.0.1,::1 (never use this for a container bridge without adjustment).
+limit_req_zone $binary_remote_addr zone=wikideck_ip:10m rate=5r/s;
+limit_conn_zone $binary_remote_addr zone=wikideck_conn:10m;
+
+server {
+    listen 80;
+    server_name wikideck.example.invalid;
+    return 308 https://$host$request_uri;
+}
+server {
+    listen 443 ssl;
+    server_name wikideck.example.invalid;
+    ssl_certificate /etc/ssl/wikideck/fullchain.pem;
+    ssl_certificate_key /etc/ssl/wikideck/private.key;
+    ssl_protocols TLSv1.2 TLSv1.3;
+    server_tokens off;
+    client_max_body_size 68k;
+    client_body_timeout 15s;
+    client_header_timeout 10s;
+    keepalive_timeout 10s;
+    send_timeout 30s;
+    limit_conn wikideck_conn 16;
+    limit_req_status 429;
+    # Do not proxy private operations listener. Its port must never be publicly published.
+    location / {
+        limit_req zone=wikideck_ip burst=20 nodelay;
+        proxy_pass http://127.0.0.1:3201;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        # Overwrite, do NOT append an untrusted client-supplied X-Forwarded-For chain.
+        proxy_set_header X-Forwarded-For $remote_addr;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header Forwarded "";
+        proxy_set_header Connection "";
+        proxy_connect_timeout 5s;
+        proxy_send_timeout 15s;
+        proxy_read_timeout 30s;
+    }
+}