diff --git a/conf/nginx.conf b/conf/nginx.conf
index c46b37c..4b3a779 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,19 +1,94 @@
-#sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
-location __PATH__/ {
-
-  proxy_pass http://127.0.0.1:__PORT__;
-  proxy_redirect    off;
-  proxy_set_header  Host $host;
-  proxy_set_header  X-Real-IP $remote_addr;
-  proxy_set_header  X-Forwarded-Proto $scheme;
-  proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
-  proxy_set_header  X-Forwarded-Host $server_name;
-
-  proxy_http_version 1.1;
-  proxy_set_header Upgrade $http_upgrade;
-  proxy_set_header Connection "upgrade";
-
-  # Include SSOWAT user panel.
-  include conf.d/yunohost_panel.conf.inc;
-  more_clear_input_headers 'Accept-Encoding';
+set $main_domain "__DOMAIN__";
+set $sandbox_domain "sandbox-__DOMAIN__";
+set $allowed_origins "https://${sandbox_domain}";
+set $api_domain "api.__DOMAIN__";
+set $files_domain "files.__DOMAIN__";
+ssl_ecdh_curve secp384r1;
+add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
+add_header X-XSS-Protection "1; mode=block";
+add_header X-Content-Type-Options nosniff;
+add_header Access-Control-Allow-Origin "${allowed_origins}";
+add_header Cross-Origin-Resource-Policy cross-origin;
+add_header Cross-Origin-Embedder-Policy require-corp;
+root /var/www/cryptpad;
+index index.html;
+error_page 404 /customize.dist/404.html;
+if ($uri ~ ^(\/|.*\/|.*\.html)$) {
+    set $cacheControl no-cache;
 }
+if ($args ~ ver=) {
+    set $cacheControl max-age=31536000;
+}
+add_header Cache-Control $cacheControl;
+set $styleSrc   "'unsafe-inline' 'self' https://${main_domain}";
+set $connectSrc "'self' https://${main_domain} blob: wss://${api_domain} https://${sandbox_domain}";
+set $fontSrc    "'self' data: https://${main_domain}";
+set $imgSrc     "'self' data: blob: https://${main_domain}";
+set $frameSrc   "'self' https://${sandbox_domain} blob:";
+set $mediaSrc   "blob:";
+set $childSrc   "https://${main_domain}";
+set $workerSrc  "'self'";
+set $scriptSrc  "'self' resource: https://${main_domain}";
+set $frameAncestors "'self' https://${main_domain}";
+set $unsafe 0;
+if ($uri ~ ^\/(sheet|doc|presentation)\/inner.html.*$) { set $unsafe 1; }
+if ($uri ~ ^\/common\/onlyoffice\/.*\/.*\.html.*$) { set $unsafe 1; }
+if ($host != $sandbox_domain) { set $unsafe 0; }
+if ($uri ~ ^\/unsafeiframe\/inner\.html.*$) { set $unsafe 1; }
+if ($unsafe) {
+    set $scriptSrc "'self' 'unsafe-eval' 'unsafe-inline' resource: https://${main_domain}";
+}
+add_header Content-Security-Policy "default-src 'none'; child-src $childSrc; worker-src $workerSrc; media-src $mediaSrc; style-src $styleSrc; script-src $scriptSrc; connect-src $connectSrc; font-src $fontSrc; img-src $imgSrc; frame-src $frameSrc; frame-ancestors $frameAncestors";
+location ^~ /cryptpad_websocket {
+    proxy_pass http://localhost:3000;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header Host $host;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_http_version 1.1;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection upgrade;
+}
+location ^~ /customize.dist/ {
+    # This is needed in order to prevent infinite recursion between /customize/ and the root
+}
+location ^~ /customize/ {
+    rewrite ^/customize/(.*)$ $1 break;
+    try_files /customize/$uri /customize.dist/$uri;
+}
+location ~ ^/api/.*$ {
+    proxy_pass http://localhost:3000;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header Host $host;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_hide_header Cross-Origin-Resource-Policy;
+    add_header Cross-Origin-Resource-Policy cross-origin;
+    proxy_hide_header Cross-Origin-Embedder-Policy;
+    add_header Cross-Origin-Embedder-Policy require-corp;
+}
+location ^~ /blob/ {
+    if ($request_method = 'OPTIONS') {
+        add_header 'Access-Control-Allow-Origin' "${allowed_origins}";
+        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
+        add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range';
+        add_header 'Access-Control-Max-Age' 1728000;
+        add_header 'Content-Type' 'application/octet-stream; charset=utf-8';
+        add_header 'Content-Length' 0;
+        return 204;
+    }
+    add_header X-Content-Type-Options nosniff;
+    add_header Cache-Control max-age=31536000;
+    add_header 'Access-Control-Allow-Origin' "${allowed_origins}";
+    add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
+    add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Content-Length';
+    add_header 'Access-Control-Expose-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Content-Length';
+    try_files $uri =404;
+}
+location ^~ /block/ {
+    add_header X-Content-Type-Options nosniff;
+    add_header Cache-Control max-age=0;
+    try_files $uri =404;
+}
+location ~ ^/(register|login|settings|user|pad|drive|poll|slide|code|whiteboard|file|media|profile|contacts|todo|filepicker|debug|kanban|sheet|support|admin|notifications|teams|calendar|presentation|doc|form|report|convert|checkup)$ {
+    rewrite ^(.*)$ $1/ redirect;
+}
+try_files /customize/www/$uri /customize/www/$uri/index.html /www/$uri /www/$uri/index.html /customize/$uri;