mailcow-dockerized/data/assets/nextcloud/nextcloud.conf

map $http_x_forwarded_proto $client_req_scheme_nc {
     default $scheme;
     https https;
}

server {
  include /etc/nginx/conf.d/listen_ssl.active;
  include /etc/nginx/conf.d/listen_plain.active;
  include /etc/nginx/mime.types;
  charset utf-8;
  override_charset on;

  ssl_certificate /etc/ssl/mail/cert.pem;
  ssl_certificate_key /etc/ssl/mail/key.pem;
  ssl_protocols TLSv1.2 TLSv1.3;
  ssl_prefer_server_ciphers on;
  ssl_ciphers ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305;
  ssl_ecdh_curve X25519:X448:secp384r1:secp256k1;
  ssl_session_cache shared:SSL:50m;
  ssl_session_timeout 1d;
  ssl_session_tickets off;
  add_header Referrer-Policy "no-referrer" always;
  add_header X-Content-Type-Options "nosniff" always;
  add_header X-Download-Options "noopen" always;
  add_header X-Frame-Options "SAMEORIGIN" always;
  add_header X-Permitted-Cross-Domain-Policies "none" always;
  add_header X-Robots-Tag "none" always;
  add_header X-XSS-Protection "1; mode=block" always;

  fastcgi_hide_header X-Powered-By;

  server_name NC_SUBD;

  root /web/nextcloud/;

  location = /robots.txt {
    allow all;
    log_not_found off;
    access_log off;
  }

  location = /.well-known/carddav {
    return 301 $client_req_scheme_nc://$host/remote.php/dav;
  }

  location = /.well-known/caldav {
    return 301 $client_req_scheme_nc://$host/remote.php/dav;
  }

  location ^~ /.well-known/acme-challenge/ {
    default_type "text/plain";
    root /web;
  }

  fastcgi_buffers 64 4K;

  gzip on;
  gzip_vary on;
  gzip_comp_level 4;
  gzip_min_length 256;
  gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;
  gzip_types application/atom+xml application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy;
  set_real_ip_from fc00::/7;
  set_real_ip_from 10.0.0.0/8;
  set_real_ip_from 172.16.0.0/12;
  set_real_ip_from 192.168.0.0/16;
  real_ip_header X-Forwarded-For;
  real_ip_recursive on;

  location / {
    rewrite ^ /index.php$uri;
  }

  location ~ ^\/(?:build|tests|config|lib|3rdparty|templates|data)\/ {
    deny all;
  }
  location ~ ^\/(?:\.|autotest|occ|issue|indie|db_|console) {
    deny all;
  }

  location ~ ^\/(?:index|remote|public|cron|core\/ajax\/update|status|ocs\/v[12]|updater\/.+|oc[ms]-provider\/.+)\.php(?:$|\/) {
    fastcgi_split_path_info ^(.+?\.php)(\/.*|)$;
    set $path_info $fastcgi_path_info;
    try_files $fastcgi_script_name =404;
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    fastcgi_param PATH_INFO $path_info;
    fastcgi_param HTTPS on;
    # Avoid sending the security headers twice
    fastcgi_param modHeadersAvailable true;
    # Enable pretty urls
    fastcgi_param front_controller_active true;
    fastcgi_pass phpfpm:9002;
    fastcgi_intercept_errors on;
    fastcgi_request_buffering off;
    client_max_body_size 0;
    fastcgi_read_timeout 1200;
  }

  location ~ ^\/(?:updater|oc[ms]-provider)(?:$|\/) {
    try_files $uri/ =404;
    index index.php;
  }

  location ~ \.(?:css|js|woff2?|svg|gif|map)$ {
    try_files $uri /index.php$request_uri;
    add_header Cache-Control "public, max-age=15778463";
    add_header Referrer-Policy "no-referrer" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Download-Options "noopen" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Permitted-Cross-Domain-Policies "none" always;
    add_header X-Robots-Tag "none" always;
    add_header X-XSS-Protection "1; mode=block" always;
    access_log off;
  }

  location ~ \.(?:png|html|ttf|ico|jpg|jpeg|bcmap)$ {
    try_files $uri /index.php$request_uri;
    access_log off;
  }
}