fx-file-server/nginx/default.conf

server {
    listen       80;
    server_name  _;

    root   /usr/share/nginx/html;
    index  index.html;

    location = /oo-preview.html {
        if_modified_since off;
        etag off;
        add_header Cache-Control "no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0" always;
        add_header Pragma "no-cache" always;
        add_header Expires "0" always;
    }

    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff2?|ttf|eot)$ {
        expires 30d;
        add_header Cache-Control "public, immutable";
    }

    location /pdfs/ {
        alias /data/pdfs/;
        add_header Content-Disposition "inline";
        add_header X-Content-Type-Options "nosniff";
        add_header Cache-Control "no-store";
    }

    location /excels/ {
        alias /data/excels/;
        add_header X-Frame-Options "SAMEORIGIN";
        add_header Cache-Control "no-store";
    }

    location /words/ {
        alias /data/words/;
        add_header X-Frame-Options "SAMEORIGIN";
        add_header Cache-Control "no-store";
    }

    location /raw/excels/ {
        alias /data/raw_excels/;
        add_header Cache-Control "no-store";
    }

    location /raw/words/ {
        alias /data/raw_words/;
        add_header Cache-Control "no-store";
    }


    location /raw/files/ {
        alias /data/uploads/;
        add_header Cache-Control "no-store";
    }

    location = /onlyoffice-callback {
        default_type application/json;
        add_header Cache-Control "no-store" always;
        return 200 '{"error":0}';
    }

    location ^~ /onlyoffice/ {
        proxy_pass http://onlyoffice:80/;
        proxy_http_version 1.1;
        proxy_set_header Host $http_host;
        proxy_set_header X-Forwarded-Host $http_host;
        proxy_set_header X-Forwarded-Port $server_port;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header X-Real-IP $remote_addr;
        proxy_read_timeout 3600;
        proxy_send_timeout 3600;
        proxy_buffering off;
    }

    location ^~ /cache/ {
        proxy_pass http://onlyoffice:80/cache/;
        proxy_http_version 1.1;
        proxy_set_header Host $http_host;
        proxy_set_header X-Forwarded-Host $http_host;
        proxy_set_header X-Forwarded-Port $server_port;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_read_timeout 3600;
        proxy_send_timeout 3600;
        proxy_buffering off;
    }

    location / {
        try_files $uri $uri/ $uri.html =404;
    }

    error_page 404 /404.html;
}