My personal nginx configuration for sharing files

ludi-nginx.conf

user www-data;
worker_processes auto;
pid /run/nginx.pid;
include /etc/nginx/modules-enabled/*.conf;

events {
        worker_connections 768;
        # multi_accept on;

        # Mine. Probably not necessary but why not
        use epoll;
}

http {
        ##
        # Basic Settings
        ##

        sendfile on;
        tcp_nopush on;
        tcp_nodelay on;
        keepalive_timeout 65;
        types_hash_max_size 2048;
        # server_tokens off;

        # server_names_hash_bucket_size 64;
        # server_name_in_redirect off;

        include /etc/nginx/mime.types;
        default_type application/octet-stream;

        ##
        # SSL Settings
        ##

        ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
        ssl_prefer_server_ciphers on;

        ##
        # Logging Settings
        ##

        access_log /var/log/nginx/access.log;
        error_log /var/log/nginx/error.log;

        ##
        # Gzip Settings
        ##

        gzip on;

        # gzip_vary on;
        # gzip_proxied any;
        # gzip_comp_level 6;
        # gzip_buffers 16 8k;
        # gzip_http_version 1.1;
        # gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

        ##
        # Virtual Host Configs
        ##

        include /etc/nginx/conf.d/*.conf;
        include /etc/nginx/sites-enabled/*;

        #############################################################################
        # My customizations below here.
        #############################################################################

        # O_DIRECT for large files (no kernel level caching)
        directio 10m;

        # Ratelimiting
        limit_conn_zone $binary_remote_addr zone=conn_limit_per_ip:10m;
        limit_req_zone $binary_remote_addr zone=req_limit_per_ip:10m rate=5r/s;

        # Redirect to secure
        server {
                listen 80 default_server;
                return 301 https://$host$request_uri;
        }

        # Main secure server config
        server {
                listen 443 ssl http2;
                root /var/www;

                limit_conn conn_limit_per_ip 10;
                limit_req zone=req_limit_per_ip burst=10 nodelay;

                # SSL (generated by ssl-config.mozilla.org at intermediate)
                server_name ludi.brian-gordon.net;
                ssl_certificate /etc/letsencrypt/live/ludi.brian-gordon.net/fullchain.pem;
                ssl_certificate_key /etc/letsencrypt/live/ludi.brian-gordon.net/privkey.pem;
                ssl_session_timeout 1d;
                ssl_session_cache shared:MozSSL:10m;  # about 40000 sessions
                ssl_session_tickets off;
                ssl_dhparam /etc/nginx/dhparam;
                ssl_protocols TLSv1.2 TLSv1.3;
                ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
                ssl_prefer_server_ciphers off;
                gzip off; #  See http://breachattack.com/
                #add_header Strict-Transport-Security "max-age=63072000" always;

                # Flood
                location /flood/api {
                        proxy_pass http://127.0.0.1:3000;
                        proxy_buffering off;
                        proxy_cache off;
                        include /etc/nginx/auth.conf;
                }

                location /flood/ {
                        alias /usr/lib/node_modules/flood/dist/assets/;
                        try_files $uri /flood/index.html;
                        include /etc/nginx/auth.conf;
                }

                location /flood {
                        return 301 /flood/;
                }

                location /files {
                        return 301 /files/;
                }

                location /files/ {

                }

                location /favicon.ico {

                }

                location / {
                        return 403;
                }
        }
}

nginx.conf

# Copyright 2020 Google LLC.
# SPDX-License-Identifier: Apache-2.0

worker_processes 4;

events {
        use epoll;
}

http {
        sendfile on;
        aio on;
        directio 4m;
        tcp_nodelay on;
        tcp_nopush on;

        limit_conn_zone $binary_remote_addr zone=conn_limit_per_ip:10m;
        limit_req_zone $binary_remote_addr zone=req_limit_per_ip:10m rate=5r/s;

        include /etc/nginx/mime.types;
        default_type application/octet-stream;

        # Signal to the CDN that the content can be cached forever.
        expires max;

        # External view for serving files, proxied through cloudflare
        server {
                listen 8080;
                root /www/data;

                limit_conn conn_limit_per_ip 10;
                limit_req zone=req_limit_per_ip burst=10 nodelay;

                location / {
                }
        }

        # Internal view for listing files, only available inside the network
        server {
                listen 8088;
                root /www/data;

                # Print listings for directories (and subdirectories)
                location ~ /$ {
                        autoindex on;
                }

                # Redirect everything else to cloudflare
                location / {
                        return 301 https://files.brian-gordon.net$request_uri;
                }
        }
}