reverse-proxy.conf

# Example configuration for a www-subdomain

# Redirect www http traffic to www https

server{
    listen 80;
    server_name www.YOURSITEDOMAIN.com;
    return 301 https://www.YOURSITEDOMAIN.com$request_uri;
}

# Redirect non-www http traffic to www https

server {
    listen 80;
    server_name YOURSITEDOMAIN.com;
    return 301 https://www.YOURSITEDOMAIN.com$request_uri;
}

# Redirect non-www https traffic to www https

server {
    listen 443;
    server_name YOURSITEDOMAIN.com;
    return 301 https://www.YOURSITEDOMAIN.com$request_uri;

    # SSL configuration

    ssl_certificate           /etc/letsencrypt/live/YOURSITEDOMAIN.com/fullchain.pem;
    ssl_certificate_key       /etc/letsencrypt/live/YOURSITEDOMAIN.com/privkey.pem;
    ssl on;
    ssl_session_cache  builtin:1000  shared:SSL:10m;
    ssl_protocols  TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4;
    ssl_prefer_server_ciphers on;
}

# Main server block for www https

server {

    listen 443;
    server_name www.YOURSITEDOMAIN.com;

    # SSL configuration

    ssl_certificate           /etc/letsencrypt/live/YOURSITEDOMAIN.com/fullchain.pem;
    ssl_certificate_key       /etc/letsencrypt/live/YOURSITEDOMAIN.com/privkey.pem;
    ssl on;
    ssl_session_cache  builtin:1000  shared:SSL:10m;
    ssl_protocols  TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4;
    ssl_prefer_server_ciphers on;

    # Set the access log location

    access_log            /var/log/nginx/YOURSITEDOMAIN.access.log;

    location / {

      # Set the proxy headers

      proxy_set_header        Host $host;
      proxy_set_header        X-Real-IP $remote_addr;
      proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header        X-Forwarded-Proto $scheme;

      # Configure which address the request is proxied to

      proxy_pass          http://YOURSERVER:YOURPORT;
      proxy_read_timeout  90;
      proxy_redirect      http://YOURSERVER:YOURPORT https://www.YOURSITEDOMAIN.com;

      # Set the security headers

      add_header Permissions-Policy "interest-cohort=()"; # Don't allow Google FLoC
      add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"; #HSTS
      add_header X-Frame-Options DENY; #Prevents clickjacking
      add_header X-Content-Type-Options nosniff; #Prevents mime sniffing
      add_header X-XSS-Protection "1; mode=block"; #Prevents cross-site scripting attacks
      add_header Referrer-Policy "origin"; #Idk what this actually does

      # Rewrite all URI's so they have a trailing slash

      rewrite ^([^.]*[^/])$ $1/ permanent;
    }
  }