location / {
        # if you do not want remote frontends to be able to access your Pleroma backend
        # server, remove these lines.
        add_header 'Access-Control-Allow-Origin' '*' always;
        add_header 'Access-Control-Allow-Methods' 'POST, PUT, DELETE, GET, PATCH, OPTIONS' always;
        add_header 'Access-Control-Allow-Headers' 'Authorization, Content-Type, Idempotency-Key' always;
        add_header 'Access-Control-Expose-Headers' 'Link, X-RateLimit-Reset, X-RateLimit-Limit, X-RateLimit-Remaining, X-Request-Id' always;
        if ($request_method = OPTIONS) {
            return 204;
        }
        # stop removing lines here.

        add_header X-XSS-Protection "1; mode=block" always;
        add_header X-Permitted-Cross-Domain-Policies "none" always;
        add_header X-Frame-Options "DENY" always;
        add_header X-Content-Type-Options "nosniff" always;
        add_header Referrer-Policy "same-origin" always;
        add_header X-Download-Options "noopen" always;
        add_header Content-Security-Policy "default-src 'none'; base-uri 'self'; form-action *; frame-ancestors 'none'; img-src 'self' data: https:; media-src 'self' https:; style-src 'self' 'unsafe-inline'; font-src 'self'; script-src 'self'; connect-src 'self' wss://__DOMAIN__; upgrade-insecure-requests;" always;
        
        # Uncomment this only after you get HTTPS working.
        # add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Host $http_host;

        proxy_pass http://localhost:__PORT__;

        client_max_body_size 16m;
    }