Mastodon docker nginx

mastodon.conf

map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name example.com;

    ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem; # managed by Certbot
#    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
#    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
#    include snippets/global.conf;
    include snippets/ciphers.conf;
    client_max_body_size 0;

    location / {
        try_files $uri @proxy;
    }

    location ~ ^/(emoji|packs|system/accounts/avatars|system/media_attachments/files) {
        add_header Cache-Control "public, max-age=31536000, immutable";
        try_files $uri @proxy;
    }

    location /sw.js {
        add_header Cache-Control "public, max-age=0";
        try_files $uri @proxy;
    }

    location @proxy {
        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 https;
        proxy_set_header Proxy "";
        proxy_pass_header Server;
        # Avoid 504 HTTP Timeout Errors
        proxy_connect_timeout       605;
        proxy_send_timeout          605;
        proxy_read_timeout          605;
        send_timeout                605;
        keepalive_timeout           605;

        proxy_pass http://127.0.0.1:3000;
        proxy_buffering off;
        proxy_redirect off;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;

        tcp_nodelay on;
    }

    location /api/v1/streaming {
        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 https;
        proxy_set_header Proxy "";

        proxy_pass http://127.0.0.1:4000;
        proxy_buffering off;
        proxy_redirect off;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;

        tcp_nodelay on;
    }

    error_page 500 501 502 503 504 /500.html;
}

server {
    listen 80;
    listen [::]:80;
    server_name example.com;
    return 301 https://$host$request_uri;
}