Nginx Config Generator

# Generated with TLKS Nginx Config Generator.
# Save as /etc/nginx/sites-available/tlks.io and enable it with a symlink in sites-enabled/.
# Validate with: nginx -t && systemctl reload nginx

# Redirect the www host to the canonical host.
server {
    listen 80;
    listen [::]:80;
    server_name www.tlks.io;
    return 301 https://tlks.io$request_uri;
}

# Redirect plain HTTP to HTTPS.
server {
    listen 80;
    listen [::]:80;
    server_name tlks.io www.tlks.io;
    return 301 https://$host$request_uri;
}

# Main server block.
server {
    listen 443 ssl;
    listen [::]:443 ssl;
    http2 on;

    ssl_certificate /etc/letsencrypt/live/tlks.io/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/tlks.io/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers off;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 1d;
    server_name tlks.io www.tlks.io;

    client_max_body_size 10m;

    gzip on;
    gzip_vary on;
    gzip_comp_level 5;
    gzip_min_length 1024;
    gzip_types text/plain text/css text/xml application/json application/javascript image/svg+xml;

    # Do not leak the Nginx version in responses and headers.
    server_tokens off;

    # Required for websockets: both headers must be forwarded together.
    map $http_upgrade $connection_upgrade {
        default upgrade;
        '' close;
    }

    location / {
        proxy_pass http://127.0.0.1:3000;
        proxy_http_version 1.1;
        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;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_read_timeout 60s;
        proxy_buffering off;
    }

    location ~* \.(?:css|js|woff2?|svg|png|jpg|jpeg|webp|avif|ico)$ {
        proxy_pass http://127.0.0.1:3000;
        proxy_set_header Host $host;
        expires 30d;
        add_header Cache-Control "public";
        access_log off;
    }

    location = /healthz {
        access_log off;
        return 200 'ok';
        add_header Content-Type text/plain;
    }

    # Deny access to dotfiles such as .git and .env.
    location ~ /\. {
        deny all;
    }
}