Try It Yourself - SyntaxStudy Editor

HTML / CSS / JS

# /etc/nginx/sites-available/myapp
server {
    listen 80;
    server_name example.com www.example.com;
    # Redirect all HTTP to HTTPS
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    server_name example.com www.example.com;

ssl_certificate     /etc/letsencrypt/live/example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
    ssl_protocols       TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;
    add_header Strict-Transport-Security "max-age=31536000" always;

# Static assets served by Nginx (fast)
    location /static/ {
        root /var/www/myapp/public;
        expires 1d;
    }

# All other requests proxied to Express
    location / {
        proxy_pass         http://127.0.0.1:3000;
        proxy_http_version 1.1;
        proxy_set_header   Upgrade $http_upgrade;
        proxy_set_header   Connection keep-alive;
        proxy_set_header   Host $host;
        proxy_set_header   X-Forwarded-For $remote_addr;
        proxy_set_header   X-Forwarded-Proto $scheme;
        proxy_cache_bypass $http_upgrade;
    }
}

# Express: trust first proxy
# app.set('trust proxy', 1);
# certbot --nginx -d example.com -d www.example.com