Nginx Config for JS Family (Nuxt, Angular, Next, Express)

letsencrypt.conf

location ^~ /.well-known/acme-challenge/ {
	default_type "text/plain";
	root /var/www/letsencrypt;
}

proxy.conf

proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-NginX-Proxy true;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Host $http_host;
proxy_cache_bypass $http_upgrade;
proxy_redirect off;

site.conf

server {
    listen 80;
    listen [::]:80;

    server_name domain.com;

    include /etc/nginx/snippets/letsencrypt.conf;

    # Redirect http://domain.com to https://domain.com
    location / {
        return 301 https://domain.com$request_uri;
    }
}

server {
    listen 80;
    listen [::]:80;

    server_name www.domain.com;

    include /etc/nginx/snippets/letsencrypt.conf;

    # Redirect http://www.domain.com to https://www.domain.com
    location / {
        return 301 https://www.domain.com$request_uri;
    }
}

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

    server_name domain.com;

    ssl on;
    ssl_certificate /etc/letsencrypt/live/domain.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/domain.com/privkey.pem;
    ssl_trusted_certificate /etc/letsencrypt/live/domain.com/fullchain.pem;

    include /etc/nginx/snippets/ssl.conf;

    # Redirect https://domain.com to https://www.domain.com
    location / {
        return 301 https://www.domain.com$request_uri;
    }
}

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

    server_name www.domain.com;

    ssl on;
    ssl_certificate /etc/letsencrypt/live/domain.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/domain.com/privkey.pem;
    ssl_trusted_certificate /etc/letsencrypt/live/domain.com/fullchain.pem;

    include /etc/nginx/snippets/ssl.conf;

    location / {
        proxy_pass http://localhost:5001;
        include /etc/nginx/snippets/proxy.conf;
    }

    location /socket.io {
		proxy_pass http://localhost:5002;
		proxy_http_version 1.1;
		proxy_set_header Upgrade $http_upgrade;
		proxy_set_header Connection "Upgrade";
	}
}

ssl.conf

ssl_session_timeout  1d;
ssl_session_cache    shared:SSL:50m;
ssl_session_tickets  off;

ssl_protocols              TLSv1 TLSv1.1 TLSv1.2;
ssl_prefer_server_ciphers  on;
ssl_dhparam                /etc/ssl/certs/dhparam.pem;
ssl_ciphers 'ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS';

# OCSP Stapling ---
# fetch OCSP records from URL in ssl_certificate and cache them
ssl_stapling         on;
ssl_stapling_verify  on;

add_header Strict-Transport-Security "max-age=15768000; includeSubdomains; preload";
add_header X-Frame-Options DENY;
add_header X-Content-Type-Options nosniff;