Nginx Simple Config for Fullstack App (with https)

nginx.conf

upstream api {
        server localhost:8080;
}

upstream frontend {
        server localhost:3000;
}

server {
        listen 80;
        server_name <your-domain-name>;
        return 301 https://$server_name$request_uri;
}

server {
        listen 443 ssl;

        server_name <your-domain-name>;

        error_log /var/log/nginx/error.log;
        access_log /var/log/nginx/access.log;

        include snippets/well-known.conf;

        ssl_certificate /etc/letsencrypt/live/<your-domain-name>/fullchain.pem;
        ssl_certificate_key /etc/letsencrypt/live/<your-domain-name>/privkey.pem;
        ssl_trusted_certificate /etc/letsencrypt/live/<your-domain-name>/chain.pem;
        ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;

        location / {
                proxy_pass http://frontend;
        }

        location /api {
                rewrite ^/api/(.*)$ /$1 break;
                proxy_pass http://api;
        }
}