.NET/Angular NGINX with SSL via Certbot

example.com

upstream example_site {
    server 127.0.0.1:4000;
}

upstream example_api {
    server 127.0.0.1:5000;
}

server {
    root /var/www/example.com/dist/example/browser;
    index index.html;

    server_name shaneduffy.io www.shaneduffy.io;

    location / {
        proxy_pass http://example_site;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_http_version 1.1;
        proxy_set_header X-NginX-Proxy true;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_cache_bypass $http_upgrade;
        proxy_redirect off;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    location /api/ {
        proxy_pass http://example_api;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection keep-alive;
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    listen 443 ssl;
    ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
    include /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
}

snippet.sh

# Generate certificate
sudo apt install certbot python3-certbot-nginx
sudo certbot --nginx -d sample.com -d www.sample.com

# After creating config file, create symbolic link to enable
ln -s /etc/nginx/sites-available/example.com /etc/nginx/sites-enabled/