Proxy HTTP2 Config for Nginx

proxy-http2.conf

upstream service {
  server 127.0.0.1:4200;
}

server {
  listen 443 ssl http2 default_server;
  server_name localhost;

  # cd /etc/nginx/ssl
  # openssl req -x509 -sha256 -newkey rsa:2048 -keyout cert.key -out cert.pem    -days 1024 -nodes -subj '/CN=local'
  ssl_certificate /etc/nginx/ssl/cert.pem;
  ssl_certificate_key /etc/nginx/ssl/cert.key;

  location / {
    proxy_pass http://service;
  }
}

server {
  listen 80;
  server_name localhost;
  return 301 https://$server_name$request_uri;
}