Nginx configuration for Signal K reverse proxy (in Docker)

nginx.conf

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

server {
    listen       443 ssl;
    listen  [::]:443;
    server_name  your.host;

    ssl_certificate /etc/letsencrypt/live/your.host/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/your.host/privkey.pem;

    location / {
       proxy_pass   http://host.docker.internal:3000;
    }

    location /signalk/v1/stream {
      proxy_pass   http://host.docker.internal:3000/signalk/v1/stream;
      proxy_http_version 1.1;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "upgrade";
    }
    location /plugins/signalk-node-red/redAdmin/comms {
      proxy_pass   http://host.docker.internal:3000/plugins/signalk-node-red/redAdmin/comms;
      proxy_http_version 1.1;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "upgrade";
    }
}

  ```