Nginx setup with ssl:

Generate certificate from:

https://punchsalad.com/ssl-certificate-generator/

Update DNS record , wait for 5 mins and check the dns ex:

Once record is verified , download the cert from next page

rename the files accordingly

sudo mv your_domain_chain-CA.txt your_domain_chain.crt
sudo mv your_private-key.txt your_private.key

Install nginx

sudo apt update
sudo apt install nginx

create directory to store ssl certs and copy the downloaded cert files in Step 4

sudo mkdir /etc/nginx/certs

Create a nginx configuration file

vi /etc/nginx/sites-available/mysite.conf

server {
    listen 80;
    server_name $domainname;  # update this
    return 301 https://$server_name$request_uri;  #redirect to https
    }
}

server {

listen 443 ssl;

ssl_certificate /etc/nginx/certs/your_domain_chain.crt; # update this

ssl_certificate_key /etc/nginx/certs/your_private.key; # update this

server_name your_domain.com; # update this

location / {
        proxy_pass http://localhost:8080;
    }

}

Create symlink

sudo ln -s /etc/nginx/sites-available/dev-allbot.conf /etc/nginx/sites-enabled/

check configuration and reload nginx

sudo nginx -t && sudo nginx -s reload