Pangolin is a simple web interface for OpenAI’s Whisper system. Very easy and simple to use.

https://github.com/incredig33k/pangolin/

Add User

We’ll setup a new unprivileged user called pangolin.

sudo useradd -m pangolin
sudo passwd pangolin

su pangolin
cd
pip3 install whisper-ctranslate2
  or 
pip3.9 install whisper-ctranslate2

npm install https formidable@2.1.1 fs path url

wget https://github.com/incredig33k/pangolin/releases/download/pre-release/pangolin-web.zip

unzip ./pangolin_web.zip
cd pangolin_web
mkdir uploads

Change default port to 8443. It is possible to use 443, but we would need to run privileged

sed -i "s/443/8443/g" ./pangolin_server.js

Setup SSL Certificate

This assumes you already have Let’s Encrypt setup. We’ll create a certificate directory for Pangolin to use and then copy the certs there.

mkdir /home/pangolin/ssl
sudo cp /etc/letsencrypt/live/DOMAINNAME.COM/fullchain.pem /home/pangolin/ssl/
sudo cp /etc/letsencrypt/live/DOMAINNAME.COM/privkey.pem /home/pangolin/ssl/
sudo chown pangolin:pangolin /home/pangolin/ssl/fullchain.pem
sudo chown pangolin:pangolin /home/pangolin/ssl/privkey.pem

Now back in our web directory we can update the vars.js file like the following.
Note that we do need the full file path. Can’t use ~/

module.exports = {
key: '/home/pangolin/ssl/privkey.pem',
cert: '/home/pangolin/ssl/fullchain.pem'
}

Firewall rules

We can change the port Pangolin runs on by editing the listen port at the bottom of the pangolin_server.js file.

sudo firewall-cmd --add-port=443/tcp

Setting up systemd Service

Now we need to copy our service file and enable the Pangolin service.

sudo cp /home/pangolin/pangolin_web/pangolin.service /usr/lib/systemd/system/pangolin.service

sudo systemctl enable pangolin.service

Start the service

sudo systemctl start pangolin