docker build --pull --rm -f "Dockerfile" -t ps5avail:latest "."
create a file with the following content:
[telegram]
token = 12345678:AJKhsjUJHJjOAZI00HvY51qNevj6J2EBijo
chat_id = 1234567890
make sure to replace token and chat_id with your own values.
get token from botfather - telegram.org how to get a group chat id? - stackoverflow.com
docker run --name ps5avail -d -v $(pwd)/telegram-send.conf:/root/.config/telegram-send.conf ps5avail:latest
docker start ps5avail