How to Host a Python Application on Vertra Cloud

my-project/
├── main.py
├── requirements.txt
└── vertracloud.config  (optional)

flask==3.0.0
gunicorn==21.2.0
requests==2.31.0

MAIN=main.py
VERSION=recommended

import discord
import os

intents = discord.Intents.default()
intents.message_content = True

client = discord.Client(intents=intents)

@client.event
async def on_ready():
    print(f'{client.user} is online!')

@client.event
async def on_message(message):
    if message.author == client.user:
        return
    if message.content == '!ping':
        await message.channel.send('Pong!')

client.run(os.environ['DISCORD_TOKEN'])

from flask import Flask, jsonify
import os

app = Flask(__name__)

@app.route('/')
def index():
    return jsonify({'message': 'Hello from Vertra Cloud!'})

@app.route('/health')
def health():
    return jsonify({'status': 'ok'})

if __name__ == '__main__':
    port = int(os.environ.get('PORT', 80))
    app.run(host='0.0.0.0', port=port)