• Introduction
• Polling vs. Webhook
• Requirements
• A public IP address or domain
• A SSL certificate
• Creating a self-signed certificate using OpenSSL
• Choosing a server model
• The integrated webhook server
• Reverse proxy + integrated webhook server
• Heroku
• Using nginx with one domain/port for all bots
• Using haproxy with one subdomain per bot
• Custom solution
• Alternative: No long running tasks