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Deploying a Facebook Messenger Chat Agent

This guide is based on ParlAI's chat service tutorial, where we provide the base configuration and classes for deploying our example ChattyGooseAgent as a Facebook Messenger chatbot. The following steps deploy the webhook server to Heroku, however it is also possible to deploy it locally by setting the local: True parameter under opt in config.yml.

  1. Create a new Facebook Page and Facebook App for Messenger to host the Chatty Goose agent. Add your Facebook Page under the Webhooks settings for Messenger, and check the "messages" subscription field.

  2. If deploying to Heroku, create a free account and log into the Heroku CLI on your machine.

  3. Run the webhook server and Chatty Goose agent using our provided configuration. This assumes you have the ParlAI Python package installed and are inside the chatty-goose root repository folder.

python -m parlai.chat_service.services.messenger.run --config-path examples/messenger/config.yml

  1. Add the webhook URL outputted from the above command as a callback URL for the Messenger App settings, and set the verify token to Messenger4ParlAI. For Heroku, this URL should look like https://firstname-parlai-messenger-chatbot.herokuapp.com/webhook.

  2. Visiting your page and sending a message should now trigger the agent to respond!