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Recipe PathThis guide corresponds to recipes/heroku.

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What this integration does

The Heroku recipe runs an Express server that checks Esper first and then proxies the request onward. Example from the recipe: 
const mitigationResponse = await axios.post(
  "https://api.esperr.com/api/v1/runtime/mitigation",
  {
    ip: clientIP,
    user_agent: req.headers["user-agent"],
    path: req.path,
    method: req.method,
    heroku_request_id: req.headers["x-request-id"],
  },
  {
    headers: {
      Authorization: `Bearer ${ESPER_API_KEY}`,
      "Content-Type": "application/json",
    },
  },
);

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Environment variables

  • ESPER_API_KEY
  • ESPER_API_URL

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Deploy

cd recipes/heroku
heroku create your-app-name
heroku config:set ESPER_API_KEY=your-api-key
git push heroku main
Good First DeploymentThis is a useful first integration when the team wants a simple hosted process and does not need edge-specific behavior yet.