perkeep/config/dev-indexer-config.json

{ "_for-emacs": "-*- mode: js2;-*-",
  "handlerConfig": true,
  "baseURL": ["_env", "http://localhost:${CAMLI_PORT}"],
  "password": ["_env", "${CAMLI_PASSWORD}"],
  "prefixes": {
    "/indexer/": {
         "handler": "storage-mysqlindexer",
         "handlerArgs": {
              "database": "devcamlistore",
              "user": "root",
              "password": "root",
              "host": "127.0.0.1"
         }
      }
  }
}