fxa-profile-server/config/worker.sample.json

{
  "img": {
    "driver": "aws",
    "providers": {
      "fxa": "^http://127.0.0.1:1112/a/[0-9a-f]{32}$"
    },
    "uploads": {
      "dest": {
        "public": "BUCKET_NAME"
      }
    },
    "url": "https://a.p.firefoxusercontent.net/a/{id}"
  },
  "worker": {
    "host": "127.0.0.1",
    "port": 1113
  }
}