{
  "stages": [
    {
      "name": "start",
      "type": "source-txt2img",
      "params": {
        "prompt": "a magical wizard"
      }
    },
    {
      "name": "refine",
      "type": "blend-img2img",
      "params": {
        "prompt": "a magical wizard in a robe fighting a dragon",
        "strength": 0.5
      }
    },
    {
      "name": "upscale",
      "type": "upscale-stable-diffusion",
      "params": {
        "upscale": "stable-diffusion-x4-upscaler",
        "prompt": "a magical wizard in a robe fighting a dragon",
        "scale": 4,
        "outscale": 4,
        "tile_size": "mini"
      }
    },
    {
      "name": "save-local",
      "type": "persist-disk",
      "params": {
        "tile_size": "hd8k"
      }
    },
    {
      "name": "save-ceph",
      "type": "persist-s3",
      "params": {
        "bucket": "storage-stable-diffusion",
        "endpoint_url": "http://scylla.home.holdmyran.ch:8000",
        "profile_name": "ceph",
        "tile_size": "hd8k"
      }
    }
  ]
}