Thumbnails - All are null; Firewall blocking outbound container calls

[ewlarson]

From
https://lib-btaageoapi-dev-app-01.oit.umn.edu/api/v1/search?q=Lake%20Superior&page=1&per_page=10

They're all like this...

      "meta": {
        "@context": "https://gin.btaa.org/ld/contexts/ogm-aardvark-btaa.context.jsonld",
        "@type": "BtaaAardvarkRecord",
        "score": 35.559853,
        "ui": {
          "thumbnail_url": null,
          "citation": "Lane, Alfred C. (Alfred Church), 1863-1948. (1908). Geological map of Isle Royale, Lake Superior, Michigan. Geological Survey of Michigan (Lansing). https://umedia.lib.umn.edu/item/p16022coll230:1931",

[ewlarson]

Yeah, this is going to be a network firewall issue to sort out... The docker containers run on the kamal network, which doesn't have proper outbound internet access configured — likely a firewall or NAT configuration issue.

See #34