Unable to connect app to postgres

I was able to figure this out, it appears the default phoenix app config for needed to be changed to allow ipv6 connections:

  config :live_state_platform, LiveStatePlatform.Repo,
    # ssl: true,
    socket_options: [:inet6],
    url: database_url,
    pool_size: String.to_integer(System.get_env("POOL_SIZE") || "10")

The socket_options line was commented out initially by the phoenix generator at least at the version I had.