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Make HRRR base URL configurable, default to skippy proxy in dev

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Graham McIntire 2026-04-01 16:07:17 -05:00
parent 20eb559bb0
commit 5aeec4f55e
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2 changed files with 7 additions and 2 deletions
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3
config/dev.exs
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@ -95,6 +95,9 @@ config :microwaveprop, srtm_tiles_dir: Path.expand("~/srtm/tiles")
# Cache raw HRRR GRIB2 files locally (dev only — do not delete)
config :microwaveprop, hrrr_cache_dir: Path.expand("~/hrrr")
# Proxy HRRR downloads through local caching nginx (set to nil to use S3 directly)
config :microwaveprop, hrrr_base_url: "http://skippy:8080"
# Freshness monitor watches for stale propagation scores
config :microwaveprop, start_freshness_monitor: true

6
lib/microwaveprop/weather/hrrr_client.ex
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@ -7,7 +7,9 @@ defmodule Microwaveprop.Weather.HrrrClient do
require Logger
@hrrr_base "https://noaa-hrrr-bdp-pds.s3.amazonaws.com"
@hrrr_base_default "https://noaa-hrrr-bdp-pds.s3.amazonaws.com"
defp hrrr_base, do: Application.get_env(:microwaveprop, :hrrr_base_url, @hrrr_base_default)
# Fine-grained levels below 900mb (~1km) for duct detection, plus standard upper levels.
# Every 25mb from 1000-900 for ~80m vertical spacing near surface.
@ -110,7 +112,7 @@ defmodule Microwaveprop.Weather.HrrrClient do
:pressure -> "hrrr.t#{hour_str}z.wrfprsf#{fh_str}.grib2"
end
"#{@hrrr_base}/hrrr.#{date_str}/conus/#{file}"
"#{hrrr_base()}/hrrr.#{date_str}/conus/#{file}"
end
def parse_idx(text) do