feat: add storage URL config and routing

Author: zcesur

config/dev.exs

@@ -153,6 +153,7 @@ config :algora,
   plausible_embed_url: System.get_env("PLAUSIBLE_EMBED_URL"),
   posthog_project_id: System.get_env("POSTHOG_PROJECT_ID"),
   assets_url: System.get_env("ASSETS_URL"),
+  storage_url: System.get_env("STORAGE_URL"),
   ingest_url: System.get_env("INGEST_URL"),
   ingest_static_url: System.get_env("INGEST_STATIC_URL"),
   ingest_token: System.get_env("INGEST_TOKEN")

config/runtime.exs

@@ -164,6 +164,7 @@ if config_env() == :prod do
     plausible_embed_url: System.get_env("PLAUSIBLE_EMBED_URL"),
     posthog_project_id: System.get_env("POSTHOG_PROJECT_ID"),
     assets_url: System.get_env("ASSETS_URL"),
+    storage_url: System.get_env("STORAGE_URL"),
     ingest_url: System.get_env("INGEST_URL"),
     ingest_static_url: System.get_env("INGEST_STATIC_URL"),
     ingest_token: System.get_env("INGEST_TOKEN")

config/test.exs

@@ -69,6 +69,7 @@ config :algora, :discord, webhook_url: System.get_env("DISCORD_WEBHOOK_URL")
 config :algora,
   plausible_embed_url: System.get_env("PLAUSIBLE_EMBED_URL"),
   assets_url: System.get_env("ASSETS_URL"),
+  storage_url: System.get_env("STORAGE_URL"),
   ingest_url: System.get_env("INGEST_URL"),
   ingest_static_url: System.get_env("INGEST_STATIC_URL"),
   ingest_token: System.get_env("INGEST_TOKEN")

lib/algora_web/plugs/rewrite_storage_plug.ex

@@ -0,0 +1,7 @@
+defmodule AlgoraWeb.Plugs.RewriteStoragePlug do
+  @moduledoc false
+  alias AlgoraWeb.Plugs.RuntimeRewritePlug
+
+  defdelegate init(opts), to: RuntimeRewritePlug
+  defdelegate call(conn, opts), to: RuntimeRewritePlug
+end

lib/algora_web/router.ex

@@ -40,6 +40,7 @@ defmodule AlgoraWeb.Router do
 
   scope "/" do
     forward "/asset", AlgoraWeb.Plugs.RewriteAssetsPlug, upstream: :assets_url
+    forward "/storage", AlgoraWeb.Plugs.RewriteStoragePlug, upstream: :storage_url
     forward "/ingest/static", AlgoraWeb.Plugs.RewriteIngestStaticPlug, upstream: :ingest_static_url
     forward "/ingest", AlgoraWeb.Plugs.RewriteIngestPlug, upstream: :ingest_url
     forward "/observe/script.js", AlgoraWeb.Plugs.RewriteObserveJSPlug, upstream: "https://plausible.io/js/script.js"