Integrating clickhouse for metrics.

lib/mixer/clickhouse_repo.ex

@@ -0,0 +1,13 @@
+defmodule Mixer.ClickhouseRepo do
+  @moduledoc """
+  Ecto repository for ClickHouse, backed by the `ecto_ch` / `Ch` adapter.
+
+  Used exclusively for analytics writes (via `Mixer.Metrics.Buffer`) and
+  read queries (via `Mixer.Metrics`). It is **not** an Ash repo and must
+  never be used for transactional application data.
+  """
+
+  use Ecto.Repo,
+    otp_app: :mixer,
+    adapter: Ecto.Adapters.ClickHouse
+end