Install ErrorTracker

.formatter.exs

@@ -1,5 +1,5 @@
 [
-  import_deps: [:ecto, :ecto_sql, :oban, :oban_web, :phoenix, :phoenix_live_view],
+  import_deps: [:error_tracker, :ecto, :ecto_sql, :oban, :oban_web, :phoenix, :phoenix_live_view],
   subdirectories: ["priv/*/migrations"],
   plugins: [Phoenix.LiveView.HTMLFormatter, Quokka],
   inputs: ["*.{heex,ex,exs}", "{config,lib,test}/**/*.{heex,ex,exs}", "priv/*/seeds.exs"],

config/config.exs

@@ -7,6 +7,7 @@
 # General application configuration
 import Config
 
+config :error_tracker, repo: MusicLibrary.Repo, otp_app: :music_library, enabled: true
 config :elixir, :time_zone_database, TimeZoneInfo.TimeZoneDatabase
 
 config :time_zone_info, update: :daily

lib/music_library_web/router.ex

@@ -1,5 +1,6 @@
 defmodule MusicLibraryWeb.Router do
   use MusicLibraryWeb, :router
+  use ErrorTracker.Integrations.Plug
   use Honeybadger.Plug
 
   import MusicLibraryWeb.Auth, only: [require_logged_in: 2, require_api_token: 2]
@@ -105,6 +106,7 @@ defmodule MusicLibraryWeb.Router do
 
   if Application.compile_env(:music_library, :monitoring_routes) do
     import Phoenix.LiveDashboard.Router
+    use ErrorTracker.Web, :router
 
     scope "/dev" do
       pipe_through [:browser, :logged_in]
@@ -117,6 +119,8 @@ defmodule MusicLibraryWeb.Router do
       oban_dashboard "/oban"
 
       live "/maintenance", MusicLibraryWeb.MaintenanceLive.Index, :index
+
+      error_tracker_dashboard "/errors"
     end
   end
 end

mix.exs

@@ -117,6 +117,7 @@ defmodule MusicLibrary.MixProject do
       {:lazy_html, ">= 0.1.0", only: :test},
 
       # Prod error/perf tooling
+      {:error_tracker, "~> 0.7"},
       {:sentry, "~> 11.0"},
       {:honeybadger, "~> 0.24"},
       {:phoenix_live_dashboard, "~> 0.8.3"},

mix.lock

@@ -17,6 +17,7 @@
   "ecto_sqlite3": {:hex, :ecto_sqlite3, "0.22.0", "edab2d0f701b7dd05dcf7e2d97769c106aff62b5cfddc000d1dd6f46b9cbd8c3", [:mix], [{:decimal, "~> 1.6 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:ecto, "~> 3.13.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:ecto_sql, "~> 3.13.0", [hex: :ecto_sql, repo: "hexpm", optional: false]}, {:exqlite, "~> 0.22", [hex: :exqlite, repo: "hexpm", optional: false]}], "hexpm", "5af9e031bffcc5da0b7bca90c271a7b1e7c04a93fecf7f6cd35bc1b1921a64bd"},
   "ecto_sqlite3_extras": {:hex, :ecto_sqlite3_extras, "1.2.2", "36e60b561a11441d15f26c791817999269fb578b985162207ebb08b04ca71e40", [:mix], [{:exqlite, ">= 0.13.2", [hex: :exqlite, repo: "hexpm", optional: false]}, {:table_rex, "~> 4.0", [hex: :table_rex, repo: "hexpm", optional: false]}], "hexpm", "2b66ba7246bb4f7e39e2578acd4a0e4e4be54f60ff52d450a01be95eeb78ff1e"},
   "elixir_make": {:hex, :elixir_make, "0.9.0", "6484b3cd8c0cee58f09f05ecaf1a140a8c97670671a6a0e7ab4dc326c3109726", [:mix], [], "hexpm", "db23d4fd8b757462ad02f8aa73431a426fe6671c80b200d9710caf3d1dd0ffdb"},
+  "error_tracker": {:hex, :error_tracker, "0.7.1", "074f10bfb01961bd0d51eb010c6ddbe13bf40eb4ddfbb25538680ddb520ab1aa", [:mix], [{:ecto, "~> 3.13", [hex: :ecto, repo: "hexpm", optional: false]}, {:ecto_sql, "~> 3.13", [hex: :ecto_sql, repo: "hexpm", optional: false]}, {:ecto_sqlite3, ">= 0.0.0", [hex: :ecto_sqlite3, repo: "hexpm", optional: true]}, {:igniter, "~> 0.5", [hex: :igniter, repo: "hexpm", optional: true]}, {:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: false]}, {:myxql, ">= 0.0.0", [hex: :myxql, repo: "hexpm", optional: true]}, {:phoenix_ecto, "~> 4.6", [hex: :phoenix_ecto, repo: "hexpm", optional: false]}, {:phoenix_live_view, "~> 1.0", [hex: :phoenix_live_view, repo: "hexpm", optional: false]}, {:plug, "~> 1.10", [hex: :plug, repo: "hexpm", optional: false]}, {:postgrex, ">= 0.0.0", [hex: :postgrex, repo: "hexpm", optional: true]}], "hexpm", "cc77434c084d100e17dcc5ccea6bed05b15748186df5207e21fb761651bf4e0d"},
   "esbuild": {:hex, :esbuild, "0.10.0", "b0aa3388a1c23e727c5a3e7427c932d89ee791746b0081bbe56103e9ef3d291f", [:mix], [{:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "468489cda427b974a7cc9f03ace55368a83e1a7be12fba7e30969af78e5f8c70"},
   "expo": {:hex, :expo, "1.1.1", "4202e1d2ca6e2b3b63e02f69cfe0a404f77702b041d02b58597c00992b601db5", [:mix], [], "hexpm", "5fb308b9cb359ae200b7e23d37c76978673aa1b06e2b3075d814ce12c5811640"},
   "exqlite": {:hex, :exqlite, "0.35.0", "90741471945db42b66cd8ca3149af317f00c22c769cc6b06e8b0a08c5924aae5", [:make, :mix], [{:cc_precompiler, "~> 0.1", [hex: :cc_precompiler, repo: "hexpm", optional: false]}, {:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:elixir_make, "~> 0.8", [hex: :elixir_make, repo: "hexpm", optional: false]}, {:table, "~> 0.1.0", [hex: :table, repo: "hexpm", optional: true]}], "hexpm", "a009e303767a28443e546ac8aab2539429f605e9acdc38bd43f3b13f1568bca9"},

priv/repo/migrations/20260226212444_add_error_tracker.exs

@@ -0,0 +1,6 @@
+defmodule MusicLibrary.Repo.Migrations.AddErrorTracker do
+  use Ecto.Migration
+
+  def up, do: ErrorTracker.Migration.up()
+  def down, do: ErrorTracker.Migration.down(version: 1)
+end