1 files changed, 10 insertions, 2 deletions
diff --git a/mix.exs b/mix.exs
index e0cffe4..defc400 100644
--- a/mix.exs
+++ b/mix.exs
@@ -17,7 +17,13 @@ defmodule MatrixAppService.MixProject do
       aliases: aliases(),
       deps: deps(),
       docs: [main: "MatrixAppService"],
-      test_coverage: test_coverage(System.get_env("CI"))
+      test_coverage: test_coverage(System.get_env("CI")),
+
+      # elixirc_options: [warnings_as_errors: true],
+      dialyzer: [
+        plt_file: {:no_warn, "priv/plts/dialyzer.plt"},
+        ignore_warnings: ".dialyzer_ignore.exs"
+      ]
     ]
   end
 
@@ -65,7 +71,9 @@ defmodule MatrixAppService.MixProject do
       {:ex_doc, "~> 0.22", only: :dev, runtime: false},
       {:junit_formatter, "~> 3.1", only: :test},
       {:cobertura_cover, "~> 0.9.0", only: :test},
-      {:postgrex, ">= 0.0.0", only: :test}
+      {:postgrex, ">= 0.0.0", only: :test},
+      {:credo, "~> 1.4.1", only: [:dev, :test], runtime: false},
+      {:dialyxir, "~> 1.0.0", only: [:dev, :test], runtime: false}
     ]
   end