diff --git a/.gitea/workflows/checks.yaml b/.gitea/workflows/checks.yaml
new file mode 100644
index 0000000..0abdb74
--- /dev/null
+++ b/.gitea/workflows/checks.yaml
@@ -0,0 +1,46 @@
+name: Checks
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup ssl
+        run: wget http://archive.ubuntu.com/ubuntu/pool/main/o/openssl/libssl1.1_1.1.1f-1ubuntu2.23_amd64.deb && sudo dpkg -i libssl1.1_1.1.1f-1ubuntu2.23_amd64.deb
+
+      - uses: erlef/setup-beam@v1
+        env:
+          ImageOS: ubuntu24
+        with:
+          otp-version: "25"
+          elixir-version: "1.17.3"
+          install-rebar: false
+
+      - name: Install dependencies
+        run: mix deps.get
+
+      - name: Check formatting
+        run: mix format --check-formatted
+
+      - name: Run Credo
+        run: mix credo --strict
+
+      - name: Check for compiler warnings
+        run: mix compile --warnings-as-errors
+
+      - name: Run tests
+        run: mix test
+
+      - name: Check for unused dependencies
+        run: mix deps.unlock --check-unused
diff --git a/README.md b/README.md
index c1f3d14..19d95da 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 ExMR - Exam Managment Resource
 
-o start your Phoenix server:
+To start your Phoenix server:
 
 - Run `mix setup` to install and setup dependencies
 - Start Phoenix endpoint with `mix phx.server` or inside IEx with `iex -S mix phx.server`
diff --git a/mix.exs b/mix.exs
index 9834866..566b0ce 100644
--- a/mix.exs
+++ b/mix.exs
@@ -37,6 +37,7 @@ defmodule Exmr.MixProject do
       {:phoenix_ecto, "~> 4.5"},
       {:ecto_sql, "~> 3.10"},
       {:postgrex, ">= 0.0.0"},
+      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
       {:phoenix_html, "~> 4.1"},
       {:phoenix_live_reload, "~> 1.2", only: :dev},
       # TODO bump on release to {:phoenix_live_view, "~> 1.0.0"},
diff --git a/mix.lock b/mix.lock
index dee4e58..e91eb28 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,8 +1,10 @@
 %{
   "bandit": {:hex, :bandit, "1.5.7", "6856b1e1df4f2b0cb3df1377eab7891bec2da6a7fd69dc78594ad3e152363a50", [:mix], [{:hpax, "~> 1.0.0", [hex: :hpax, repo: "hexpm", optional: false]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:thousand_island, "~> 1.0", [hex: :thousand_island, repo: "hexpm", optional: false]}, {:websock, "~> 0.5", [hex: :websock, repo: "hexpm", optional: false]}], "hexpm", "f2dd92ae87d2cbea2fa9aa1652db157b6cba6c405cb44d4f6dd87abba41371cd"},
   "bcrypt_elixir": {:hex, :bcrypt_elixir, "3.2.0", "feab711974beba4cb348147170346fe097eea2e840db4e012a145e180ed4ab75", [:make, :mix], [{:comeonin, "~> 5.3", [hex: :comeonin, repo: "hexpm", optional: false]}, {:elixir_make, "~> 0.6", [hex: :elixir_make, repo: "hexpm", optional: false]}], "hexpm", "563e92a6c77d667b19c5f4ba17ab6d440a085696bdf4c68b9b0f5b30bc5422b8"},
+  "bunt": {:hex, :bunt, "1.0.0", "081c2c665f086849e6d57900292b3a161727ab40431219529f13c4ddcf3e7a44", [:mix], [], "hexpm", "dc5f86aa08a5f6fa6b8096f0735c4e76d54ae5c9fa2c143e5a1fc7c1cd9bb6b5"},
   "castore": {:hex, :castore, "1.0.10", "43bbeeac820f16c89f79721af1b3e092399b3a1ecc8df1a472738fd853574911", [:mix], [], "hexpm", "1b0b7ea14d889d9ea21202c43a4fa015eb913021cb535e8ed91946f4b77a8848"},
   "comeonin": {:hex, :comeonin, "5.5.0", "364d00df52545c44a139bad919d7eacb55abf39e86565878e17cebb787977368", [:mix], [], "hexpm", "6287fc3ba0aad34883cbe3f7949fc1d1e738e5ccdce77165bc99490aa69f47fb"},
+  "credo": {:hex, :credo, "1.7.10", "6e64fe59be8da5e30a1b96273b247b5cf1cc9e336b5fd66302a64b25749ad44d", [:mix], [{:bunt, "~> 0.2.1 or ~> 1.0", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2 or ~> 1.0", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "71fbc9a6b8be21d993deca85bf151df023a3097b01e09a2809d460348561d8cd"},
   "db_connection": {:hex, :db_connection, "2.7.0", "b99faa9291bb09892c7da373bb82cba59aefa9b36300f6145c5f201c7adf48ec", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "dcf08f31b2701f857dfc787fbad78223d61a32204f217f15e881dd93e4bdd3ff"},
   "decimal": {:hex, :decimal, "2.2.0", "df3d06bb9517e302b1bd265c1e7f16cda51547ad9d99892049340841f3e15836", [:mix], [], "hexpm", "af8daf87384b51b7e611fb1a1f2c4d4876b65ef968fa8bd3adf44cff401c7f21"},
   "dns_cluster": {:hex, :dns_cluster, "0.1.3", "0bc20a2c88ed6cc494f2964075c359f8c2d00e1bf25518a6a6c7fd277c9b0c66", [:mix], [], "hexpm", "46cb7c4a1b3e52c7ad4cbe33ca5079fbde4840dedeafca2baf77996c2da1bc33"},