diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..8c356a2
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,28 @@
+files: ^secretsanta|apps|tests$
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: trailing-whitespace
+        args: [ --markdown-linebreak-ext=md ]
+      - id: end-of-file-fixer
+      - id: check-ast
+      - id: check-added-large-files
+      - id: check-byte-order-marker
+      - id: check-case-conflict
+      - id: check-docstring-first
+      - id: check-merge-conflict
+      - id: check-toml
+      - id: debug-statements
+      - id: mixed-line-ending
+        args: [ --fix=lf ]
+
+  - repo: https://github.com/charliermarsh/ruff-pre-commit
+    rev: v0.1.6
+    hooks:
+      - id: ruff
+        args:
+          - --fix
+          - --exit-non-zero-on-fix
+      - id: ruff-format
\ No newline at end of file
diff --git a/Makefile b/Makefile
index d5d27a5..1e7596c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,14 +1,14 @@
-install:
-	@echo "Installing pdm packages"
-	@. pdm install
-	@echo "Installing node packages"
-	@. cd apps/http/sls npm i
-
-
 run--sls:
 	@echo "Activating virtual environment and starting serverless offline"
 	@. .venv/bin/activate && cd apps/http/sls && npx sls offline
 
 deploy--sls:
 	@echo "Deploying via serverless framework"
-	@. cd apps/http/sls && pdm export -G sls -f requirements --prod > requirements.txt && npx sls deploy
\ No newline at end of file
+	@. cd apps/http/sls && pdm export -G sls -f requirements --prod > requirements.txt && npx sls deploy
+
+lint:
+	pre-commit run --all-files --color always
+
+tests--unit:
+	pdm run pytest --cov secretsanta tests
+	coverage html
\ No newline at end of file
diff --git a/apps/http/apischema.yml b/apps/http/apischema.yml
index 8e18d2e..c41b9fe 100644
--- a/apps/http/apischema.yml
+++ b/apps/http/apischema.yml
@@ -109,4 +109,4 @@ components:
       type: object
       properties:
         pair:
-          type: string
\ No newline at end of file
+          type: string
diff --git a/apps/http/chalice/.chalice/config.json b/apps/http/chalice/.chalice/config.json
index 5958d89..1bdea33 100644
--- a/apps/http/chalice/.chalice/config.json
+++ b/apps/http/chalice/.chalice/config.json
@@ -5,4 +5,4 @@
     "dev": {
     }
   }
-}
\ No newline at end of file
+}
diff --git a/apps/http/sls/requirements.txt b/apps/http/sls/requirements.txt
index acfb987..2dbba36 100644
--- a/apps/http/sls/requirements.txt
+++ b/apps/http/sls/requirements.txt
@@ -241,4 +241,3 @@ yarl==1.9.4 \
     --hash=sha256:e23a6d84d9d1738dbc6e38167776107e63307dfc8ad108e580548d1f2c587f42 \
     --hash=sha256:ea65804b5dc88dacd4a40279af0cdadcfe74b3e5b4c897aa0d81cf86927fee78 \
     --hash=sha256:ee04010f26d5102399bd17f8df8bc38dc7ccd7701dc77f4a68c5b8d733406958
-
diff --git a/apps/http/sls/serverless.yml b/apps/http/sls/serverless.yml
index d13eda0..a496e21 100644
--- a/apps/http/sls/serverless.yml
+++ b/apps/http/sls/serverless.yml
@@ -70,4 +70,4 @@ functions:
     events:
       - httpApi:
           path: /api/v1/groups/{group_uuid}/pair/{participant}
-          method: get
\ No newline at end of file
+          method: get
diff --git a/pyproject.toml b/pyproject.toml
index e473aab..9a4b1eb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,6 +33,7 @@ chalice = [
 sls = [
     "anyio>=4.1.0",
 ]
+
 [build-system]
 requires = ["pdm-backend"]
 build-backend = "pdm.backend"
diff --git a/secretsanta/repo.py b/secretsanta/repo.py
index 151dd5f..af7da1b 100644
--- a/secretsanta/repo.py
+++ b/secretsanta/repo.py
@@ -2,7 +2,6 @@ import json
 from contextlib import asynccontextmanager
 
 import aioboto3
-import botocore
 from botocore.exceptions import ClientError
 
 from secretsanta.domain import Group, IRepo