From 6e0f6ec77a81a54685a9a4531677817827e5655f Mon Sep 17 00:00:00 2001
From: Lev Vereshchagin <mail@vrslev.com>
Date: Sun, 5 Dec 2021 19:09:08 +0300
Subject: [PATCH] Add guide to CONTRIBUTING.md

---
 CONTRIBUTING.md | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 31bc9f8a..83715779 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -10,12 +10,35 @@ On each PR that contains changes relevant to Docker builds, images are being bui
 > :evergreen_tree: Please be considerate when pushing commits and opening PR for multiple branches, as the process of building images uses energy and contributes to global warming.
 > 
 
+
 ## Lint
 
+We use `pre-commit` framework to lint the codebase before committing.
+First, you need to install pre-commit with pip:
+
 ```shell
-shellcheck example.sh
+pip install pre-commit
 ```
 
+Also you can use brew if you're on Mac:
+
+```shell
+brew install pre-commit
+```
+
+To setup _pre-commit_ hook, run:
+
+```shell
+pre-commit install
+```
+
+To run all the files in repository, run:
+
+```shell
+pre-commit run --all-files
+```
+
+
 ## Build
 
 ```shell