diff --git a/.gitignore b/.gitignore
index 4cd6c70598f..cd63a486d82 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,6 @@ box.phar
 php-parallel-lint
 
 tmp
+
+# Allow overrides for Docker configuration (custom volumes, env variables etc)
+docker-compose.override.yml
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 596ea9dc89f..8f674765fd0 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -2,7 +2,20 @@
 
 Contributions here are more than welcomed! You can contribute to [rector-src](https://github.com/rectorphp/rector-src) repository.
 
-There 3 rules will highly increase changes to get your PR merged:
+### Preparing Local Environment
+
+If you have PHP 8 and Composer installed locally you can use it straight away. You can validate your environment with:
+
+```bash
+composer check-platform-reqs
+
+Alternatively you can use Docker runtime. All you need to do is wrap every command with `docker-compose run php`, so commands will be executed inside Docker container.
+
+For example `docker-compose run php composer install` will download PHP dependencies, so you can start using all scripts and work with the code.
+
+### Preparing Pull Request
+
+There 3 rules will highly increase chance to get your PR merged:
 
 - **1 feature per pull-request**
 - **new features need tests**
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 00000000000..d4de7e2063c
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,7 @@
+FROM php:8-cli-alpine
+
+WORKDIR /etc/rector
+
+COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
+
+RUN mkdir -p /etc/rector
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 00000000000..84504daf86e
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,7 @@
+version: "3.8"
+
+services:
+  php:
+    build: .
+    volumes:
+      - .:/etc/rector