diff --git a/.github/linters/.hadolint.yaml b/.github/linters/.hadolint.yaml
new file mode 100644
index 0000000..72c73ca
--- /dev/null
+++ b/.github/linters/.hadolint.yaml
@@ -0,0 +1,5 @@
+ignored:
+  - DL3003
+  - DL3008
+  - DL3059
+  - DL4006
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5fd6f66..bfee7a5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,8 +7,8 @@ jobs:
 
     strategy:
       matrix:
-        php: ['7.1', '7.2', '7.3', '7.4', '8.0']
-        prefer: ['lowest', 'stable']
+        php: [ '7.1', '7.2', '7.3', '7.4', '8.0' ]
+        prefer: [ 'lowest', 'stable' ]
 
     name: Test on PHP ${{ matrix.php }} with ${{ matrix.prefer }} composer prefer option
     runs-on: ubuntu-latest
@@ -62,4 +62,4 @@ jobs:
         env:
           FILTER_REGEX_EXCLUDE: .*vendor.*
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          VALIDATE_PHP_PSALM: false
\ No newline at end of file
+          VALIDATE_PHP_PSALM: false
diff --git a/.gitignore b/.gitignore
index 224d9f2..f73589d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
+/.idea/
 /.phpunit.result.cache
+/_coverage/
 /composer.lock
 /phpunit.xml
 /vendor/
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..3c2e56b
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,19 @@
+FROM php:7.1
+
+# Enable phpdebug
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends libxml2-dev \
+    && rm -rf /var/lib/apt/lists/* \
+    && docker-php-source extract \
+    && cd /usr/src/php \
+    && ./configure --enable-phpdbg \
+    && docker-php-source delete
+
+# Install composer and required packages
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends unzip \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
+
+WORKDIR /app
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..a3eb9e3
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,14 @@
+## Add dockerized commands to path
+PATH := $(PATH):tools
+
+docker-build:
+	docker build -t timeweb/phpstan-enum .
+
+install:
+	composer install
+
+test:
+	php vendor/bin/phpunit
+
+test-coverage:
+	phpdbg -qrr vendor/bin/phpunit -d memory_limit=512m --coverage-html=_coverage --coverage-text
diff --git a/README.md b/README.md
index 6382d8e..7c5ac98 100644
--- a/README.md
+++ b/README.md
@@ -22,3 +22,24 @@ And include extension.neon in your project's PHPStan config
 includes:
   - vendor/timeweb/phpstan-enum/extension.neon
 ```
+
+## Install for Local Development
+
+### With docker
+
+```bash
+git clone git@github.com:timeweb/phpstan-enum.git
+cd phpstan-enum
+make docker-build
+make install
+make phpunit
+```
+
+### Without docker (localy installed actual version of php, composer, etc)
+
+```bash
+git clone git@github.com:timeweb/phpstan-enum.git
+cd phpstan-enum
+make install
+make phpunit
+```
diff --git a/tools/composer b/tools/composer
new file mode 100755
index 0000000..7de0507
--- /dev/null
+++ b/tools/composer
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+mkdir -p "$HOME/.composer/cache/"
+
+test -t 1 && USE_TTY="--tty"
+
+docker run --rm --interactive ${USE_TTY} \
+    --user $UID:$UID \
+    --volume "$PWD":/app \
+    --volume "$HOME/.composer":/tmp/.composer \
+    --env COMPOSER_HOME=/tmp/.composer \
+    timeweb/phpstan-enum composer "$@"
diff --git a/tools/php b/tools/php
new file mode 100755
index 0000000..93d6d5d
--- /dev/null
+++ b/tools/php
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+test -t 1 && USE_TTY="--tty"
+
+docker run --rm --init --interactive ${USE_TTY} \
+    --user $UID:$UID \
+    --volume "$PWD:/app" \
+    timeweb/phpstan-enum php "$@"
diff --git a/tools/phpdbg b/tools/phpdbg
new file mode 100755
index 0000000..856cc80
--- /dev/null
+++ b/tools/phpdbg
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+test -t 1 && USE_TTY="--tty"
+
+docker run --rm --init --interactive ${USE_TTY} \
+    --user $UID:$UID \
+    --volume "$PWD:/app" \
+    timeweb/phpstan-enum phpdbg "$@"