diff --git a/.github/workflows/ci-workflow.yaml b/.github/workflows/ci-workflow.yaml
new file mode 100644
index 0000000..5d5630b
--- /dev/null
+++ b/.github/workflows/ci-workflow.yaml
@@ -0,0 +1,37 @@
+name: Main CI flow
+
+env:
+  PHP_VER: "7.4"
+  COMPOSER_VER: "2.1"
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    types: [ synchronize, opened, reopened ]
+
+jobs:
+  php-ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup PHP with Composer
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ env.PHP_VER }}
+          tools: composer:v${{ env.COMPOSER_VER }}
+
+      - name: Cache Composer dependencies
+        uses: actions/cache@v3
+        with:
+          path: /tmp/composer-cache
+          key: ${{ runner.os }}-${{ hashFiles('**/composer.lock') }}
+
+      - name: Run Composer
+        run: |
+          export COMPOSER_CACHE_DIR=/tmp/composer-cache # change cache directory to be able to use cache of php-actions/composer@v6 jobs
+          composer install
+
+      - name: Run PHPUnit
+        run: composer run phpunit
diff --git a/README.md b/README.md
index 53c479c..9b2670f 100644
--- a/README.md
+++ b/README.md
@@ -165,14 +165,13 @@ $container->set('config.', ['one', 'two, 'three']);
 - [x] Add PSR11 interfaces in the Container.php.
 - [x] Add auto-wiring support for not bounded classes.
 - [x] Add resolved service storage.
-- [ ] Think about this exception ContainerNotFoundException
+- [ ] Integrate CI with running autotests
 - [ ] Add ability creating new instance of service every time
 - [ ] Add supporting Code Driven IoC
 - [ ] Add singleton getting for Container
 - [ ] Add descriptions in the code for functions.
 - [ ] Set definitions via constuctor
 - [ ] Add `remove` method? 
-- [ ] Integrate CI
 - [ ] Add badges with tests passed
 - [ ] PHP 8 named arguments and autowiring
 - [ ] Save cache in opcache?