ci: add GitHub Actions workflow for automated API testing

.github/workflows/api-tests.yml

@@ -0,0 +1,36 @@
+name: API Tests
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.9'
+
+      - name: Install uv
+        run: curl -LsSf https://astral.sh/uv/install.sh | sh
+
+      - name: Install dependencies
+        run: uv sync
+
+      - name: Run tests
+        run: uv run pytest -v
+
+      - name: Upload test results on failure
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-results
+          path: .pytest_cache/

README.md

@@ -1,5 +1,7 @@
 # Python API Testing - JSONPlaceholder
 
+![API Tests](https://github.com/vernko/python-api-testing-jsonplaceholder/actions/workflows/api-tests.yml/badge.svg)
+
 REST API test automation suite using Python, pytest, and requests library. Tests the JSONPlaceholder fake REST API to demonstrate API testing skills.
 
 ## Setup
@@ -20,6 +22,23 @@ uv run pytest -v
 uv run pytest tests/test_posts.py -v
 ```
 
+## CI/CD
+
+This project uses GitHub Actions for continuous integration. Tests run automatically on:
+- Every push to `main` branch
+- Every pull request to `main` branch
+
+### Workflow Details
+
+The CI pipeline:
+1. Sets up Python 3.9 environment
+2. Installs `uv` package manager
+3. Installs project dependencies
+4. Runs all tests with pytest
+5. Uploads test results as artifacts on failure
+
+See `.github/workflows/api-tests.yml` for full workflow configuration.
+
 ## Project Structure
 ```
 tests/