diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..b1bb148
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,72 @@
+name: CI
+
+on: [push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    strategy:
+      matrix:
+        php-versions: ['5.4', '5.5', '7.0']
+        db-image: [mysql:5.5, mariadb:10.0, mariadb:10.1]
+    services:
+      mysql:
+        image: ${{ matrix.db-image }}
+        env:
+          MYSQL_ROOT_PASSWORD: root
+        ports:
+          - 3306:3306
+        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php-versions }}
+
+    - name: Fix broken dependencies
+      run: sudo apt-get install -f -y
+
+    - name: Update apt-get
+      run: sudo apt-get update
+
+    - name: Install MySQL client
+      run: sudo apt-get install -y mysql-client
+
+    - name: Setup database
+      run: |
+        mysql -h 127.0.0.1 -u root -proot -e "DROP DATABASE IF EXISTS addressbook;"
+        mysql -h 127.0.0.1 -u root -proot -e "CREATE DATABASE addressbook;"
+        mysql -h 127.0.0.1 -u root -proot addressbook < addressbook.sql
+
+    - name: Configure database
+      run: cp .github-offline/db.config.php config/cfg.db.php
+
+    - name: Start PHP web server
+      run: php -S localhost:8000 -t . &
+
+    - name: Run tests
+      env:
+        SERVER_NAME: "localhost:8000"
+        REQUEST_URI: "/index.php"
+      run: |
+        sleep 2
+        php test/index.php | tee /tmp/test_output.txt
+        # Fail the job if the test runner didn't report success
+        if ! grep -q "Passes:" /tmp/test_output.txt; then
+            echo "::error::Test runner did not complete successfully."
+            exit 1
+        fi
+        # Fail the job if the test suite reported failures
+        if grep -q "FAILURES!!!" /tmp/test_output.txt; then
+            echo "::error::Test suite reported failures."
+            exit 1
+        fi
+        echo "All tests passed!"
+
+    - name: Stop PHP web server
+      if: always()
+      run: pkill -f "php -S localhost:8000" || true