add a CI

Author: pscheit

.github/workflows/continuous-integration.yml

@@ -0,0 +1,19 @@
+name: Continuous Integration
+
+on:
+  pull_request:
+  push:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Build Docker image
+      run: docker build -t ci-image -f config/docker/php/Dockerfile --target ci .
+    
+    - name: Run PHPUnit tests
+      run: docker run --rm ci-image ./vendor/bin/phpunit

config/docker/php/Dockerfile

@@ -8,14 +8,19 @@ COPY config/docker/php/conf.d/*.ini /usr/local/etc/php/conf.d/
 
 RUN docker-php-ext-install zip
 
-FROM php-installed
-
 COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
 ENV COMPOSER_ALLOW_SUPERUSER=1
 
 RUN mkdir -p /app/var/cache
 WORKDIR /app
 
+FROM php-installed AS ci
+COPY composer.json composer.lock ./
+RUN composer install --prefer-dist --no-progress
+COPY . .
+
+FROM php-installed AS dev
+RUN pecl install xdebug && docker-php-ext-enable xdebug
 
 
 ## install and cache composer dependencies

docker-compose.dev.yaml

@@ -1,4 +1,6 @@
 services:
     php:
+        build:
+            target: dev
         volumes:
             - ./:/app