build on multiple versions of PHP

.github/workflows/ci.yml

@@ -5,6 +5,9 @@ on: [push, pull_request]
 jobs:
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php_version: [8.1, 8.2, 8.3]
 
     steps:
       - name: Checkout code
@@ -14,4 +17,4 @@ jobs:
         run: sudo apt-get update && sudo apt-get install -y docker-compose
 
       - name: Run tests
-        run: ./test.sh
+        run: ./test.sh ${{ matrix.php_version }}

Dockerfile

@@ -1,5 +1,6 @@
 # Dockerfile
-FROM php:8.1-cli
+ARG php_version=8.3
+FROM php:${php_version}-cli
 
 # Install dependencies
 RUN apt-get update && apt-get install -y \

test.sh

@@ -3,9 +3,11 @@
 # Ensure the script exits on any error
 set -e
 
-# Uncomment this while changing the Dockerfile
-#docker compose down
-#docker compose build
+# If a PHP version is passed as an argument, rebuild with the new PHP version
+if [ -n "$1" ]; then
+  docker compose down
+  docker compose build --build-arg php_version=$1
+fi
 
 # Start the Docker services if not already running
 docker compose up -d