2 - added some files for better development improvements

.docker/Dockerfile

@@ -0,0 +1,14 @@
+ARG PHP_VERSION=8.2
+ARG PHPUNIT_VERSION=10.4.0
+ARG PHPSTAN_VERSION=1.10.38
+
+FROM php:${PHP_VERSION}-cli-alpine
+COPY --from=composer /usr/bin/composer /usr/bin/composer
+
+ARG PHPUNIT_VERSION
+ARG PHPSTAN_VERSION
+
+RUN docker-php-ext-install bcmath && docker-php-ext-enable bcmath
+RUN wget -O phpunit https://phar.phpunit.de/phpunit-${PHPUNIT_VERSION}.phar && chmod +x phpunit
+RUN wget -O phpstan https://github.com/phpstan/phpstan/releases/download/${PHPSTAN_VERSION}/phpstan.phar && chmod +x phpstan
+

.env

@@ -0,0 +1,3 @@
+PHP_VERSION=8.2
+PHPUNIT_VERSION=10.4.0
+PHPSTAN_VERSION=1.10.38

.gitattributes

@@ -7,8 +7,17 @@
 *.png binary
 
 # Remove files for archives generated using `git archive`
-phpunit.xml.dist export-ignore
-.travis.yml export-ignore
-.gitignore export-ignore
-.gitattributes export-ignore
 .editorconfig export-ignore
+.env export-ignore
+.gitattributes export-ignore
+.gitignore export-ignore
+phpcs.xml export-ignore
+phpstan.neon export-ignore
+phpunit.xml.dist export-ignore
+compose.yaml export-ignore
+Makefile export-ignore
+
+# Remove directories for archives
+.docker/ export-ignore
+.github/ export-ignore
+tests/ export-ignore

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ['8.1', '8.2']
+        php-version: ['8.1', '8.2', '8.3']
 
     steps:
     - uses: actions/checkout@v3
@@ -26,11 +26,13 @@ jobs:
         coverage: pcov
 
     - name: Composer install
+      continue-on-error: ${{ matrix.php-version  == '8.3' }}
       run: |
         composer --version
         composer install
 
     - name: Run PHPUnit
+      continue-on-error: ${{ matrix.php-version  == '8.3' }}
       run: |
         if [[ ${{ matrix.php-version }} == '8.1' ]]; then
           vendor/bin/phpunit --coverage-clover=coverage.xml

Makefile

@@ -0,0 +1,19 @@
+install:
+	@docker compose run --rm -it php composer install
+
+phpunit:
+	@docker compose run --rm -it php composer test
+
+coverage:
+	@docker compose run --rm -it php composer test-coverage
+
+phpstan:
+	@docker compose run --rm -it php composer stan
+
+cs-check:
+	@docker compose run --rm -it php composer cs-check
+
+cs-fix:
+	@docker compose run --rm -it php composer cs-fix
+
+test: install cs-check phpstan phpunit

compose.yaml

@@ -0,0 +1,14 @@
+version: "3"
+
+services:
+    php:
+        build:
+            context: .
+            dockerfile: .docker/Dockerfile
+            args:
+                PHP_VERSION: "${PHP_VERSION:-8.2}"
+                PHPUNIT_VERSION: "${PHPUNIT_VERSION:-10.4.0}"
+                PHPSTAN_VERSION: "${PHPSTAN_VERSION:-1.10.38}"
+        volumes:
+            - ./:/code
+        working_dir: /code

composer.json

@@ -43,7 +43,7 @@
     "scripts": {
         "test": "phpunit",
         "test-coverage": "phpunit --log-junit tmp/coverage/unitreport.xml --coverage-html tmp/coverage --coverage-clover tmp/coverage/coverage.xml",
-        "stan": "vendor/bin/phpstan.phar analyse",
+        "stan": "phpstan analyse",
         "lowest": "validate-prefer-lowest",
         "lowest-setup": "composer update --prefer-lowest --prefer-stable --prefer-dist --no-interaction && cp composer.json composer.backup && composer require --dev dereuromark/composer-prefer-lowest && mv composer.backup composer.json",
         "cs-check": "vendor/bin/phpcs",