Add phpspec, phpstan, php-cs-fixer and composer to docker

Author: nicholasruunu

docker-compose.yaml

@@ -1,6 +1,25 @@
 services:
-    php:
+    php: &php
         image: php:8.3-cli-alpine
         volumes:
             - .:/app
         working_dir: /app
+
+    phpspec:
+        <<: *php
+        entrypoint: vendor/bin/phpspec
+        command: run
+
+    phpstan:
+        <<: *php
+        entrypoint: vendor/bin/phpstan
+
+    php-cs-fixer:
+        <<: *php
+        entrypoint: vendor/bin/php-cs-fixer fix
+
+    composer:
+        image: composer:latest
+        volumes:
+            - .:/app
+        working_dir: /app