updated docker information

docker/dev/php/Containerfile

@@ -0,0 +1,36 @@
+FROM docker.io/library/php:8.3-cli
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install system dependencies and PHP extensions needed by the app
+RUN set -eux; \
+    apt-get update; \
+    apt-get install -y --no-install-recommends \
+        git \
+        unzip \
+        libzip-dev \
+        libpng-dev \
+        libjpeg62-turbo-dev \
+        libfreetype6-dev \
+        libicu-dev \
+        libonig-dev \
+        libsqlite3-dev \
+        pkg-config; \
+    docker-php-ext-configure gd --with-freetype --with-jpeg; \
+    docker-php-ext-install -j"$(nproc)" \
+        bcmath \
+        intl \
+        gd \
+        pdo \
+        pdo_mysql \
+        pdo_sqlite \
+        zip; \
+    apt-get clean; \
+    rm -rf /var/lib/apt/lists/*
+
+# Provide Composer for dependency management
+COPY --from=docker.io/library/composer:2 /usr/bin/composer /usr/bin/composer
+
+WORKDIR /var/www/html
+
+CMD ["php", "-v"]