refactor: restructure environment

docker/Dockerfile

@@ -1,23 +1,36 @@
-ARG PHP_VERSION=8.3-fpm
-FROM php:${PHP_VERSION}
+FROM php:8.3-fpm
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     libpng-dev libonig-dev libxml2-dev libzip-dev \
-    zip unzip git \
+    zip unzip git gosu \
     netcat-traditional \
 && docker-php-ext-install pdo_mysql mbstring exif pcntl bcmath gd zip \
 && apt-get clean && rm -rf /var/lib/apt/lists/*
 
 COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
 
-COPY --chown=www-data:www-data ./docker/docker-entrypoint.sh /usr/local/bin/
-COPY ./docker/php-fpm.conf /usr/local/etc/php-fpm.d/zz-docker.conf
+ARG UID
+ARG GID
 
-RUN chmod +x /usr/local/bin/docker-entrypoint.sh
+# Create a new user with the specified UID and GID, reusing an existing group if GID exists
+# and update php-fpm to use the new user and group
+RUN if getent group ${GID}; then \
+      group_name=$(getent group ${GID} | cut -d: -f1); \
+      useradd -m -u ${UID} -g ${GID} -s /bin/bash www; \
+    else \
+      groupadd -g ${GID} www && \
+      useradd -m -u ${UID} -g www -s /bin/bash www; \
+      group_name=www; \
+    fi
+
+# Update php-fpm to use the new user and group
+RUN sed -i "s/user = www-data/user = www/g" /usr/local/etc/php-fpm.d/www.conf && \
+    sed -i "s/group = www-data/group = $group_name/g" /usr/local/etc/php-fpm.d/www.conf
+
+COPY ./docker/entrypoint.sh /usr/local/bin/
+RUN chmod +x /usr/local/bin/entrypoint.sh
 
-USER www-data
 WORKDIR /var/www
-
 EXPOSE 9000
-ENTRYPOINT ["docker-entrypoint.sh"]
+ENTRYPOINT ["entrypoint.sh"]
 CMD ["php-fpm"]