feat: add basic Docker configuration for backend and frontend services

backend/Dockerfile

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+FROM php:8.3-fpm-bullseye
+
+# Update the system
+RUN apt update -y
+RUN apt upgrade -y
+
+RUN apt install -y build-essential
+RUN apt install -y libonig-dev zlib1g-dev libpng-dev libicu-dev libzip-dev libjpeg-dev libfreetype6-dev libwebp-dev libavif-dev libxpm-dev
+RUN apt install -y nano procps git
+
+# Install extensions
+RUN docker-php-ext-install -j$(nproc) mbstring
+RUN docker-php-ext-install -j$(nproc) intl
+RUN docker-php-ext-install -j$(nproc) pdo_mysql
+RUN docker-php-ext-install -j$(nproc) zip
+RUN pecl install zstd
+RUN docker-php-ext-enable zstd
+
+# Install GD module  
+RUN docker-php-ext-configure gd --enable-gd --with-freetype --with-jpeg=/usr/local/lib --with-webp --with-xpm --with-avif
+RUN docker-php-ext-install -j$(nproc) gd
+
+# Install EXIF module
+RUN docker-php-ext-configure exif --enable-exif
+RUN docker-php-ext-install -j$(nproc) exif
+
+# Install OPCache
+RUN docker-php-ext-configure opcache --enable-opcache
+RUN docker-php-ext-install -j$(nproc) opcache
+
+# Install Composer
+COPY --from=composer:latest /usr/bin/composer /usr/local/bin/composer
+
+# Add extra configuration options
+RUN echo 'memory_limit = 1024M' >> /usr/local/etc/php/conf.d/docker-php-memlimit.ini;
+RUN echo 'opcache.memory_consumption = 256' >> /usr/local/etc/php/conf.d/docker-php-opcache.ini;
+RUN echo 'max_execution_time = 180' >> /usr/local/etc/php/conf.d/docker-php-exec-time.ini;
+RUN echo 'pm.max_children = 32' >> /usr/local/etc/php-fpm.d/zz-docker.conf;
+RUN echo 'pm.max_requests = 32' >> /usr/local/etc/php-fpm.d/zz-docker.conf;
+RUN echo 'listen.backlog = 256' >> /usr/local/etc/php-fpm.d/zz-docker.conf;
+
+# OPCache tuning
+RUN echo 'opcache.enable_file_override=1' >> /usr/local/etc/php/conf.d/docker-php-opcache.ini;
+RUN echo 'opcache.interned_strings_buffer=20' >> /usr/local/etc/php/conf.d/docker-php-opcache.ini;
+
+# Performance optimizations
+RUN echo 'zend.assertions=-1' >> /usr/local/etc/php/conf.d/docker-php-sw-opts.ini;
+RUN echo 'zend.detect_unicode=0' >> /usr/local/etc/php/conf.d/docker-php-sw-opts.ini;
+RUN echo 'realpath_cache_ttl=3600' >> /usr/local/etc/php/conf.d/docker-php-sw-opts.ini;
+
+# Copy the backend project
+COPY . /app
+
+# Run composer
+WORKDIR /app
+RUN composer install
+
+# Fix permissions
+RUN chgrp -R 33 /app
+RUN chown -hR 33:33 /app
+
+# Remove .env if copied
+RUN rm /app/.env
+
+# Copy the entrypoint script
+COPY ./docker/entrypoint.sh /entrypoint.sh
+# Make it executable
+RUN chmod +x /entrypoint.sh
+
+STOPSIGNAL SIGTERM
+
+# Run php-fpm
+CMD ["/entrypoint.sh"]

backend/docker/entrypoint.sh

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+#!/bin/bash
+
+function exit_container_SIGTERM(){
+  echo "Caught SIGTERM"
+  exit 0
+}
+trap exit_container_SIGTERM SIGTERM
+
+echo "Setting /app/public ownership..."
+chgrp -R 33 /app
+chown -hR 33:33 /app
+
+echo "Starting PHP-FPM..."
+php-fpm -F & wait