add Docker setup

Dockerfile

@@ -0,0 +1,49 @@
+# Multi-stage build for smaller final image
+FROM php:8.4-fpm-alpine AS base
+
+# Install system dependencies
+RUN apk add --no-cache \
+    nginx \
+    supervisor \
+    curl \
+    zip \
+    unzip \
+    git \
+    oniguruma-dev \
+    libpng-dev \
+    libjpeg-turbo-dev \
+    freetype-dev \
+    libzip-dev \
+    postgresql-dev \
+    mysql-client
+
+# Install PHP extensions
+RUN docker-php-ext-configure gd --with-freetype --with-jpeg \
+    && docker-php-ext-install pdo pdo_mysql pdo_pgsql mbstring exif pcntl bcmath gd zip
+
+# Install Composer
+COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
+
+# Set working directory
+WORKDIR /var/www/html
+
+# Copy config files
+COPY docker/etc/nginx/http.d/default.conf /etc/nginx/http.d/default.conf
+COPY docker/etc/supervisor/conf.d/supervisord.conf /etc/supervisor/conf.d/supervisord.conf
+COPY docker/start.sh ./start.sh
+COPY .env.example ./.env
+
+# Copy application files
+COPY . .
+
+# Install dependencies
+RUN composer install --no-dev --optimize-autoloader
+
+# Set permissions
+RUN chown -R www-data:www-data /var/www/html/storage /var/www/html/bootstrap/cache \
+    && chmod -R 775 /var/www/html/storage /var/www/html/bootstrap/cache
+
+
+EXPOSE 80
+
+CMD ["./start.sh"]