feat: add Dockerfile and docker-compose.yml for Coolify deployment

Dockerfile

@@ -0,0 +1,21 @@
+FROM php:8.2-apache
+
+# Install PDO MySQL extension
+RUN docker-php-ext-install pdo pdo_mysql
+
+# Enable Apache mod_rewrite
+RUN a2enmod rewrite
+
+# Configure PHP settings for upload limit (matching application config 10MB limit)
+RUN echo "upload_max_filesize = 16M" > /usr/local/etc/php/conf.d/uploads.ini \
+    && echo "post_max_size = 16M" >> /usr/local/etc/php/conf.d/uploads.ini \
+    && echo "memory_limit = 256M" >> /usr/local/etc/php/conf.d/uploads.ini
+
+# Copy application source code
+COPY . /var/www/html/
+
+# Set correct permissions
+RUN chown -R www-data:www-data /var/www/html/
+
+# Expose port 80
+EXPOSE 80

docker-compose.yml

@@ -0,0 +1,35 @@
+version: '3.8'
+
+services:
+  web:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: poverty_map_web
+    restart: always
+    environment:
+      - DB_HOST=db
+      - DB_USER=${DB_USER:-root}
+      - DB_PASS=${DB_PASS:-secret}
+      - DB_NAME=${DB_NAME:-poverty_map}
+      - BASE_URL=${BASE_URL:-http://localhost}
+    ports:
+      - "80:80"
+    depends_on:
+      - db
+
+  db:
+    image: mariadb:10.11
+    container_name: poverty_map_db
+    restart: always
+    environment:
+      - MARIADB_ROOT_PASSWORD=${DB_PASS:-secret}
+      - MARIADB_DATABASE=${DB_NAME:-poverty_map}
+    volumes:
+      - db_data:/var/lib/mysql
+      - ./database.sql:/docker-entrypoint-initdb.d/init.sql:ro
+    ports:
+      - "3306:3306"
+
+volumes:
+  db_data: