add docker

Dockerfile

@@ -0,0 +1,13 @@
+FROM ubuntu:22.04
+
+# Install dependencies
+RUN apt update
+RUN apt install nginx php-fpm php-gd -y
+
+# Set up nginx
+COPY ./conf/nginx.conf /etc/nginx/nginx.conf
+RUN mkdir -p /var/www/html
+COPY ./upload.php /var/www/html/index.php
+
+# Start NGINX
+CMD ["nginx", "-g", "daemon off;"]