added Docker and DockerCompose for server exposure

docker-compose.yaml

@@ -0,0 +1,8 @@
+version: "3.8"
+services:
+  app:
+    build: .
+    ports:
+      - "8000:80" # Map port 8000 on the host to port 80 in the container
+    volumes:
+      - .:/usr/share/nginx/html # Mount the current directory to Nginx's serving directory in the container