Add Dockerfile and docker-compose for container support

Dockerfile

@@ -0,0 +1,18 @@
+# Use a lightweight Node image
+FROM node:18-alpine
+
+# Create app directory
+WORKDIR /app
+
+# Copy all files into the container
+COPY . .
+
+# Install a static file server globally
+RUN npm install -g http-server
+
+# Expose the port http-server runs on
+EXPOSE 8080
+
+# Run the server
+CMD ["http-server", ".", "-p", "8080"]
+

docker-compose.yml

@@ -0,0 +1,9 @@
+version: '3.8'
+
+services:
+  todolist:
+    build: .
+    ports:
+      - "8080:8080"
+    container_name: todo-app
+