backend files

backend/Dockerfile

@@ -0,0 +1,20 @@
+# Use Node.js LTS as the base image
+FROM node:18-slim
+
+# Create and change to the app directory
+WORKDIR /usr/src/app
+
+# Copy package.json and package-lock.json
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install --production
+
+# Copy the rest of the application code
+COPY . .
+
+# Expose the port the app runs on
+EXPOSE 3001
+
+# Command to run the application
+CMD [ "node", "index.js" ]