first

.gitignore

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+/node_modules

Dockerfile

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+# Use an official Node.js image from the Docker Hub
+FROM node:18
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy package.json and package-lock.json (if available)
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy the rest of the application code
+COPY . .
+
+# Expose the port the app will run on
+EXPOSE 8080
+
+# Command to start the application
+CMD ["node", "index.js"]

boltic.yaml

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+app: cart-crud
+region: asia-south1
+entrypoint: index.js
+
+build:
+  builtin: dockerfile
+  ignorefile: .gitignore
+
+env:
+  PORT: '8080'
+  

index.js

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+const express = require("express");
+const bodyParser = require("body-parser");
+
+const app = express();
+const PORT = 8080;
+
+// Middleware to parse JSON
+app.use(bodyParser.json());
+
+// In-memory data store for demonstration
+let cartData = {
+  cart: {
+    accessories: {},
+  },
+};
+
+// CREATE - Add or update cart items
+app.post("/cart", (req, res) => {
+  const { cart } = req.body;
+
+  if (!cart) {
+    return res.status(400).json({ error: "Cart data is required" });
+  }
+
+  // Merge new cart data with existing cart data
+  cartData = {
+    ...cartData,
+    cart: {
+      ...cartData.cart,
+      ...cart,
+    },
+  };
+
+  res.status(201).json({
+    message: "Cart updated successfully",
+    cart: cartData,
+  });
+});
+
+// READ - Get the entire cart
+app.get("/cart", (req, res) => {
+  res.json({
+    message: "Cart retrieved successfully",
+    cart: cartData,
+  });
+});
+
+// READ - Get a specific item in the cart
+app.get("/cart/accessories/:key", (req, res) => {
+  const { key } = req.params;
+
+  const item = cartData.cart.accessories[key];
+
+  if (!item) {
+    return res.status(404).json({ error: `Item with key '${key}' not found` });
+  }
+
+  res.json({
+    message: "Item retrieved successfully",
+    item: { [key]: item },
+  });
+});
+
+// UPDATE - Update a specific item in the cart
+app.put("/cart/accessories/:key", (req, res) => {
+  const { key } = req.params;
+  const { value } = req.body;
+
+  if (!value) {
+    return res.status(400).json({ error: "Value is required" });
+  }
+
+  if (!cartData.cart.accessories[key]) {
+    return res.status(404).json({ error: `Item with key '${key}' not found` });
+  }
+
+  // Update the item
+  cartData.cart.accessories[key] = value;
+
+  res.json({
+    message: "Item updated successfully",
+    cart: cartData,
+  });
+});
+
+// DELETE - Remove a specific item from the cart
+app.delete("/cart/accessories/:key", (req, res) => {
+  const { key } = req.params;
+
+  if (!cartData.cart.accessories[key]) {
+    return res.status(404).json({ error: `Item with key '${key}' not found` });
+  }
+
+  // Delete the item
+  delete cartData.cart.accessories[key];
+
+  res.json({
+    message: "Item deleted successfully",
+    cart: cartData,
+  });
+});
+
+// Start the server
+app.listen(PORT, () => {
+  console.log(`Server is running on http://localhost:${PORT}`);
+});

package.json

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+{
+  "name": "test-report",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "ejs": "^3.1.10",
+    "express": "^4.21.1",
+    "nodemon": "^3.1.7"
+  }
+}