Why Netlify Run Time Error shows while deploying? - node.js

Question

"scripts": {
"test": "echo "Error: no test specified" && exit 1",
"start": "nodemon index.js"
}
netlify shows
9:32:09 PM: build-image version: 01daab3416c9da7032f1dcdb8b1adffdaf5ccb74 (focal)
9:32:09 PM: buildbot version: 01daab3416c9da7032f1dcdb8b1adffdaf5ccb74
9:32:09 PM: Fetching cached dependencies
9:32:09 PM: Failed to fetch cache, continuing with build
9:32:09 PM: Starting to prepare the repo for build
9:32:10 PM: No cached dependencies found. Cloning fresh repo
9:32:10 PM: git clone --filter=blob:none https://github.com/abak02/medicine-shop
9:32:10 PM: Preparing Git Reference refs/heads/master
9:32:11 PM: Parsing package.json dependencies
9:32:12 PM: Starting build script
9:32:12 PM: Installing dependencies
9:32:12 PM: Python version set to 2.7
9:32:13 PM: v16.19.0 is already installed.
9:32:13 PM: Now using node v16.19.0 (npm v8.19.3)
9:32:13 PM: Enabling Node.js Corepack
9:32:13 PM: Started restoring cached build plugins
9:32:13 PM: Finished restoring cached build plugins
9:32:13 PM: Attempting Ruby version 2.7.2, read from environment
9:32:14 PM: Using Ruby version 2.7.2
9:32:14 PM: Using PHP version 8.0
9:32:14 PM: Started restoring cached corepack dependencies
9:32:14 PM: Finished restoring cached corepack dependencies
9:32:14 PM: No npm workspaces detected
9:32:14 PM: Started restoring cached node modules
9:32:14 PM: Finished restoring cached node modules
9:32:15 PM: Installing npm packages using npm version 8.19.3
9:32:17 PM: added 200 packages, and audited 201 packages in 2s
9:32:17 PM: 18 packages are looking for funding
9:32:17 PM: run npm fund for details
9:32:17 PM: found 0 vulnerabilities
9:32:17 PM: npm packages installed
9:32:17 PM: Started restoring cached go cache
9:32:17 PM: Finished restoring cached go cache
9:32:17 PM: go version go1.19.5 linux/amd64
9:32:17 PM: Detected 0 framework(s)
9:32:17 PM: Installing missing commands
9:32:17 PM: Verify run directory
9:32:17 PM: Section completed: initializing
9:32:19 PM: ​
9:32:19 PM: Netlify Build
9:32:19 PM: ────────────────────────────────────────────────────────────────
9:32:19 PM: ​
9:32:19 PM: ❯ Version
9:32:19 PM: #netlify/build 29.5.4
9:32:19 PM: ​
9:32:19 PM: ❯ Flags
9:32:19 PM: baseRelDir: true
9:32:19 PM: buildId: 63ea57f258aa1f2e036784c2
9:32:19 PM: deployId: 63ea57f258aa1f2e036784c4
9:32:19 PM: ​
9:32:19 PM: ❯ Current directory
9:32:19 PM: /opt/build/repo
9:32:19 PM: ​
9:32:19 PM: ❯ Config file
9:32:19 PM: No config file was defined: using default values.
9:32:19 PM: ​
9:32:19 PM: ❯ Context
9:32:19 PM: production
9:32:19 PM: ​
9:32:19 PM: 1. Build command from Netlify app
9:32:19 PM: ────────────────────────────────────────────────────────────────
9:32:19 PM: ​
9:32:19 PM: $ npm start
9:32:19 PM: > drug-website#1.0.0 start
9:32:19 PM: > nodemon index.js
9:32:19 PM: [nodemon] 2.0.20
9:32:19 PM: [nodemon] to restart at any time, enter rs
9:32:19 PM: [nodemon] watching path(s): .
9:32:19 PM: [nodemon] watching extensions: js,mjs,json
9:32:19 PM: [nodemon] starting node index.js
10:18:05 PM: Build exceeded maximum allowed runtime
Deploy a nodejs project but runtime error

Answer 1

9:32:19 PM: $ npm start
9:32:19 PM: drug-website#1.0.0 start
9:32:19 PM: nodemon index.js
9:32:19 PM: [nodemon] 2.0.20
9:32:19 PM: [nodemon] to restart at any time, enter rs
9:32:19 PM: [nodemon] watching path(s): .
9:32:19 PM: [nodemon] watching extensions: js,mjs,json
9:32:19 PM: [nodemon] starting node index.js
10:18:05 PM: Build exceeded maximum allowed runtime
The problem is in that part. Netlify is meant to run static apps. Your build process should run some commands and "exit" the process with some output. You can't run a server in the build process that waits for eternity.