Docker File NPM run build from environment variable

build.sh

# Docker version 20.10.5, build 55c4c88

# Default argument
docker build . --progress plain --no-cache

# Passed argument
docker build . --progress plain --no-cache --build-arg APP_ENV=prod

Dockerfile

FROM node:alpine

COPY . .

ARG APP_ENV=dev

RUN npm run build:$APP_ENV

package.json

{
  "name": "docker",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "build:dev": "echo \"hello KKKKKKKKKKKKKKKKKKKKK\"",
    "build:prod": "echo \"hello AAAAAAAAAAAAAAAAAAAAAA\""
  },
  "author": "",
  "license": "ISC"
}