env support docker vuejs.txt

.env

HOSTNAME
HOME
BASH_VERSION

--------

build/create-env.js

var fs = require("fs")
var writeStream = fs.createWriteStream("app-env.js")
writeStream.write("window.APP_ENV = {")

var lineReader = require('readline').createInterface({
    input: require('fs').createReadStream('.env')
})

var i = 0
lineReader.on('line', function (line) {
    if (i!=0) {
        writeStream.write(",")
    }
    writeStream.write(`'${line}':'${process.env[line]}'`)
    i = i+1
}).on('close', function(){
    console.log('end')
    writeStream.write("}")
    writeStream.end()
})

exports
-------------
build/create-env-dev.js

var fs = require("fs")
require('./create-env')
//moves the $file to $dir2
var moveFile = (file, dir2)=>{
  //include the fs, path modules
  var fs = require('fs')
  var path = require('path')

  //gets file name and adds it to dir2
  var f = path.basename(file)
  var dest = path.resolve(dir2, f)

  fs.rename(file, dest, (err)=>{
    if(err) throw err
    else console.log('Successfully moved')
  })
}
//move file1.htm from 'test/' to 'test/dir_1/'
//moveFile('./test/file1.htm', './test/dir_1/');
setTimeout(function () {
  moveFile('app-env.js','static')
}, 3000);

-------------
package.json

  "scripts": {
    "dev": "node build/create-env-dev.js && webpack-dev-server --inline --progress --config build/webpack.dev.conf.js",
    "start": "npm run dev",
    "lint": "eslint --ext .js,.vue src",
    "build": "node build/build.js"
  },
  
  ------------
  
  index.html
  
  <!-- import -->
  <script src="/static/app-env.js"></script>
  
  --------------
  
  create-env.sh
  
rm /usr/share/nginx/html/static/app-env.js
node /app/create-env.js
cp /app/app-env.js /usr/share/nginx/html/static/app-env.js
ls /usr/share/nginx/html/static/
cat /usr/share/nginx/html/static/app-env.js
nginx -g "daemon off;"

--------------

Dockerfile

# production stage
FROM nginx:1.15 as production-stage
# Install Node.js
RUN apt-get update && apt-get install -my wget gnupg \
&& apt-get install --yes curl \
&& curl --silent --location https://deb.nodesource.com/setup_8.x | bash - \
&& apt-get install --yes nodejs \
&& apt-get install --yes build-essential

RUN node -v && rm /etc/nginx/conf.d/default.conf
COPY ./nginx.default.conf /etc/nginx/conf.d/default.conf
WORKDIR /app
COPY ./build/create-env.js .
COPY ./create-env.sh .
COPY ./.env .
COPY ./dist/ /usr/share/nginx/html
RUN chmod +x /app/create-env.sh
ENTRYPOINT bash /app/create-env.sh