imagemin-axios-buffer-example.js

const axios = require('axios');

async function main () {
  const getImg = (url) => {
    return axios.get(url, { responseType: 'arraybuffer' });
  }

  const url = 'https://octodex.github.com/images/original.png';
  const original = await getImg(url);
  console.log('original', { status: original.status, size: original.data.length });

  const optimized = await axios.post('https://ssfy.sh/dev/imagemin/optimizeImage', original.data, {
      headers: {
        'Content-Type': 'application/octet-stream'
      },
      responseType: 'arraybuffer'
  });

  console.log('optimized', { status: optimized.status, size: optimized.data.length });
  return optimized;
}

main();