Get Image content from aws s3 bucket. **very expensive: cpu/ram/response time**

images.class.js

/* eslint-disable no-unused-vars */
const AWS = require('aws-sdk');
const client = new AWS.S3({
  accessKeyId: process.env.AWS_ACCESS_KEY_ID,
  secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY,
  apiVersion: '2006-03-01',
});
exports.Images = class Images {
  constructor(options, app) {
    this.options = options || {};
    
    this.bucketParams = {
      Bucket: options.bucketName,
    };
    return this;
  }

  async find(params) {
    const geBucketParams = {
      Bucket: this.options.bucketName,
    };
    const bucketContainer = await client.listObjects(geBucketParams).promise();
    for (const image of bucketContainer.Contents) {
      image.payload = await this.setPayload(image);
    }
    if (bucketContainer) {
      return bucketContainer.Contents;
    }
  }
  async setPayload(img) {
    const getObjectParam = {
      Bucket: this.options.bucketName,
      Key: img.Key,
    };
    return await this.getImage(getObjectParam)
      .then((img) => {
        return (
          `data:${img.ContentType};charset=utf-8;base64, ` +
          this.encode(img.Body)
        );
      })
      .catch((e) => {
        console.log('44:e', e);
        return [];
      });
  }
  async getImage(getObjectParam) {
    const data = await client.getObject(getObjectParam).promise();
    return data;
  }

  encode(data) {
    let buf = Buffer.from(data);
    let base64 = buf.toString('base64');
    return base64;
  }
  async get(id) {
    const getObjectParam = {
      Bucket: this.options.bucketName,
      Key: id,
    };

    return this.getImage(getObjectParam)
      .then(async (img) => {
        const data =
          `data:${img.ContentType};charset=utf-8;base64, ` + this.encode(img.Body);
        img.payload = data;
        return img;
      })
      .catch((e) => {
        return [];
      });
  }
  async create(data, params) {
    const createParams = {
      Bucket: this.options.bucketName,
      Key: data.key,
      Body: data.body,
      Metadata: {
        fileType: data.meta,
      },
    };
    const result = await client.putObject(createParams).promise();
    return result;
  }
};