Download S3 Image File

• Node endpoint to download files within s3 bucket
• Make sure you have all the proper env configs

Code

const AWS = require("aws-sdk");

AWS.config.update({
  accessKeyId: process.env["ACCESS_KEY_ID"],
  secretAccessKey: process.env["SECRET_ACCESS_KEY"],
  region: process.env["REGION"],
});

const s3 = new AWS.S3();

export default async function handler(req, res) {
  try {
    const { key } = req.query;
    if (!key) {
      return res.status(400).json({ error: "File key is required" });
    }

    const params = {
      Bucket: process.env["BUCKET"],
      Key: key,
    };

    const data = await s3.getObject(params).promise();
    if (!data.Body) {
      return res.status(404).json({ error: "File not found" });
    }

    res.setHeader("Content-Type", "image/jpeg");
    res.end(data.Body, "binary");
  } catch (error) {
    console.error(error);
    res.status(500).json({ error: "Internal server error" });
  }
}