Added Nodejs sample

Author: UlisesGascon

aws.js

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+const AWS = require('aws-sdk')
+require('dotenv').config()
+
+const credentials = {
+   accessKeyId: process.env.AWS_ACCESS_KEY_ID,
+   secretAccessKey: process.env.AWS_SECRET_KEY,
+}
+
+const useLocal = process.env.NODE_ENV !== 'production'
+
+const bucketName = process.env.AWS_BUCKET_NAME
+
+const s3client = new AWS.S3({
+    s3BucketEndpoint: true,
+   credentials,
+   /**
+    * When working locally, we'll use the Localstack endpoints. This is the one for S3.
+    * A full list of endpoints for each service can be found in the Localstack docs.
+    */
+   endpoint: useLocal ? 'http://localhost:4572' : undefined,
+})
+
+
+const uploadFile = async (data, name) =>
+   new Promise((resolve) => {
+      s3client.upload(
+         {
+            Bucket: bucketName,
+            /*
+               include the bucket name here. For some reason Localstack needs it.
+               see: https://github.com/localstack/localstack/issues/1180
+            */
+            Key: `${bucketName}/${name}`,
+            Body: data,
+         },
+         (err, response) => {
+            if (err) throw err
+            resolve(response)
+         },
+      )
+   })
+
+module.exports = uploadFile

cute_cat.jpg

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+{
+  "name": "sample-terraform-localstack",
+  "version": "1.0.0",
+  "description": "Sample project to use Terraform, Localstack (AWS Local) and Docker compose with Nodejs.",
+  "main": "upload-demo.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/UlisesGascon/sample-terraform-localstack.git"
+  },
+  "author": "Ulises Gascón",
+  "license": "AGPL-3.0",
+  "bugs": {
+    "url": "https://github.com/UlisesGascon/sample-terraform-localstack/issues"
+  },
+  "homepage": "https://github.com/UlisesGascon/sample-terraform-localstack#readme",
+  "dependencies": {
+    "aws-sdk": "^2.493.0",
+    "dotenv": "^8.0.0"
+  }
+}

package-lock.json

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+
+const fs = require('fs')
+const path = require('path')
+const uploadFile = require('./aws')
+
+const testUpload = () => {
+   const filePath = path.resolve(__dirname, 'cute_cat.jpg')
+   const fileStream = fs.createReadStream(filePath)
+   const fileName = `test-image-${new Date().toISOString()}.jpg`
+   uploadFile(fileStream, fileName).then(console.log).catch((err) => {
+      console.log(`[ERROR] ${err}`)
+   })
+}
+
+testUpload()