diff --git a/techstack.md b/techstack.md
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--- /dev/null
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+<!--
+&lt;--- Readme.md Snippet without images Start ---&gt;
+## Tech Stack
+AlexcastroDev/LFW211-node-certification is built on the following main stack:
+
+- [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
+- [Python](https://www.python.org) – Languages
+- [Yarn](https://yarnpkg.com/) – Front End Package Manager
+- [axios](https://github.com/mzabriskie/axios) – Javascript Utilities & Libraries
+
+Full tech stack [here](/techstack.md)
+
+&lt;--- Readme.md Snippet without images End ---&gt;
+
+&lt;--- Readme.md Snippet with images Start ---&gt;
+## Tech Stack
+AlexcastroDev/LFW211-node-certification is built on the following main stack:
+
+- <img width='25' height='25' src='https://img.stackshare.io/service/1209/javascript.jpeg' alt='JavaScript'/> [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
+- <img width='25' height='25' src='https://img.stackshare.io/service/993/pUBY5pVj.png' alt='Python'/> [Python](https://www.python.org) – Languages
+- <img width='25' height='25' src='https://img.stackshare.io/service/5848/44mC-kJ3.jpg' alt='Yarn'/> [Yarn](https://yarnpkg.com/) – Front End Package Manager
+- <img width='25' height='25' src='https://img.stackshare.io/no-img-open-source.png' alt='axios'/> [axios](https://github.com/mzabriskie/axios) – Javascript Utilities & Libraries
+
+Full tech stack [here](/techstack.md)
+
+&lt;--- Readme.md Snippet with images End ---&gt;
+-->
+<div align="center">
+
+# Tech Stack File
+![](https://img.stackshare.io/repo.svg "repo") [AlexcastroDev/LFW211-node-certification](https://github.com/AlexcastroDev/LFW211-node-certification)![](https://img.stackshare.io/public_badge.svg "public")
+<br/><br/>
+|9<br/>Tools used|02/29/24 <br/>Report generated|
+|------|------|
+</div>
+
+## <img src='https://img.stackshare.io/languages.svg'/> Languages (2)
+<table><tr>
+  <td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/1209/javascript.jpeg' alt='JavaScript'>
+  <br>
+  <sub><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript">JavaScript</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/993/pUBY5pVj.png' alt='Python'>
+  <br>
+  <sub><a href="https://www.python.org">Python</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+</tr>
+</table>
+
+## <img src='https://img.stackshare.io/devops.svg'/> DevOps (3)
+<table><tr>
+  <td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/1046/git.png' alt='Git'>
+  <br>
+  <sub><a href="http://git-scm.com/">Git</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/5848/44mC-kJ3.jpg' alt='Yarn'>
+  <br>
+  <sub><a href="https://yarnpkg.com/">Yarn</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/1120/lejvzrnlpb308aftn31u.png' alt='npm'>
+  <br>
+  <sub><a href="https://www.npmjs.com/">npm</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+</tr>
+</table>
+
+## Other (1)
+<table><tr>
+  <td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/no-img-open-source.png' alt='axios'>
+  <br>
+  <sub><a href="https://github.com/mzabriskie/axios">axios</a></sub>
+  <br>
+  <sub>v0.22.0</sub>
+</td>
+
+</tr>
+</table>
+
+
+## <img src='https://img.stackshare.io/group.svg' /> Open source packages (3)</h2>
+
+## <img width='24' height='24' src='https://img.stackshare.io/service/1120/lejvzrnlpb308aftn31u.png'/> npm (3)
+
+|NAME|VERSION|LAST UPDATED|LAST UPDATED BY|LICENSE|VULNERABILITIES|
+|:------|:------|:------|:------|:------|:------|
+|[pino](https://www.npmjs.com/pino)|v8.11.0|03/25/23|Alex Oliveira |MIT|N/A|
+|[standard](https://www.npmjs.com/standard)|v17.0.0|03/25/23|Alex Oliveira |MIT|N/A|
+|[tap](https://www.npmjs.com/tap)|v16.3.4|04/20/23|Alex Oliveira |ISC|N/A|
+
+<br/>
+<div align='center'>
+
+Generated via [Stack File](https://github.com/marketplace/stack-file)
diff --git a/techstack.yml b/techstack.yml
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--- /dev/null
+++ b/techstack.yml
@@ -0,0 +1,122 @@
+repo_name: AlexcastroDev/LFW211-node-certification
+report_id: 7cb08a495fca447698302c7dd6100f30
+version: 0.1
+repo_type: Public
+timestamp: '2024-02-29T19:22:10+00:00'
+requested_by: AlexcastroDev
+provider: github
+branch: main
+detected_tools_count: 9
+tools:
+- name: JavaScript
+  description: Lightweight, interpreted, object-oriented language with first-class
+    functions
+  website_url: https://developer.mozilla.org/en-US/docs/Web/JavaScript
+  open_source: true
+  hosted_saas: false
+  category: Languages & Frameworks
+  sub_category: Languages
+  image_url: https://img.stackshare.io/service/1209/javascript.jpeg
+  detection_source_url: https://github.com/AlexcastroDev/LFW211-node-certification
+  detection_source: Repo Metadata
+- name: Python
+  description: A clear and powerful object-oriented programming language, comparable
+    to Perl, Ruby, Scheme, or Java.
+  website_url: https://www.python.org
+  open_source: true
+  hosted_saas: false
+  category: Languages & Frameworks
+  sub_category: Languages
+  image_url: https://img.stackshare.io/service/993/pUBY5pVj.png
+  detection_source_url: https://github.com/AlexcastroDev/LFW211-node-certification
+  detection_source: Repo Metadata
+- name: Git
+  description: Fast, scalable, distributed revision control system
+  website_url: http://git-scm.com/
+  open_source: true
+  hosted_saas: false
+  category: Build, Test, Deploy
+  sub_category: Version Control System
+  image_url: https://img.stackshare.io/service/1046/git.png
+  detection_source_url: https://github.com/AlexcastroDev/LFW211-node-certification
+  detection_source: Repo Metadata
+- name: Yarn
+  description: A new package manager for JavaScript
+  website_url: https://yarnpkg.com/
+  open_source: true
+  hosted_saas: false
+  category: Build, Test, Deploy
+  sub_category: Front End Package Manager
+  image_url: https://img.stackshare.io/service/5848/44mC-kJ3.jpg
+  detection_source_url: https://github.com/AlexcastroDev/LFW211-node-certification/blob/main/12_streams/AsyncPipeline/yarn.lock
+  detection_source: 12_streams/AsyncPipeline/yarn.lock
+  last_updated_by: Alex Oliveira
+  last_updated_on: 2023-06-18 14:02:27.000000000 Z
+- name: npm
+  description: The package manager for JavaScript.
+  website_url: https://www.npmjs.com/
+  open_source: false
+  hosted_saas: false
+  category: Build, Test, Deploy
+  sub_category: Front End Package Manager
+  image_url: https://img.stackshare.io/service/1120/lejvzrnlpb308aftn31u.png
+  detection_source_url: https://github.com/AlexcastroDev/LFW211-node-certification/blob/main/7_module_system/converting-cjs-package/package.json
+  detection_source: 7_module_system/converting-cjs-package/package.json
+  last_updated_by: Alex Oliveira
+  last_updated_on: 2023-03-25 22:34:10.000000000 Z
+- name: axios
+  description: Promise based HTTP client for the browser and node.js
+  website_url: https://github.com/mzabriskie/axios
+  version: 0.22.0
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Libraries
+  sub_category: Javascript Utilities & Libraries
+  image_url: https://img.stackshare.io/no-img-open-source.png
+  detection_source_url: https://github.com/AlexcastroDev/LFW211-node-certification/blob/main/12_streams/AsyncPipeline/package-lock.json
+  detection_source: 12_streams/AsyncPipeline/package.json
+  last_updated_by: Alex Oliveira
+  last_updated_on: 2023-06-18 14:02:27.000000000 Z
+- name: pino
+  description: Super fast, all natural json logger
+  package_url: https://www.npmjs.com/pino
+  version: 8.11.0
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Libraries
+  sub_category: npm Packages
+  image_url: https://img.stackshare.io/package/16974/default_192373fe2b3ded7bb442c39dbf0f34ca3e5bed5d.png
+  detection_source_url: https://github.com/AlexcastroDev/LFW211-node-certification/blob/main/7_module_system/converting-cjs-package/yarn.lock
+  detection_source: 7_module_system/converting-cjs-example/package.json
+  last_updated_by: Alex Oliveira
+  last_updated_on: 2023-03-25 22:34:10.000000000 Z
+- name: standard
+  description: JavaScript Standard Style
+  package_url: https://www.npmjs.com/standard
+  version: 17.0.0
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Libraries
+  sub_category: npm Packages
+  image_url: https://img.stackshare.io/package/15878/default_7c39a83d4acd952df89b1ebfdb94c8646324fbf1.png
+  detection_source_url: https://github.com/AlexcastroDev/LFW211-node-certification/blob/main/7_module_system/converting-cjs-package/yarn.lock
+  detection_source: 7_module_system/converting-cjs-package/package.json
+  last_updated_by: Alex Oliveira
+  last_updated_on: 2023-03-25 22:34:10.000000000 Z
+- name: tap
+  description: A Test-Anything-Protocol library for JavaScript
+  package_url: https://www.npmjs.com/tap
+  version: 16.3.4
+  license: ISC
+  open_source: true
+  hosted_saas: false
+  category: Libraries
+  sub_category: npm Packages
+  image_url: https://img.stackshare.io/package/16027/default_af9df0bc9fa88191d2fe609204c5bd7599c1a797.png
+  detection_source_url: https://github.com/AlexcastroDev/LFW211-node-certification/blob/main/16_writing_unit_tests/tap_test/yarn.lock
+  detection_source: 16_writing_unit_tests/tap_test/package.json
+  last_updated_by: Alex Oliveira
+  last_updated_on: 2023-04-20 00:15:41.000000000 Z