diff --git a/techstack.md b/techstack.md
new file mode 100644
index 0000000..26f5706
--- /dev/null
+++ b/techstack.md
@@ -0,0 +1,289 @@
+<!--
+&lt;--- Readme.md Snippet without images Start ---&gt;
+## Tech Stack
+yunnysunny/nodebook-sample is built on the following main stack:
+
+- [C++](http://www.cplusplus.com/) – Languages
+- [EJS](https://ejs.co/) – Templating Languages & Extensions
+- [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
+- [Python](https://www.python.org) – Languages
+- [.NET](http://www.microsoft.com/net/) – Frameworks (Full Stack)
+- [ExpressJS](http://expressjs.com/) – Microframeworks (Backend)
+- [Mongoose](http://mongoosejs.com/) – Object Document Mapper (ODM)
+- [Redis](http://redis.io/) – In-Memory Databases
+- [Chai](http://chaijs.com/) – Javascript Testing Framework
+- [ESLint](http://eslint.org/) – Code Review
+- [Mocha](http://mochajs.org/) – Javascript Testing Framework
+- [Prometheus](http://prometheus.io/) – Monitoring Tools
+- [SinonJS](http://sinonjs.org/) – Javascript Testing Framework
+- [Snyk](https://snyk.io/) – Dependency Monitoring
+- [SuperTest](https://www.npmjs.com/package/supertest) – Javascript Testing Framework
+- [Yarn](https://yarnpkg.com/) – Front End Package Manager
+
+Full tech stack [here](/techstack.md)
+
+&lt;--- Readme.md Snippet without images End ---&gt;
+
+&lt;--- Readme.md Snippet with images Start ---&gt;
+## Tech Stack
+yunnysunny/nodebook-sample is built on the following main stack:
+
+- <img width='25' height='25' src='https://img.stackshare.io/service/1049/cplusplus.png' alt='C++'/> [C++](http://www.cplusplus.com/) – Languages
+- <img width='25' height='25' src='https://img.stackshare.io/no-img-open-source.png' alt='EJS'/> [EJS](https://ejs.co/) – Templating Languages & Extensions
+- <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/1014/IoPy1dce_400x400.png' alt='.NET'/> [.NET](http://www.microsoft.com/net/) – Frameworks (Full Stack)
+- <img width='25' height='25' src='https://img.stackshare.io/service/1163/hashtag.png' alt='ExpressJS'/> [ExpressJS](http://expressjs.com/) – Microframeworks (Backend)
+- <img width='25' height='25' src='https://img.stackshare.io/service/1231/0TXzZU7W_400x400.jpg' alt='Mongoose'/> [Mongoose](http://mongoosejs.com/) – Object Document Mapper (ODM)
+- <img width='25' height='25' src='https://img.stackshare.io/service/1031/default_cbce472cd134adc6688572f999e9122b9657d4ba.png' alt='Redis'/> [Redis](http://redis.io/) – In-Memory Databases
+- <img width='25' height='25' src='https://img.stackshare.io/service/1725/chai.png' alt='Chai'/> [Chai](http://chaijs.com/) – Javascript Testing Framework
+- <img width='25' height='25' src='https://img.stackshare.io/service/3337/Q4L7Jncy.jpg' alt='ESLint'/> [ESLint](http://eslint.org/) – Code Review
+- <img width='25' height='25' src='https://img.stackshare.io/service/832/mocha.png' alt='Mocha'/> [Mocha](http://mochajs.org/) – Javascript Testing Framework
+- <img width='25' height='25' src='https://img.stackshare.io/service/2501/default_3cf1b307194b26782be5cb209d30360580ae5b3c.png' alt='Prometheus'/> [Prometheus](http://prometheus.io/) – Monitoring Tools
+- <img width='25' height='25' src='https://img.stackshare.io/service/3509/logo.png' alt='SinonJS'/> [SinonJS](http://sinonjs.org/) – Javascript Testing Framework
+- <img width='25' height='25' src='https://img.stackshare.io/service/5326/6p1SNAJu.jpg' alt='Snyk'/> [Snyk](https://snyk.io/) – Dependency Monitoring
+- <img width='25' height='25' src='https://img.stackshare.io/no-img-open-source.png' alt='SuperTest'/> [SuperTest](https://www.npmjs.com/package/supertest) – Javascript Testing Framework
+- <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
+
+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") [yunnysunny/nodebook-sample](https://github.com/yunnysunny/nodebook-sample)![](https://img.stackshare.io/public_badge.svg "public")
+<br/><br/>
+|43<br/>Tools used|02/29/24 <br/>Report generated|
+|------|------|
+</div>
+
+## <img src='https://img.stackshare.io/languages.svg'/> Languages (5)
+<table><tr>
+  <td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/1049/cplusplus.png' alt='C++'>
+  <br>
+  <sub><a href="http://www.cplusplus.com/">C++</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/6727/css.png' alt='CSS 3'>
+  <br>
+  <sub><a href="https://developer.mozilla.org/en-US/docs/Web/CSS/CSS3">CSS 3</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/no-img-open-source.png' alt='EJS'>
+  <br>
+  <sub><a href="https://ejs.co/">EJS</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<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/frameworks.svg'/> Frameworks (2)
+<table><tr>
+  <td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/1014/IoPy1dce_400x400.png' alt='.NET'>
+  <br>
+  <sub><a href="http://www.microsoft.com/net/">.NET</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/1163/hashtag.png' alt='ExpressJS'>
+  <br>
+  <sub><a href="http://expressjs.com/">ExpressJS</a></sub>
+  <br>
+  <sub>v4.16.0</sub>
+</td>
+
+</tr>
+</table>
+
+## <img src='https://img.stackshare.io/databases.svg'/> Data (2)
+<table><tr>
+  <td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/1231/0TXzZU7W_400x400.jpg' alt='Mongoose'>
+  <br>
+  <sub><a href="http://mongoosejs.com/">Mongoose</a></sub>
+  <br>
+  <sub>v5.0.0</sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/1031/default_cbce472cd134adc6688572f999e9122b9657d4ba.png' alt='Redis'>
+  <br>
+  <sub><a href="http://redis.io/">Redis</a></sub>
+  <br>
+  <sub>v2.3.0</sub>
+</td>
+
+</tr>
+</table>
+
+## <img src='https://img.stackshare.io/devops.svg'/> DevOps (11)
+<table><tr>
+  <td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/1725/chai.png' alt='Chai'>
+  <br>
+  <sub><a href="http://chaijs.com/">Chai</a></sub>
+  <br>
+  <sub>v3.5.0</sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/3337/Q4L7Jncy.jpg' alt='ESLint'>
+  <br>
+  <sub><a href="http://eslint.org/">ESLint</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<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/832/mocha.png' alt='Mocha'>
+  <br>
+  <sub><a href="http://mochajs.org/">Mocha</a></sub>
+  <br>
+  <sub>v5.2.0</sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/2637/6I3oEOP4_400x400.jpg' alt='NuGet'>
+  <br>
+  <sub><a href="https://www.nuget.org/">NuGet</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/2501/default_3cf1b307194b26782be5cb209d30360580ae5b3c.png' alt='Prometheus'>
+  <br>
+  <sub><a href="http://prometheus.io/">Prometheus</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/3509/logo.png' alt='SinonJS'>
+  <br>
+  <sub><a href="http://sinonjs.org/">SinonJS</a></sub>
+  <br>
+  <sub>v10.0.0</sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/5326/6p1SNAJu.jpg' alt='Snyk'>
+  <br>
+  <sub><a href="https://snyk.io/">Snyk</a></sub>
+  <br>
+  <sub>v1.192.3</sub>
+</td>
+
+</tr>
+<tr>
+  <td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/no-img-open-source.png' alt='SuperTest'>
+  <br>
+  <sub><a href="https://www.npmjs.com/package/supertest">SuperTest</a></sub>
+  <br>
+  <sub>v2.0.0</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/service/3962/pBeeJQDQ_normal.png' alt='log4js'>
+  <br>
+  <sub><a href="http://stritti.github.io/log4js/">log4js</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+</tr>
+</table>
+
+
+## <img src='https://img.stackshare.io/group.svg' /> Open source packages (22)</h2>
+
+## <img width='24' height='24' src='https://img.stackshare.io/service/1120/lejvzrnlpb308aftn31u.png'/> npm (22)
+
+|NAME|VERSION|LAST UPDATED|LAST UPDATED BY|LICENSE|VULNERABILITIES|
+|:------|:------|:------|:------|:------|:------|
+|[async](https://www.npmjs.com/async)|v1.5.0|01/07/18|yunnysunny |MIT|N/A|
+|[body-parser](https://www.npmjs.com/body-parser)|v1.18.2|05/03/19|snyk-bot |MIT|N/A|
+|[connect-redis](https://www.npmjs.com/connect-redis)|v3.0.2|01/07/18|yunnysunny |MIT|N/A|
+|[cookie-parser](https://www.npmjs.com/cookie-parser)|v1.3.5|05/03/19|snyk-bot |MIT|N/A|
+|[csurf](https://www.npmjs.com/csurf)|v1.9.0|01/07/18|yunnysunny |MIT|N/A|
+|[debug](https://www.npmjs.com/debug)|v2.6.9|05/03/19|snyk-bot |MIT|N/A|
+|[eslint-config-airbnb-base](https://www.npmjs.com/eslint-config-airbnb-base)|v15.0.0|01/10/22|yunnysunny |MIT|N/A|
+|[eslint-config-standard](https://www.npmjs.com/eslint-config-standard)|v16.0.3|01/10/22|yunnysunny |MIT|N/A|
+|[eslint-plugin-import](https://www.npmjs.com/eslint-plugin-import)|v2.25.4|01/10/22|yunnysunny |MIT|N/A|
+|[eslint-plugin-node](https://www.npmjs.com/eslint-plugin-node)|v11.1.0|01/10/22|yunnysunny |MIT|N/A|
+|[eslint-plugin-promise](https://www.npmjs.com/eslint-plugin-promise)|v5.2.0|01/10/22|yunnysunny |ISC|N/A|
+|[expect.js](https://www.npmjs.com/expect.js)|v0.3.1|01/07/18|yunnysunny |MIT|N/A|
+|[express](https://www.npmjs.com/express)|v4.16.0|05/03/19|snyk-bot |MIT|[CVE-2022-24999](https://github.com/advisories/GHSA-hrpp-h998-j3pp) (High)|
+|[express-session](https://www.npmjs.com/express-session)|v1.15.6|05/03/19|snyk-bot |MIT|N/A|
+|[ioredis](https://www.npmjs.com/ioredis)|v3.2.2|01/07/18|yunnysunny |MIT|N/A|
+|[log4js](https://www.npmjs.com/log4js)|v0.6.38|01/07/18|yunnysunny |Apache-2.0|[CVE-2022-21704](https://github.com/advisories/GHSA-82v2-mx6x-wq7q) (Moderate)|
+|[morgan](https://www.npmjs.com/morgan)|v1.9.1|05/05/19|snyk-bot |MIT|N/A|
+|[nan](https://www.npmjs.com/nan)|v2.7.0|09/09/17|yunnysunny |MIT|N/A|
+|[nyc](https://www.npmjs.com/nyc)|v13.1.0|05/05/17|yunnysunny |ISC|N/A|
+|[prom-client](https://www.npmjs.com/prom-client)|v14.0.1|05/02/22|yunnysunny |Apache-2.0|N/A|
+|[serve-favicon](https://www.npmjs.com/serve-favicon)|v2.4.5|07/04/19|snyk-test |MIT|N/A|
+|[should](https://www.npmjs.com/should)|v11.1.0|01/07/18|yunnysunny |MIT|N/A|
+
+<br/>
+<div align='center'>
+
+Generated via [Stack File](https://github.com/marketplace/stack-file)
diff --git a/techstack.yml b/techstack.yml
new file mode 100644
index 0000000..feba5e5
--- /dev/null
+++ b/techstack.yml
@@ -0,0 +1,599 @@
+repo_name: yunnysunny/nodebook-sample
+report_id: 133fed5799111e59111532fb8cf01226
+version: 0.1
+repo_type: Public
+timestamp: '2024-02-29T19:55:23+00:00'
+requested_by: yunnysunny
+provider: github
+branch: master
+detected_tools_count: 43
+tools:
+- name: C++
+  description: Has imperative, object-oriented and generic programming features, while
+    also providing the facilities for low level memory manipulation
+  website_url: http://www.cplusplus.com/
+  open_source: true
+  hosted_saas: false
+  category: Languages & Frameworks
+  sub_category: Languages
+  image_url: https://img.stackshare.io/service/1049/cplusplus.png
+  detection_source_url: https://github.com/yunnysunny/nodebook-sample
+  detection_source: Repo Metadata
+- name: CSS 3
+  description: The latest evolution of the Cascading Style Sheets language
+  website_url: https://developer.mozilla.org/en-US/docs/Web/CSS/CSS3
+  open_source: true
+  hosted_saas: false
+  category: Languages & Frameworks
+  sub_category: Languages
+  image_url: https://img.stackshare.io/service/6727/css.png
+  detection_source_url: https://github.com/yunnysunny/nodebook-sample
+  detection_source: Repo Metadata
+- name: EJS
+  description: An Embedded JavaScript templating Language
+  website_url: https://ejs.co/
+  license: Apache-2.0
+  open_source: true
+  hosted_saas: false
+  category: Languages & Frameworks
+  sub_category: Templating Languages & Extensions
+  image_url: https://img.stackshare.io/no-img-open-source.png
+  detection_source_url: https://github.com/yunnysunny/nodebook-sample/blob/master/chapter12/package.json
+  detection_source: chapter12/package.json
+  last_updated_by: yunnysunny
+  last_updated_on: 2018-01-07 12:47:48.000000000 Z
+- 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/yunnysunny/nodebook-sample
+  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/yunnysunny/nodebook-sample
+  detection_source: Repo Metadata
+- name: ".NET"
+  description: A free, cross-platform, open source developer platform for building
+    many different types of applications
+  website_url: http://www.microsoft.com/net/
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Languages & Frameworks
+  sub_category: Frameworks (Full Stack)
+  image_url: https://img.stackshare.io/service/1014/IoPy1dce_400x400.png
+  detection_source_url: https://github.com/yunnysunny/nodebook-sample/blob/master/chapter12/package.json
+  detection_source: chapter12/package.json
+  last_updated_by: yunnysunny
+  last_updated_on: 2018-01-07 12:47:48.000000000 Z
+- name: ExpressJS
+  description: Sinatra inspired web development framework for node.js -- insanely
+    fast, flexible, and simple
+  website_url: http://expressjs.com/
+  version: 4.16.0
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Languages & Frameworks
+  sub_category: Microframeworks (Backend)
+  image_url: https://img.stackshare.io/service/1163/hashtag.png
+  detection_source_url: https://github.com/yunnysunny/nodebook-sample/blob/master/chapter12/package.json
+  detection_source: chapter12/package.json
+  last_updated_by: snyk-bot
+  last_updated_on: 2019-05-03 10:08:35.000000000 Z
+- name: Mongoose
+  description: MongoDB object modeling designed to work in an asynchronous environment
+  website_url: http://mongoosejs.com/
+  version: 5.0.0
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Data Stores
+  sub_category: Object Document Mapper (ODM)
+  image_url: https://img.stackshare.io/service/1231/0TXzZU7W_400x400.jpg
+  detection_source_url: https://github.com/yunnysunny/nodebook-sample/blob/master/chapter12/package.json
+  detection_source: chapter12/package.json
+  last_updated_by: yunnysunny
+  last_updated_on: 2018-01-07 12:47:48.000000000 Z
+- name: Redis
+  description: Open source (BSD licensed), in-memory data structure store
+  website_url: http://redis.io/
+  version: 2.3.0
+  license: BSD-3-Clause
+  open_source: true
+  hosted_saas: false
+  category: Data Stores
+  sub_category: In-Memory Databases
+  image_url: https://img.stackshare.io/service/1031/default_cbce472cd134adc6688572f999e9122b9657d4ba.png
+  detection_source_url: https://github.com/yunnysunny/nodebook-sample/blob/master/chapter7/package.json
+  detection_source: chapter12/package.json
+  last_updated_by: yunnysunny
+  last_updated_on: 2018-01-07 12:47:48.000000000 Z
+- name: Chai
+  description: A BDD / TDD assertion library
+  website_url: http://chaijs.com/
+  version: 3.5.0
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Build, Test, Deploy
+  sub_category: Javascript Testing Framework
+  image_url: https://img.stackshare.io/service/1725/chai.png
+  detection_source_url: https://github.com/yunnysunny/nodebook-sample/blob/master/chapter12/package.json
+  detection_source: chapter12/package.json
+  last_updated_by: yunnysunny
+  last_updated_on: 2018-01-07 12:47:48.000000000 Z
+- name: ESLint
+  description: The fully pluggable JavaScript code quality tool
+  website_url: http://eslint.org/
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Build, Test, Deploy
+  sub_category: Code Review
+  image_url: https://img.stackshare.io/service/3337/Q4L7Jncy.jpg
+  detection_source_url: https://github.com/yunnysunny/nodebook-sample/blob/master/package.json
+  detection_source: package.json
+  last_updated_by: yunnysunny
+  last_updated_on: 2022-01-10 12:19:12.000000000 Z
+- 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/yunnysunny/nodebook-sample
+  detection_source: Repo Metadata
+- name: Mocha
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