# webxwizard/devops-zero-to-hero architecture

> Architecture diagram of the GitHub repository webxwizard/devops-zero-to-hero, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-05-13). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/webxwizard/devops-zero-to-hero
- Repository: https://github.com/webxwizard/devops-zero-to-hero

## Overview

This repository is best understood as a structured DevOps learning hub rather than a single application. Its architecture is a content-and-labs monorepo organized around a 30-day progression from fundamentals to cloud deployment.

1. **Top-level layout: learning tracks, not services**
   The repo is split into major domains: `Day-01` through `Day-11`, `Preparation`, `Projects`, and `Resources`. Each domain serves a different role:
   - `Day-*` folders are the staged curriculum.
   - `Preparation` contains deeper study material and interview prep.
   - `Projects` contains hands-on practice labs.
   - `Resources` is a reference library and example implementations.

2. **Curriculum spine: Day-based progression**
   The `Day-01` to `Day-11` folders form the main learning pipeline. The topics follow a dependency chain:
   Linux → Git → Networking → Deployment → Shell scripting/system monitoring → Docker.  
   This gives the repo a clear “foundation first, infrastructure later” architecture, with each day building on the previous one.

3. **Foundational subsystem: Linux, Git, and Networking**
   Early content lives in `Day-01/01-Linux`, `Day-02/02-Git`, and `Day-03/*`. These folders are mostly markdown study guides, interview questions, and deep-dive notes. Architecturally, these are the base layer for everything else in the repo because later automation, container, and cloud examples assume CLI, version control, and network fundamentals.

4. **Automation and scripting layer**
   `Day-06/system_health_monitor.sh` and `Projects/Shell-Scripting-Project/scripts/*` are the main executable shell artifacts. They represent the repo’s first real “runtime” boundary: Bash scripts that perform local automation tasks such as monitoring, backups, user management, and environment checks. These scripts are reusable DevOps primitives, not full applications.

5. **Containerization subsystem**
   `Day-07/03-Docker`, `Day-08`, and `Day-09` are mostly Docker theory and command references. The practical containerization examples appear in:
   - `Day-10/node-docker-app`
   - `Day-11/Project-Task-Tracker`
   - `Resources/AWS-For-DevOps/Docker-DevOps`
   
   These examples show the typical container boundary: application code inside a Docker image, with package manifests and a `Dockerfile` defining the build/runtime contract.

6. **Node.js sample apps as runnable workloads**
   The Node-based examples are the repo’s closest thing to application services:
   - `Day-10/node-docker-app` is a simple Node app packaged with Docker.
   - `Day-11/Project-Task-Tracker` adds `docker-compose.yml`, so it represents a slightly higher-level deployment unit where compose orchestrates the container lifecycle.
   - `Resources/AWS-For-DevOps/Docker-DevOps/backend` and `frontend` form a split-service example with a frontend build and backend API, illustrating a basic two-tier containerized architecture.

7. **Deployment and environment boundary**
   `Day-04/Deployment` contains Linux and IIS deployment notes plus `DevOps-Dashboard.html`. This area is focused on release mechanics and target environments rather than application logic. It bridges local development concepts to server-side deployment paths, especially Linux-based deployment workflows.

8. **Cloud and infrastructure knowledge layer**
   Most AWS-related architecture is documented under `Preparation/*` and `Resources/AWS-For-DevOps/*`. These folders cover IAM, EC2, S3, VPC, CloudWatch, Lambda, ECS/EKS, and CloudFormation/Terraform concepts. This is a knowledge layer that maps directly to the repo’s capstone architecture: compute, networking, storage, identity, and automation.

9. **CI/CD and IaC as the orchestration layer**
   `Day-11/README.md`, `Preparation/.../CICD`, and Terraform-related docs describe the pipeline layer that ties code to infrastructure. The README’s capstone flow is the clearest architecture statement in the repo:
   - code push to `main`
   - GitHub Actions runs tests
   - Docker image is built and pushed to AWS ECR
   - Terraform provisions EC2
   - application is deployed as a Docker container on AWS
   
   This is the primary end-to-end data flow the repo is teaching.

10. **Observability and operations**
   Monitoring appears in `Day-06/02-Mini-Project-System-Health-Monitor.md`, `Resources/DevOps-Real-World-Scenarios`, and monitoring-focused study guides. The repo treats observability as a separate concern from deployment: scripts and docs show how to inspect health, logs, and system status after deployment rather than embedding that into the app layer.

11. **Preparation and interview content as a parallel knowledge graph**
   The `Preparation` tree is a second, deeper study path with AWS DevOps series, DevSecOps bootcamp modules, solution architect prep, and interview question banks. It does not drive runtime behavior; instead it expands the conceptual model behind the implementation-oriented folders. In an architecture diagram, this is a reference/learning branch connected to all major subsystems.

12. **Resources as reusable assets and examples**
   `Resources` acts like a library of canonical notes, cheat sheets, PDFs, and mini-projects. It includes both conceptual guides and working examples, especially in Docker, shell scripting, Git/GitHub, Jenkins, Kubernetes, Terraform, and AWS. This folder is the broadest cross-cutting dependency in the repo.

13. **Important architectural boundary: docs vs executable artifacts**
   Most of the repository is documentation, study notes, and interview prep. The executable boundaries are relatively few:
   - Bash scripts in shell project folders
   - Node.js apps in Docker examples
   - HTML dashboard in deployment notes
   - Dockerfiles / Compose files for containerization labs
   
   So the repo architecture is mostly educational content surrounding a small set of runnable labs.

14. **How to diagram it accurately**
   A good architecture diagram should show:
   - a central learning pipeline from Linux/Git/Networking to Cloud/Containers to CI/CD/IaC
   - side branches for `Preparation` and `Resources`
   - runnable mini-projects as isolated execution nodes
   - the capstone delivery path from Git push to GitHub Actions to Docker/ECR to Terraform/EC2 to deployed container
   
   In short, this repo is a DevOps curriculum repository with hands-on labs that model the full source-to-server delivery lifecycle.

Main entry points: [`README.md`](https://github.com/webxwizard/devops-zero-to-hero/blob/main/README.md) (DevOps Hub), [`Day-06`](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-06) (Automation), [`Day-11/Project-Task-Tracker`](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-11/Project-Task-Tracker) (Task Tracker), [`Day-01`](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-01) (Linux)

## Diagram (Mermaid)

```mermaid
flowchart TD

subgraph group_curriculum["Curriculum"]
  node_day1["Linux<br/>foundations"]
  node_day2["Git<br/>version-control"]
  node_day3["Networking"]
  node_day4["Deployment<br/>release-paths"]
  node_day6["Automation"]
  node_day7["Docker<br/>containerization"]
  node_day10app["Node App<br/>container-lab"]
  node_day11app["Task Tracker<br/>compose-lab"]
  node_day11cicd["Capstone Flow<br/>delivery-pipeline<br/>[README.md]"]
end

subgraph group_preparation["Preparation"]
  node_prepaws["AWS Series<br/>aws-roadmap"]
  node_preboot["DevSecOps Bootcamp"]
  node_prearch["Cloud Prep<br/>cloud-architecture"]
  node_preinterview["Interview Bank<br/>question-bank"]
end

subgraph group_projects["Projects"]
  node_projshell["Shell Project<br/>automation-lab"]
  node_projgit["Git Project<br/>collaboration-lab"]
  node_projaws["EC2 Linux Lab<br/>cloud-lab"]
end

subgraph group_resources["Resources"]
  node_resdocker["Docker Examples<br/>example-library"]
  node_resaws["AWS Library<br/>reference-library"]
  node_resshell["Shell Library<br/>reference-library"]
  node_resmaster["Master Index<br/>resource-index"]
end

node_repo{{"DevOps Hub<br/>learning-repo<br/>[README.md]"}}

node_repo -->|"starts with"| node_day1
node_day1 -->|"builds into"| node_day2
node_day2 -->|"enables"| node_day3
node_day3 -->|"feeds"| node_day4
node_day4 -->|"bridges to"| node_day6
node_day6 -->|"advances to"| node_day7
node_day7 -->|"applies in"| node_day10app
node_day10app -->|"extends to"| node_day11app
node_day11app -->|"leads to"| node_day11cicd
node_repo -->|"references"| node_prepaws
node_repo -->|"references"| node_preboot
node_repo -->|"references"| node_prearch
node_repo -->|"references"| node_preinterview
node_repo -->|"includes"| node_projshell
node_repo -->|"includes"| node_projgit
node_repo -->|"includes"| node_projaws
node_repo -->|"curates"| node_resmaster
node_repo -->|"curates"| node_resaws
node_repo -->|"curates"| node_resshell
node_repo -->|"curates"| node_resdocker
node_preboot -->|"reinforces"| node_day6
node_prepaws -->|"supports"| node_day11cicd
node_resdocker -->|"mirrors"| node_day11app
node_resshell -->|"supports"| node_projshell

click node_repo "https://github.com/webxwizard/devops-zero-to-hero/blob/main/README.md"
click node_day1 "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-01"
click node_day2 "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-02"
click node_day3 "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-03"
click node_day4 "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-04"
click node_day6 "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-06"
click node_day7 "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-07"
click node_day10app "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-10/node-docker-app"
click node_day11app "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-11/Project-Task-Tracker"
click node_day11cicd "https://github.com/webxwizard/devops-zero-to-hero/blob/main/Day-11/README.md"
click node_prepaws "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Preparation/2026-BCA/AWS-DevOps-Series"
click node_preboot "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Preparation/2026-BCA/Batch-7-DevSecOps-Bootcamp"
click node_prearch "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Preparation/AWS-Solution-Architect-Prep"
click node_preinterview "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Preparation/DevOps-Interview-Questions-master"
click node_projshell "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Projects/Shell-Scripting-Project"
click node_projgit "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Projects/Git-GitHub-Project"
click node_projaws "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Projects/AWS-EC2-Linux-Project"
click node_resdocker "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Resources/AWS-For-DevOps/Docker-DevOps"
click node_resaws "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Resources/AWS-For-DevOps"
click node_resshell "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Resources/Shell-Scripting-For-DevOps"
click node_resmaster "https://github.com/webxwizard/devops-zero-to-hero/tree/main/Resources/DevOps-Master-Resources"

classDef toneNeutral fill:#f8fafc,stroke:#334155,stroke-width:1.5px,color:#0f172a
classDef toneBlue fill:#dbeafe,stroke:#2563eb,stroke-width:1.5px,color:#172554
classDef toneAmber fill:#fef3c7,stroke:#d97706,stroke-width:1.5px,color:#78350f
classDef toneMint fill:#dcfce7,stroke:#16a34a,stroke-width:1.5px,color:#14532d
classDef toneRose fill:#ffe4e6,stroke:#e11d48,stroke-width:1.5px,color:#881337
classDef toneIndigo fill:#e0e7ff,stroke:#4f46e5,stroke-width:1.5px,color:#312e81
classDef toneTeal fill:#ccfbf1,stroke:#0f766e,stroke-width:1.5px,color:#134e4a
class node_day1,node_day2,node_day3,node_day4,node_day6,node_day7,node_day10app,node_day11app,node_day11cicd toneBlue
class node_prepaws,node_preboot,node_prearch,node_preinterview toneAmber
class node_projshell,node_projgit,node_projaws toneMint
class node_resdocker,node_resaws,node_resshell,node_resmaster toneRose
class node_repo toneNeutral
```

## Components

### Curriculum

Day-based learning path from fundamentals to containerized deployment and capstone delivery.

- [Linux](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-01): foundations · Linux fundamentals and core CLI skills. · `Day-01`
- [Git](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-02): version-control · Git basics, commands, and internals. · `Day-02`
- [Networking](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-03): networking-basics · Networking concepts and security fundamentals. · `Day-03`
- [Deployment](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-04): release-paths · Deployment notes for Linux and IIS targets plus dashboard artifact. · `Day-04`
- [Automation](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-06): shell-automation · Shell scripting and system health monitoring exercises. · `Day-06`
- [Docker](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-07): containerization · Docker fundamentals, Dockerfile guidance, and command references. · `Day-07`
- [Node App](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-10/node-docker-app): container-lab · A simple Node.js application packaged as a Docker workload. · `Day-10/node-docker-app`
- [Task Tracker](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Day-11/Project-Task-Tracker): compose-lab · Node.js task tracker deployed with Docker Compose. · `Day-11/Project-Task-Tracker`
- [Capstone Flow](https://github.com/webxwizard/devops-zero-to-hero/blob/main/Day-11/README.md): delivery-pipeline · End-to-end code-to-cloud deployment path described in the Day-11 README. · `Day-11/README.md`

### Preparation

Deeper study paths, bootcamps, and interview-focused knowledge branches.

- [AWS Series](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Preparation/2026-BCA/AWS-DevOps-Series): aws-roadmap · Structured AWS DevOps learning track from IAM to EKS and monitoring. · `Preparation/2026-BCA/AWS-DevOps-Series`
- [DevSecOps Bootcamp](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Preparation/2026-BCA/Batch-7-DevSecOps-Bootcamp): bootcamp · Multi-module DevOps and DevSecOps curriculum covering tools and workflows. · `Preparation/2026-BCA/Batch-7-DevSecOps-Bootcamp`
- [Cloud Prep](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Preparation/AWS-Solution-Architect-Prep): cloud-architecture · AWS solution architect preparation with compute, storage, networking, security, and IaC. · `Preparation/AWS-Solution-Architect-Prep`
- [Interview Bank](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Preparation/DevOps-Interview-Questions-master): question-bank · Large interview-question collection and topic-oriented reference sections. · `Preparation/DevOps-Interview-Questions-master`

### Projects

Hands-on labs and practice repos with runnable scripts and sample workloads.

- [Shell Project](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Projects/Shell-Scripting-Project): automation-lab · Reusable Bash scripts for backups, monitoring, user management, and greetings. · `Projects/Shell-Scripting-Project`
- [Git Project](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Projects/Git-GitHub-Project): collaboration-lab · Git/GitHub practice project focused on workflow and conflict simulation. · `Projects/Git-GitHub-Project`
- [EC2 Linux Lab](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Projects/AWS-EC2-Linux-Project): cloud-lab · AWS EC2 and Linux practice project for cloud server operations. · `Projects/AWS-EC2-Linux-Project`

### Resources

Reusable reference library, examples, cheat sheets, and mini-project patterns.

- [Docker Examples](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Resources/AWS-For-DevOps/Docker-DevOps): example-library · Docker learning resources and a two-tier containerized demo application. · `Resources/AWS-For-DevOps/Docker-DevOps`
- [AWS Library](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Resources/AWS-For-DevOps): reference-library · AWS DevOps notes covering IAM, EC2, S3, and VPC. · `Resources/AWS-For-DevOps`
- [Shell Library](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Resources/Shell-Scripting-For-DevOps): reference-library · Shell scripting concepts, examples, and a server health monitor project. · `Resources/Shell-Scripting-For-DevOps`
- [Master Index](https://github.com/webxwizard/devops-zero-to-hero/tree/main/Resources/DevOps-Master-Resources): resource-index · Cross-cutting roadmap, cheatsheets, and consolidated DevOps references. · `Resources/DevOps-Master-Resources`

### Other components

- [DevOps Hub](https://github.com/webxwizard/devops-zero-to-hero/blob/main/README.md): learning-repo · Top-level learning hub that organizes DevOps concepts, labs, and reference material. · `README.md`

## Connections

- DevOps Hub → Linux: starts with · Foundation first: Linux CLI and system basics.
- Linux → Git: builds into · Version control comes after shell comfort.
- Git → Networking: enables · Git workflows lead into networking and delivery concepts.
- Networking → Deployment: feeds · Networking knowledge supports deployment decisions.
- Deployment → Automation: bridges to · Deployment expands into operational automation.
- Automation → Docker: advances to · Shell automation precedes containerization.
- Docker → Node App: applies in · Docker concepts are exercised with a simple Node app.
- Node App → Task Tracker: extends to · Container packaging evolves into Compose-based orchestration.
- Task Tracker → Capstone Flow: leads to · The task tracker lab connects to the end-to-end delivery flow.
- DevOps Hub → AWS Series: references · AWS DevOps study path supports the core curriculum.
- DevOps Hub → DevSecOps Bootcamp: references · Bootcamp modules provide broader DevSecOps coverage.
- DevOps Hub → Cloud Prep: references · Architecture prep expands cloud design understanding.
- DevOps Hub → Interview Bank: references · Interview question banks form a parallel knowledge branch.
- DevOps Hub → Shell Project: includes · Shell scripting is the first major runnable lab area.
- DevOps Hub → Git Project: includes · Git collaboration practice is packaged as a hands-on project.
- DevOps Hub → EC2 Linux Lab: includes · Cloud server practice appears as a deployment-oriented project.
- DevOps Hub → Master Index: curates · Master resources act as the broadest cross-cutting index.
- DevOps Hub → AWS Library: curates · AWS reference material supports cloud and infrastructure topics.
- DevOps Hub → Shell Library: curates · Shell references reinforce scripting and monitoring labs.
- DevOps Hub → Docker Examples: curates · Docker examples connect theory to runnable container workflows.
- DevSecOps Bootcamp → Automation: reinforces · Bootcamp scripting modules align with the automation layer.
- AWS Series → Capstone Flow: supports · AWS topics underpin the capstone delivery path.
- Docker Examples → Task Tracker: mirrors · Resource examples mirror the compose-based app pattern.
- Shell Library → Shell Project: supports · Reference scripts and projects reinforce each other.
