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Thomas Vincent edited this page Apr 30, 2024 · 1 revision

Product Requirements Document (PRD)

Purpose

Create a robust, scalable, and efficient development environment capable of supporting multi-language development across different operating systems (macOS, Linux variants, and Windows) using a range of DevOps practices and tools.

Scope

  • Development environments on Linux, macOS, and Windows.

  • CI/CD solutions via Jenkins and GitHub Actions.

  • Multi-cloud infrastructure deployment and management.

Objectives

  1. Configure a Git-centric, multi-language development environment for macOS, Linux, and Windows.

  2. Utilize Jenkins and GitHub Actions to build CI/CD pipelines that ensure high-quality software development.

  3. Automate cloud infrastructure setup and maintenance across multiple platforms using Terraform and other tools.

Requirements

  1. Development Environment:

    • Support for Java, Spring, Rails, Ruby, Python, Django, WordPress, PHP, Shell, Perl, Golang.

    • A robust dotfiles system using Chezmoi for quick and consistent setup across platforms.

    • Utilize zsh, zinit plugin manager, VS Code, IntelliJ IDEA, and Homebrew for package management.

  2. CI/CD Pipelines:

    • Implement Jenkins for local development and GitHub Actions for integrated cloud-based CI/CD.

    • Ensure pipelines include stages for build, test, lint, and deploy.

  3. Infrastructure Automation:

    • Terraform for infrastructure as code; Vault for secrets management; Consul for service discovery; Ansible for configuration management.

    • Kubernetes and Docker for container orchestration and deployment.

  4. Cloud and Cross-Platform Support:

    • Define configurations for AWS, Google Cloud, Azure, DigitalOcean, and Oracle Cloud.

    • Ensure all setups and tools are cross-platform compatible supporting Linux (RHEL, Amazon Linux, Ubuntu), Windows, and macOS.

High-Level Design (HLD)

Architecture Overview

  1. Development Environment Setting:

    • Cross-platform scripts to install languages, frameworks, and tools based on the operating system.

    • A centralized Chezmoi managed dotfiles repository to synchronize environment configurations.

  2. CI/CD Integration:

    • Jenkins configured locally with integration to git repositories for continuous sourcing of code changes.

    • GitHub Actions configured for automated cloud-based operations, connecting to multiple cloud environments.

  3. Infrastructure Management:

    • A set of Terraform scripts to manage cloud resources dynamically.

    • Use of Kubernetes clusters managed by scripts for deployment orchestration.

    • Vault and Consul integrated into the infrastructure for secure and dynamic service operations.

Components

  • Version Control System (VCS): Git with GitHub integration.

  • CI/CD Tools: Jenkins, GitHub Actions.

  • Infrastructure as Code Tools: Terraform, Vault, Consul, Kubernetes, Docker.

  • Configuration Management Tools: Chezmoi for managing dotfiles across platforms integrated with Git for version control.

  • Development Tools: zsh with zinit, VS Code, IntelliJ IDEA, Homebrew.

  • githooks, pre-commit, husky, enforcing conventional commit standard, and gitops

Low-Level Design (LLD)

Detailed Configuration

  1. Development Setup:

    • Configuration scripts for setting up development environments with necessary tools and languages based on OS detection.

    • Deploy Chezmoi to manage and deploy zsh configurations, editor settings for VS Code and IntelliJ IDEA, and any custom shell scripts.

    • Script the Chezmoi installation and initial setup procedures as part of the environment bootstrap process. Provide detailed Chezmoi templates and instructions for developer customization.

  2. CI/CD Pipelines:

    • Jenkins jobs defined for each main project with triggers for pull requests and merges, including test cases and deployment scenarios.

    • GitHub Actions workflows designed for integration and deployment phases, particularly for cloud services.

  3. Infrastructure Automation:

    • Terraform modules for each cloud provider, with common templates for networking, compute, and storage resources.

    • Kubernetes YAML definitions and Helm charts for defining and deploying containerized applications.

    • Ansible playbooks for post-deployment configuration management and ongoing tasks.

Interdependencies

  • Cross-functionality between cloud environments and local setups requires rigorous testing and consistent updates to scripts and configurations.

  • Continuous integration and security practices must be maintained across all platforms to ensure smooth deployment and operational stability.

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