How_a_Software_Should_Start.md

How a Software Should Start

SDLC Phases

1. Planning
2. Analysis
3. Design
4. Implementation
5. Testing & Integration
6. Maintenance

Planning Phase

Key Roles:

• Product Manager: Defines the product vision and goals.
• Project Manager: Manages project timelines, resources, and progress.
• Stakeholders: Provide input and feedback, ensuring the project meets their needs.
• Business Analyst: Gathers and analyzes business requirements.

Key Activities:

• Define the Project Scope: Outline what the project will deliver.
• Set Project Goals and Objectives: Determine what the project aims to achieve.
• Conduct Feasibility Studies: Assess if the project is viable and worth pursuing.
• Develop a Project Plan: Create a roadmap for the project’s execution.
• Allocate Resources: Assign people, budget, and tools for the project.
• Risk Assessment and Management: Identify potential risks and plan how to handle them.

Key Documents:

• Project Charter: A document that officially starts the project and outlines its purpose and objectives.
• Feasibility Study Report: An analysis of the project's practicality and benefits.
• Project Plan: A detailed plan that includes timelines, tasks, and resources.
• Risk Management Plan: A plan to identify, analyze, and respond to project risks.

Analysis Phase

Key Roles:

• Product Owner: Defines and prioritizes product features.
• Project Manager: Oversees the analysis process and ensures it stays on track.
• Business Analyst: Collects and analyzes business requirements.

Key Activities:

• Gather Requirements: Collect information from stakeholders about what they need.
• Analyze Requirements: Break down and understand the collected information.
• Document Requirements: Write down the requirements in a clear and detailed manner.
• Validate Requirements: Ensure the requirements are complete and aligned with stakeholders' needs.

Key Documents:

• Software Requirements Specification (SRS): Detailed description of the software requirements.
• Functional Requirements Document (FRD): Specifies the functions the software must perform.
• Product Requirements Document (PRD): Outlines the features and capabilities of the product.
• Business Requirements Document (BRD): Describes the business needs and objectives.

Design Phase

Key Roles:

• System Architect: Designs the overall system architecture.
• UI/UX Designer: Designs the user interface and user experience.

Key Activities:

• Create High-Level Design: Define the system architecture and major components.
• Create Low-Level Design: Detail the design of individual components.
• Design Database Schema: Plan the structure of the database.
• Design UI/UX: Plan the look and feel of the user interface.

Key Documents:

• System Design of Software: Overall architecture and design of the system.
• High-Level Design Document: Architecture and major components.
• Low-Level Design Document: Detailed design of individual components.
• Database Schema: Structure and organization of the database.

Implementation (Development) Phase

Key Roles:

• Frontend Developer: Develops the user interface.
• Backend Developer: Develops the server-side logic and databases.
• Full Stack Developer: Works on both frontend and backend development.

Key Activities:

• Backend Development: Code the server-side logic, databases, and APIs.
• Frontend Development: Code the user interface and client-side logic.
• API Integration: Connect frontend and backend through APIs.
• Database Development: Implement the database schema and logic.

Testing & Integration Phase

Key Roles:

• Solution Architect: Ensures the system integrates correctly.
• QA Engineer: Develops test plans and oversees testing processes.
• Tester: Executes tests and reports defects.

Key Activities:

• Develop Test Plan: Create a plan for testing the system.
• Write Test Cases: Create specific tests to verify functionality.
• Execute Tests: Perform the tests on the system.
• Report Defects: Document and report any issues found.

Key Documents:

• Test Plan: Strategy and approach for testing.
• Test Case: Specific tests to be performed.
• Test Scripts: Automated or manual scripts for testing.
• Defects Report: List of defects found during testing.

Deployment Phase

Key Roles:

• Database Administrator: Manages the database deployment.
• DevOps: Manages the deployment process and infrastructure.

Key Activities:

• Prepare Deployment Environment: Set up servers and infrastructure.
• Deploy the System: Install and configure the system in the live environment.
• Verify Deployment: Ensure the system is working correctly after deployment.
• Release to Users: Make the system available to end-users.

Key Documents:

• Release Notes: Details of the release, including new features and fixes.
• Installation Guides: Instructions for installing the system.
• Configuration Guides: Instructions for configuring the system.

Maintenance Phase

Key Roles:

• Support Engineer: Provides technical support to users.
• Tester: Continues to test the system for defects.
• Developer: Fixes bugs and implements updates.

Key Activities:

• Monitor System: Continuously monitor the system for issues.
• Fix Bugs: Address and resolve any issues found.
• Implement Updates: Add new features and improvements.
• Provide Support: Assist users with any problems they encounter.

Key Documents:

• Change Request: Request for changes or new features.
• Bug Reports: Documentation of any bugs found.
• Patch Release: Updates and fixes for the system.