# Domain Knowledge

## Business Domain
- E-commerce
- SaaS
- Marketplace

## Technical Domain
- Frontend (React, Vue, Angular)
- Backend (Node.js, Python, Go)
- Database (PostgreSQL, MongoDB)

# Technical Knowledge

## Programming Languages
- JavaScript
- Python
- Go

## Frameworks
- React
- Express
- Django

## Tools
- Docker
- Kubernetes
- AWS

# Process Knowledge

## Development Process
- Git workflow
- Code review process
- Deployment process

## Testing Process
- Unit testing
- Integration testing
- E2E testing

# Tribal Knowledge

## Unwritten Rules
- How to handle edge cases
- Which tools to use when
- Who to ask for what

## Historical Context
- Why certain decisions were made
- What failed before
- What succeeded before

# README

## Project Overview
This is a web application for e-commerce.

## Getting Started
```bash
npm install
npm start

npm run dev

npm test

npm run deploy

### Wikis

```markdown
# Wiki

## Architecture
- System architecture
- Database schema
- API documentation

## Development
- Coding standards
- Git workflow
- Code review process

## Operations
- Deployment process
- Monitoring
- Incident response

# ADR-001: Use PostgreSQL as Database

## Status
Accepted

## Context
We need a database for our application.

## Decision
Use PostgreSQL as our primary database.

## Consequences
- Benefits:
  - ACID compliance
  - JSON support
  - Strong community
- Drawbacks:
  - Vertical scaling
  - More complex than NoSQL

# Tech Talk: Introduction to Kubernetes

## Overview
- What is Kubernetes?
- Why use Kubernetes?
- How to get started

## Agenda
1. Introduction to containers
2. Kubernetes architecture
3. Deploying applications
4. Scaling applications
5. Best practices

## Resources
- Official documentation
- Tutorials
- Examples

# Presentation Template

## Title
[Title of talk]

## Speaker
[Speaker name]

## Duration
[Time]

## Agenda
1. [Topic 1]
2. [Topic 2]
3. [Topic 3]

## Content
[Detailed content]

## Q&A
[Time for questions]

## Resources
[Links to resources]

# Lunch and Learn: React Hooks

## Overview
- What are React Hooks?
- Why use Hooks?
- Common Hooks

## Agenda
1. Introduction to Hooks
2. useState Hook
3. useEffect Hook
4. Custom Hooks
5. Q&A

## Format
- 30-minute presentation
- 15-minute Q&A
- Bring your lunch!

// Pair programming
// Two developers, one workstation
// Driver: Types code
// Navigator: Reviews and guides

function calculateTotal(items) {
    // Driver types
    return items.reduce((sum, item) => sum + item.price, 0);
    
    // Navigator reviews
    // "Should we handle empty array?"
}

# Pair Programming Guidelines

## Roles
- Driver: Types code
- Navigator: Reviews and guides

## Switching
- Switch roles every 30 minutes
- Or after completing a feature

## Communication
- Talk through decisions
- Explain your thinking
- Ask questions

// Mob programming
// Entire team works together
// One driver, rest navigators
// Rotate driver every 15 minutes

function calculateTotal(items) {
    // Driver types
    // Navigators review and guide
    
    return items.reduce((sum, item) => sum + item.price, 0);
}

# Mob Programming Guidelines

## Roles
- Driver: Types code
- Navigators: Review and guide

## Rotation
- Rotate driver every 15 minutes
- Everyone gets to drive

## Communication
- Talk through decisions
- Explain your thinking
- Ask questions

# Show and Tell: New Dashboard

## Overview
- What was built
- How it works
- Challenges faced

## Demo
- Live demo of dashboard
- Walk through features
- Show code

## Q&A
- Questions from team
- Discussion

# Show and Tell Template

## Title
[Title of work]

## Speaker
[Speaker name]

## Duration
[Time]

## Overview
[What was built]

## Demo
[Live demo]

## Challenges
[Challenges faced]

## Lessons Learned
[What was learned]

## Q&A
[Time for questions]

# Office Hours: Frontend Development

## When
Every Tuesday, 2-3 PM

## Where
Zoom meeting

## What
- Ask questions
- Get help with code
- Discuss best practices

## Expert
[Expert name]

# Mentorship Program

## Mentor
[Experienced developer]

## Mentee
[New developer]

## Goals
- Learn codebase
- Improve skills
- Grow professionally

## Meetings
- Weekly 1-on-1
- Code review sessions
- Pair programming

## Resources
- Documentation
- Training materials
- Conferences

# Mentorship Guidelines

## Responsibilities
- Mentor: Guide, teach, support
- Mentee: Learn, ask, practice

## Goals
- Set clear goals
- Track progress
- Celebrate achievements

## Communication
- Regular meetings
- Open communication
- Feedback loop

// Code review feedback
// Learn from reviewer's comments

// Before:
function calculateTotal(items) {
    return items.reduce((sum, item) => sum + item.price, 0);
}

// Reviewer feedback:
// "Consider handling empty array"

// After:
function calculateTotal(items) {
    if (!items || items.length === 0) return 0;
    return items.reduce((sum, item) => sum + item.price, 0);
}

# Learning from Code Reviews

## What to Learn
- Coding best practices
- Code style
- Design patterns
- Testing approaches

## How to Learn
- Read all review comments
- Ask questions
- Apply feedback
- Share learnings

# Post-Mortem: Database Outage

## Summary
- Date: 2024-01-15
- Duration: 30 minutes
- Impact: 50% of users affected

## Timeline
- 14:00: Database connection lost
- 14:05: Alert fired
- 14:10: Investigation started
- 14:20: Root cause identified
- 14:25: Fix deployed
- 14:30: System restored

## Root Cause
- Connection pool exhausted
- No monitoring on pool size

## Actions Taken
- Increased pool size
- Added monitoring
- Added alerts

## Lessons Learned
- Monitor connection pool size
- Set up alerts for pool exhaustion

# ADR-002: Use React for Frontend

## Status
Accepted

## Context
We need to choose a frontend framework.

## Decision
Use React as our primary frontend framework.

## Consequences
- Benefits:
  - Large community
  - Many libraries
  - Strong ecosystem
- Drawbacks:
  - Learning curve
  - Frequent updates

# ADR-[Number]: [Title]

## Status
[Proposed/Accepted/Rejected/Deprecated]

## Context
[What is the situation?]

## Decision
[What was decided?]

## Consequences
- Benefits:
  - [Benefit 1]
  - [Benefit 2]
- Drawbacks:
  - [Drawback 1]
  - [Drawback 2]

# Knowledge Base

## Architecture
- System architecture
- Database schema
- API documentation

## Development
- Coding standards
- Git workflow
- Code review process

## Operations
- Deployment process
- Monitoring
- Incident response

# Knowledge Base

## Getting Started
- Onboarding guide
- Development setup
- First commit

## Development
- Coding standards
- Git workflow
- Code review process

## Operations
- Deployment process
- Monitoring
- Incident response

# Recording Sessions

## Tech Talks
- Record all tech talks
- Upload to shared drive
- Add to knowledge base

## Lunch and Learns
- Record sessions
- Share with team
- Archive for future reference

## Show and Tell
- Record demos
- Share with team
- Archive for future reference

# Recording Guidelines

## Equipment
- Good microphone
- Clear audio
- Good lighting

## Content
- Clear presentation
- Good pacing
- Engaging

## Post-Production
- Edit if needed
- Add captions
- Upload to shared drive

# Onboarding Guide

## Day 1
- Setup development environment
- Clone repository
- Install dependencies
- Make first commit

## Week 1
- Complete first task
- Attend code review
- Join team meetings

## First Month
- Complete feature
- Attend tech talks
- Pair programming sessions

# Documentation Checklist

## Getting Started
- [ ] Onboarding guide
- [ ] Development setup
- [ ] First commit guide

## Development
- [ ] Coding standards
- [ ] Git workflow
- [ ] Code review process

## Operations
- [ ] Deployment process
- [ ] Monitoring
- [ ] Incident response

// Track participation
const participation = {
    techTalks: 10,
    lunchAndLearns: 5,
    showAndTell: 3,
    officeHours: 8,
    mentorshipSessions: 12
};

// Track satisfaction
const satisfaction = {
    techTalks: 4.5,
    lunchAndLearns: 4.2,
    showAndTell: 4.8,
    officeHours: 4.6,
    mentorshipSessions: 4.9
};

# Encourage Sharing

## Recognition
- Recognize knowledge sharing
- Celebrate contributions
- Share success stories

## Incentives
- Time allocated for learning
- Budget for training
- Conference attendance

## Environment
- Safe to ask questions
- No stupid questions
- Collaborative atmosphere

# Learning Culture Checklist

## Environment
- [ ] Safe to ask questions
- [ ] Collaborative atmosphere
- [ ] Recognition for sharing

## Resources
- [ ] Time allocated for learning
- [ ] Budget for training
- [ ] Access to resources

## Activities
- [ ] Regular tech talks
- [ ] Lunch and learns
- [ ] Show and tells
- [ ] Office hours
- [ ] Mentorship program

# Knowledge Sharing Formats

## Tech Talks
- Monthly tech talks
- 30-45 minutes
- Recorded for async viewing

## Lunch and Learns
- Weekly lunch and learns
- 30 minutes
- Informal setting

## Show and Tell
- Bi-weekly show and tells
- 15-20 minutes
- Demo recent work

## Office Hours
- Weekly office hours
- 1 hour
- Q&A format

## Mentorship
- Ongoing mentorship
- Weekly meetings
- One-on-one

# Team Knowledge Base

## Architecture Decisions
- [ADR-001: Database Choice](./adr/001-database-choice.md)
- [ADR-002: API Design](./adr/002-api-design.md)

## Runbooks
- [Deployment Process](./runbooks/deployment.md)
- [Incident Response](./runbooks/incident-response.md)

## Code Patterns
- [Error Handling](./patterns/error-handling.md)
- [Testing Strategy](./patterns/testing.md)

# Tech Talk Schedule

## Week 1: Database Optimization
- Speaker: [Name]
- Topic: Query optimization techniques
- Recording: [Link]

## Week 2: API Design
- Speaker: [Name]
- Topic: RESTful API best practices
- Recording: [Link]

# ❌ Bad - Knowledge in one person's head
"Only John knows how the payment system works"

# ✅ Good - Documented knowledge
# Payment System Documentation
- Architecture: [link]
- Runbook: [link]
- Contact: [team channel]

# ❌ Bad - Outdated docs
# Last updated: 2020
# System changed in 2024!

# ✅ Good - Regular updates
# Last updated: 2024-01-15
# Review schedule: Monthly