# Database Migrations - Complete Documentation Index

## 📚 Documentation Files

### 1. **MIGRATIONS_SUMMARY.md** ⭐ START HERE
- **Purpose**: Quick reference guide
- **Length**: 3.5 KB
- **Best for**: Getting started quickly
- **Contains**:
  - What you need to know
  - Current setup overview
  - Solution overview (Goose)
  - Quick implementation (5 steps)
  - Common commands
  - Best practices

### 2. **GO_MIGRATIONS_GUIDE.md**
- **Purpose**: Quick start guide
- **Length**: 3.3 KB
- **Best for**: Installation and basic setup
- **Contains**:
  - Overview of tools
  - Goose setup steps
  - Migration file structure
  - Common commands
  - Best practices
  - Integration with Supabase

### 3. **MIGRATION_TOOLS_COMPARISON.md**
- **Purpose**: Tool comparison
- **Length**: 3.0 KB
- **Best for**: Understanding why Goose
- **Contains**:
  - Quick comparison table
  - Goose pros/cons
  - golang-migrate pros/cons
  - Alembic pros/cons
  - Recommendation for TraceRTM
  - Migration strategy

### 4. **GOOSE_IMPLEMENTATION_GUIDE.md** ⭐ MOST DETAILED
- **Purpose**: Step-by-step implementation
- **Length**: 4.6 KB
- **Best for**: Hands-on implementation
- **Contains**:
  - 10-step implementation guide
  - Code examples
  - Integration with Go code
  - Makefile integration
  - CI/CD integration
  - Docker integration
  - Kubernetes integration
  - Monitoring and troubleshooting

## 🎯 Reading Order

### For Quick Start (15 minutes)
1. MIGRATIONS_SUMMARY.md
2. GO_MIGRATIONS_GUIDE.md

### For Full Implementation (45 minutes)
1. MIGRATIONS_SUMMARY.md
2. GO_MIGRATIONS_GUIDE.md
3. GOOSE_IMPLEMENTATION_GUIDE.md

### For Understanding (30 minutes)
1. MIGRATION_TOOLS_COMPARISON.md
2. MIGRATIONS_SUMMARY.md
3. GO_MIGRATIONS_GUIDE.md

## 🚀 Quick Start (5 minutes)

```bash
# 1. Install Goose
go install github.com/pressly/goose/v3/cmd/goose@latest

# 2. Create migrations directory
mkdir -p backend/migrations

# 3. Create first migration
cd backend && goose -dir migrations create init sql

# 4. Test
goose -dir migrations up
goose -dir migrations status
```

## 📋 Implementation Checklist

- [ ] Read MIGRATIONS_SUMMARY.md
- [ ] Read GO_MIGRATIONS_GUIDE.md
- [ ] Install Goose
- [ ] Create migrations directory
- [ ] Create first migration
- [ ] Test locally
- [ ] Create migrations.go helper
- [ ] Integrate with main.go
- [ ] Test build
- [ ] Deploy to Supabase

## 🔑 Key Concepts

### Goose
- Native Go migration tool
- SQL + Go migrations
- Embedded migrations support
- Works with pgx
- Simple CLI

### Migration File Structure
```sql
-- +goose Up
CREATE TABLE users (id UUID PRIMARY KEY);

-- +goose Down
DROP TABLE users;
```

### Common Commands
```bash
goose status              # Check status
goose up                  # Run migrations
goose down                # Rollback one
goose create name sql     # Create migration
```

## 📁 Directory Structure

```
backend/
├── migrations/
│   ├── 00001_init.sql
│   ├── 00002_profiles.sql
│   └── ...
├── internal/
│   └── db/
│       └── migrations.go
└── main.go
```

## 🎓 Learning Resources

- **Goose**: https://github.com/pressly/goose
- **PostgreSQL**: https://www.postgresql.org/docs/
- **pgx**: https://github.com/jackc/pgx
- **Supabase**: https://supabase.com/docs

## ✅ Next Steps

1. Start with MIGRATIONS_SUMMARY.md
2. Follow GO_MIGRATIONS_GUIDE.md
3. Implement using GOOSE_IMPLEMENTATION_GUIDE.md
4. Reference MIGRATION_TOOLS_COMPARISON.md if needed

## 📞 Support

For issues:
1. Check GOOSE_IMPLEMENTATION_GUIDE.md troubleshooting section
2. Visit https://github.com/pressly/goose
3. Check PostgreSQL documentation

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**Total Documentation**: 14.4 KB
**Estimated Implementation Time**: 45 minutes
**Recommended Tool**: Goose

