db57f4456a
Fix all data races detected by -race flag in parallel store tests. Problems fixed: 1. TestMain not propagating exit code - Was: m.Run(); return - Now: os.Exit(m.Run()) 2. Data races on global DSN variables - mysqlBaseDSN and postgresBaseDSN written in sync.Once - Read outside Once without synchronization - Race detector: write/read without happens-before relationship 3. Data races on container pointers - mysqlContainer, postgresContainer, testDockerNetwork - Same pattern: write in Once, read in cleanup Solution: Use atomic operations - atomic.Value for DSN strings (Store/Load) - atomic.Pointer for container pointers (Store/Load) - Provides proper memory synchronization - Race-free reads and writes Why sync.Once alone wasn't enough: - sync.Once guarantees function runs once - Does NOT provide memory barrier for variables written inside - Reads outside Once have no synchronization with writes - Race detector correctly flags this as violation Technical details: - atomic.Value.Store() provides release semantics - atomic.Value.Load() provides acquire semantics - Guarantees happens-before relationship per Go memory model - All 159 parallel tests can safely access globals Impact: - Tests now pass with -race flag - No performance degradation (atomic ops are fast) - Maintains parallel execution benefits (8-10x speedup) - Proper Go memory model compliance Related: Issues #2, #3 from race analysis |
||
|---|---|---|
| .github | ||
| cmd/memos | ||
| internal | ||
| plugin | ||
| proto | ||
| scripts | ||
| server | ||
| store | ||
| web | ||
| .dockerignore | ||
| .gitignore | ||
| .golangci.yaml | ||
| AGENTS.md | ||
| CODEOWNERS | ||
| LICENSE | ||
| README.md | ||
| SECURITY.md | ||
| go.mod | ||
| go.sum | ||
README.md
Memos
An open-source, self-hosted note-taking service. Your thoughts, your data, your control — no tracking, no ads, no subscription fees.
💎 Featured Sponsors
Warp — The AI-powered terminal built for speed and collaboration
LambdaTest - Cross-browser testing cloud
Overview
Memos is a privacy-first, self-hosted knowledge base that works seamlessly for personal notes, team wikis, and knowledge management. Built with Go and React, it offers lightning-fast performance without compromising on features or usability.
Why choose Memos over cloud services?
| Feature | Memos | Cloud Services |
|---|---|---|
| Privacy | ✅ Self-hosted, zero telemetry | ❌ Your data on their servers |
| Cost | ✅ Free forever, MIT license | ❌ Subscription fees |
| Performance | ✅ Instant load, no latency | ⚠️ Depends on internet |
| Ownership | ✅ Full control & export | ❌ Vendor lock-in |
| API Access | ✅ Full REST + gRPC APIs | ⚠️ Limited or paid |
| Customization | ✅ Open source, forkable | ❌ Closed ecosystem |
Features
-
🔒 Privacy-First Architecture
- Self-hosted on your infrastructure with zero telemetry
- Complete data ownership and export capabilities
- No tracking, no ads, no vendor lock-in
-
📝 Markdown Native
- Full markdown support
- Plain text storage — take your data anywhere
-
⚡ Blazing Fast
- Built with Go backend and React frontend
- Optimized for performance at any scale
-
🐳 Simple Deployment
- One-line Docker installation
- Supports SQLite, MySQL, and PostgreSQL
-
🔗 Developer-Friendly
- Full REST and gRPC APIs
- Easy integration with existing workflows
-
🎨 Beautiful Interface
- Clean, minimal design and dark mode support
- Mobile-responsive layout
Quick Start
Docker (Recommended)
docker run -d \
--name memos \
-p 5230:5230 \
-v ~/.memos:/var/opt/memos \
neosmemo/memos:stable
Open http://localhost:5230 and start writing!
Try the Live Demo
Don't want to install yet? Try our live demo first!
Other Installation Methods
- Docker Compose - Recommended for production deployments
- Pre-built Binaries - Available for Linux, macOS, and Windows
- Kubernetes - Helm charts and manifests available
- Build from Source - For development and customization
See our installation guide for detailed instructions.
Contributing
We welcome contributions of all kinds! Whether you're fixing bugs, adding features, improving documentation, or helping with translations — every contribution matters.
Ways to contribute:
- 🐛 Report bugs
- 💡 Suggest features
- 🔧 Submit pull requests
- 📖 Improve documentation
- 🌍 Help with translations
Sponsors
Love Memos? Sponsor us on GitHub to help keep the project growing!
Star History
License
Memos is open-source software licensed under the MIT License.
Privacy Policy
Memos is built with privacy as a core principle. As a self-hosted application, all your data stays on your infrastructure. There is no telemetry, no tracking, and no data collection. See our Privacy Policy for details.
Website • Documentation • Demo • Discord • X/Twitter
