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https://github.com/arturoeanton/goscim

🚀 Lightning-fast SCIM 2.0 server in Go that makes identity management simple and scalable. Built for developers who need enterprise-grade user provisioning without the enterprise complexity.
https://github.com/arturoeanton/goscim

api authentication couchbase developer-tools docker enterprise go golang high-performance identity-management kubernetes microservices oauth open-source rbac rest-api saas scalable scim user-provisioning

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🚀 Lightning-fast SCIM 2.0 server in Go that makes identity management simple and scalable. Built for developers who need enterprise-grade user provisioning without the enterprise complexity.

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# 🚀 GoSCIM - Lightning Fast Identity Management



[![Go Report Card](https://goreportcard.com/badge/github.com/arturoeanton/goscim)](https://goreportcard.com/report/github.com/arturoeanton/goscim)

[![MIT License](https://img.shields.io/badge/License-MIT-green.svg)](https://choosealicense.com/licenses/mit/)

[![GitHub contributors](https://img.shields.io/github/contributors/arturoeanton/goscim.svg)](https://GitHub.com/arturoeanton/goscim/graphs/contributors/)

[![GitHub issues](https://img.shields.io/github/issues/arturoeanton/goscim.svg)](https://GitHub.com/arturoeanton/goscim/issues/)

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> **A blazingly fast, lightweight SCIM 2.0 server built in Go that makes identity management simple and scalable** 🔥



GoSCIM is the **fastest** and **most flexible** open-source implementation of the SCIM 2.0 protocol. Built with Go's performance and simplicity in mind, it's designed to handle anything from small startups to enterprise-scale identity management.



## ✨ Why GoSCIM?



- 🚀 **Blazing Fast**: Built in Go for maximum performance and minimal resource usage

- 🔧 **Plug & Play**: Works out of the box with dynamic schema loading

- 🌐 **Universal**: Integrates with Active Directory, LDAP, Salesforce, Slack, and more

- 📈 **Scalable**: From 10 users to 100,000+ with horizontal scaling

- 🛡️ **Secure**: Enterprise-grade security with OAuth 2.0 and role-based access control

- 🎯 **SCIM 2.0 Compliant**: Full RFC 7643/7644 implementation

- 🔍 **Smart Filtering**: Advanced ANTLR-based filter parser for complex queries

- 📊 **Observable**: Built-in metrics, logging, and health checks



## 🎯 Perfect For



- **Startups** building their first identity system

- **Enterprises** replacing expensive identity solutions

- **DevOps Teams** automating user provisioning

- **SaaS Companies** needing multi-tenant identity management

- **Developers** learning SCIM protocol implementation



## ⚡ Quick Start



Get GoSCIM running in under 2 minutes:



```bash

# Clone and run with Docker

git clone https://github.com/arturoeanton/goscim.git

cd goscim

docker-compose up -d



# Or build from source

go run main.go

```



Visit `http://localhost:8080/ServiceProviderConfig` to see your SCIM server in action! 🎉



## 🌟 Features That Make Developers Happy



### 🏗️ **Dynamic Schema System**

No code changes needed - just drop JSON schemas and restart:



```json

{

  "id": "urn:ietf:params:scim:schemas:custom:2.0:Employee",

  "name": "Employee",

  "attributes": [

    {

      "name": "employeeId",

      "type": "string",

      "required": true,

      "uniqueness": "server"

    }

  ]

}

```



### 🔍 **Powerful Query Engine**

Advanced filtering with natural syntax:



```http

GET /Users?filter=name.familyName co "Garcia" and active eq true

GET /Users?filter=emails[type eq "work" and value ew "@company.com"]

```



### 🔌 **Easy Integrations**

Connect to any system with our flexible connector architecture:



```go

// Custom connector in just a few lines

func (c *CustomConnector) SyncUsers() error {

    users := c.externalSystem.GetUsers()

    for _, user := range users {

        scimUser := convertToSCIM(user)

        c.scimClient.CreateOrUpdateUser(scimUser)

    }

    return nil

}

```



## 🛠️ Real-World Examples



### Create a User

```bash

curl -X POST https://your-scim-server.com/scim/v2/Users \

  -H "Content-Type: application/json" \

  -d '{

    "schemas": ["urn:ietf:params:scim:schemas:core:2.0:User"],

    "userName": "jane.doe@company.com",

    "name": {

      "familyName": "Doe",

      "givenName": "Jane"

    },

    "emails": [{

      "value": "jane.doe@company.com",

      "type": "work",

      "primary": true

    }],

    "active": true

  }'

```



### Search with Filters

```bash

curl "https://your-scim-server.com/scim/v2/Users?filter=userName sw 'admin'&sortBy=name.familyName"

```



### Update User

```bash

curl -X PATCH https://your-scim-server.com/scim/v2/Users/123 \

  -H "Content-Type: application/json" \

  -d '{

    "schemas": ["urn:ietf:params:scim:api:messages:2.0:PatchOp"],

    "Operations": [{

      "op": "replace",

      "path": "active",

      "value": false

    }]

  }'

```



## 🏗️ Architecture



```

┌─────────────────┐    ┌─────────────────┐    ┌─────────────────┐

│   Your Apps     │    │   Identity      │    │   External      │

│   (Consumers)   │◄──►│   Hub (GoSCIM)  │◄──►│   Systems       │

│                 │    │                 │    │   (Providers)   │

└─────────────────┘    └─────────────────┘    └─────────────────┘

```



- **Stateless Design**: Scale horizontally with ease

- **Couchbase Backend**: NoSQL flexibility with ACID compliance

- **Microservices Ready**: Deploy as containers or serverless functions

- **Event-Driven**: Webhooks and real-time notifications



## 🚀 Performance That Scales



| Metric | Small Team | Growing Company | Enterprise |

|--------|------------|-----------------|------------|

| **Users** | < 1,000 | < 10,000 | 100,000+ |

| **Requests/sec** | 500+ | 2,000+ | 10,000+ |

| **Response Time** | < 50ms | < 100ms | < 200ms |

| **Memory Usage** | 256MB | 1GB | 4GB+ |



*All measurements on standard cloud instances*



## 🤝 Join Our Amazing Community



We're building something special, and we'd love your help! 



### 🌟 **Star us** if you find GoSCIM useful!



### 🛠️ **Ways to Contribute**

- 🐛 [Report bugs](https://github.com/arturoeanton/goscim/issues/new?template=bug_report.md)

- 💡 [Suggest features](https://github.com/arturoeanton/goscim/issues/new?template=feature_request.md)

- 📝 [Improve documentation](https://github.com/arturoeanton/goscim/tree/main/docs)

- 🔧 [Submit pull requests](https://github.com/arturoeanton/goscim/pulls)

- 💬 [Join discussions](https://github.com/arturoeanton/goscim/discussions)



### 🎯 **Quick Contribution Ideas**

- Add new identity provider connectors

- Improve the web UI (coming soon!)

- Write tutorials and blog posts

- Create Docker images and Helm charts

- Add support for additional databases

- Implement advanced monitoring features



### 🏆 **Hall of Fame**

Special thanks to all our contributors! Every contribution matters, from bug reports to major features.



## 📚 Documentation



| Topic | Link |

|-------|------|

| 🚀 **Getting Started** | [docs/en/getting-started.md](docs/en/getting-started.md) |

| 🔧 **Installation Guide** | [docs/en/installation.md](docs/en/installation.md) |

| 📖 **API Reference** | [docs/en/api-reference.md](docs/en/api-reference.md) |

| 🏗️ **Architecture** | [docs/en/architecture.md](docs/en/architecture.md) |

| 🛡️ **Security Guide** | [docs/en/security.md](docs/en/security.md) |

| 🔌 **Integrations** | [docs/en/integrations.md](docs/en/integrations.md) |

| 👩‍💻 **Developer Guide** | [docs/en/development.md](docs/en/development.md) |

| 🚀 **Operations** | [docs/en/operations.md](docs/en/operations.md) |



### 🌍 **Multi-Language Docs**

- 🇺🇸 [English](docs/en/)

- 🇪🇸 [Español](docs/es/)



## 🔧 Tech Stack



- **Language**: Go 1.16+

- **Database**: Couchbase (NoSQL)

- **Web Framework**: Gin

- **Query Parser**: ANTLR v4

- **Monitoring**: Prometheus & Grafana

- **Auth**: OAuth 2.0 / JWT

- **Deployment**: Docker, Kubernetes



## 📊 Project Status



- ✅ **Core SCIM Operations**: CREATE, READ, UPDATE, DELETE, SEARCH

- ✅ **Advanced Filtering**: Full SCIM filter expression support

- ✅ **Schema Extensions**: Custom attributes and resource types

- ✅ **Role-Based Access**: Granular permission system

- 🚧 **Bulk Operations**: In development

- 🚧 **Web UI**: Coming soon

- 📋 **GraphQL API**: Planned

- 📋 **Event Streaming**: Planned



## 💡 Use Cases



### Identity Automation

```

Employee Onboarding → GoSCIM → Automatic provisioning in:

├── Active Directory

├── Salesforce

├── Slack

├── Jira

└── Custom Apps

```



### Multi-Tenant SaaS

```

Customer Signup → GoSCIM → Isolated tenant with:

├── Custom schemas

├── Role-based access

├── Branded experience

└── API access

```



### Compliance & Audit

```

User Changes → GoSCIM → Automated:

├── Audit logging

├── Compliance reports

├── Access reviews

└── Webhook notifications

```



## 🌟 Why Open Source?



We believe identity management should be **accessible**, **transparent**, and **community-driven**. By open-sourcing GoSCIM, we're empowering developers worldwide to build better identity solutions.



**Join us in democratizing identity management!** 🚀



## 📄 License



GoSCIM is released under the [MIT License](LICENSE). Feel free to use it in your projects, contribute back, and help us make identity management better for everyone!



**Commercial use** is welcomed, but we'd appreciate:

- 🌟 A star on GitHub

- 📢 Attribution in your project

- 🤝 Contributing improvements back to the community



## 🙏 Acknowledgments



- Built with ❤️ by [Arturo Anton](https://github.com/arturoeanton) and the community

- Inspired by the SCIM protocol and the need for simple, scalable identity management

- Special thanks to all contributors and early adopters!



---






**[⭐ Star us on GitHub](https://github.com/arturoeanton/goscim)** • **[🐛 Report Issues](https://github.com/arturoeanton/goscim/issues)** • **[💬 Join Discussions](https://github.com/arturoeanton/goscim/discussions)**



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