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Build Status Go Report Card codecov

REST API microservice in Go

Offered Features

API Features:

  1. OWASP Compliant Open API 3 Specification: Refer to OpenApi-v1.yaml for details.
  2. Middleware for:
    • Logging: Facilitates debugging and monitoring processes.
    • Authentication: Provides a placeholder for diverse authentication mechanisms.
    • Tracing by Request ID: Assists in debugging procedures.
    • Panic Recovery: Ensures service continuity by managing unexpected errors.
    • Common Security Headers: Safeguards the service against potential vulnerabilities.
    • Query Parameters Validation: Enhances service security by validating query parameters.
  3. Standardized Error Handling: All errors are managed and returned in a uniform format.
  4. Versioning
  5. Model Management:
    • Internally used data models differ from those exposed to clients, ensuring separation and security.

Go Application Features:

  1. Configuration Management: via Environment Variables
  2. Dockerized Environment: Facilitates service deployment.
  3. Makefile: Automates common tasks for developers.
  4. Git Action: Automates build processes, runs tests, and generates code coverage.
  5. Integrated Go Formatter and Linter: Promotes code quality and consistency.
  6. Secrets Loading Mechanism from Sidecar
  7. Support for Multiple Databases: Enables connections to various database systems.
  8. Best Practices for MongoDB Connection
  9. Effective Mocking Practices for Unit Test Patterns
  10. Seed Data: for Local Development
  11. Standardized Filename Conventions: Enhances code readability.
  12. Multi-Stage Docker Build: Accelerates build processes.
  13. Versioning Utilizing Git Commit History

Folder Structure

go-rest-api-example/
├── main.go
├── internal/
│   ├── db
│   ├── errors
│   ├── handlers
│   ├── logger
│   ├── middleware
│   ├── models
│   ├── server
│   ├── util
│   └── mockData
├── localDevelopment/
├── Makefile
├── Dockerfile
├── OpenApi-vi.yaml
├── docker-compose.yaml
└── OpenApi-v1.postman_collection.json

QuickStart

Pre-requisites: Docker, Docker Compose, Make

  1. Start the service

     make start
    

Other Options:

Choose a command to run in go-rest-api-example:

  start                         Starts everything that is required to serve the APIs
  run                           Run the API server alone (without supplementary services such as DB etc.,)
  build                         Build the API server binary
  setup                         Start the dependencies only
  
  test                          Run tests
  coverage                      Measures and generate code coverage report
  tidy                          Tidy go modules
  format                        Format go code
  lint                          Run linter
  lint-fix                      Run linter and fix the issues
  clean                         Clean the docker resources
  docker-build                  Build the API server as a docker image
  owasp-report                  Generate OWASP report
  go-work                       Generate the go work file
  
  version                       Display the current version of the API server

Tools

  1. Routing - Gin
  2. Logging - zerolog
  3. Database - MongoDB
  4. Container - Docker

TODO

  • Add more and clear documentation about the features this offers and how to replace tools
  • Add DB Migration Support
  • Add more environmental profiles and obey all 12-Factor App rules
  • Implement all OWASP security checks specified in the API Spec
  • Improve error codes and messages
  • Add git hooks for pre-commit and pre-push

Good to have

  • Improve data model and add more fields
  • Deploy to cloud
  • Implement Update Operations mentioned in the API Spec

References

Contribute

  • Please feel free to Open PRs
  • Please create issues with any problem you noticed
  • Please suggest any improvements

Why this ?

I embarked on the endeavor of crafting my own open-source boilerplate repository for several reasons:

After years of developing Full Stack applications utilizing ReactJS and JVM-based languages, I observed that existing boilerplates tended to be either excessive or insufficient for my needs. Consequently, I resolved to construct my own, while adhering rigorously to the principles and guidelines of Go. While similarities with popular Go boilerplate templates may be evident, I have customized this repository to better align with my preferences and accumulated experiences. (My apologies if I inadvertently overlooked crediting any existing templates.)

I yearned for the autonomy to meticulously select the tools for fundamental functionalities such as Routing, Logging, and Configuration Management, ensuring seamless alignment with my personal preferences and specific requirements.

What this is not ?

  • This isn't a complete solution for all your needs. It's more like a basic template to kickstart your project.
  • This isn't the best place to begin if you want to make an online store. What I've provided is just a simple tool for managing data through an API.