Go Temporal Example

Description

• The following is a description of a Go source code that demonstrates the integration of Temporal.io, a powerful workflow automation platform. Temporal.io simplifies the development of complex distributed systems by providing a programming model that enables developers to write fault-tolerant and scalable workflows using Go and other programming languages.
• This Go source-code showcases how to integrate Temporal.io into a Go application, enabling developers to build resilient, fault-tolerant, and scalable distributed systems. The combination of Temporal.io's workflow automation capabilities with the versatility of Go makes it a powerful solution for complex business processes and mission-critical applications.

Key features

• Dependencies
• Workflow Definition
• Activity Implementations
• Workflow Registration
• Temporal.io Client Setup
• Main Function
• Error Handling and Logging

Prerequisites

How to run local

How to run ci/cd

Technologies

• Languages: Go
• SDK: temporal.io
• Network: gRPC, HTTP
• Docker
• Cloud vendor: AWS Secret Manager

Directory structure

📁 api // 
|__ 📁 applications
    |__ 📁 commands
        |__ campaign.go
        |__ record.go
        |__ usage.go
    |__ 📁 queries
        |__ campaign.go
        |__ record.go
        |__ usage.go
|__ 📁 domains
    |__ 📁 entities
        |__ campaign.go
        |__ campaign_draft.go
        |__ campaign_integrate.go
        |__ campaign_meta_field.go
        |__ ...
    |__ 📁 services
    |__ 📁 repositories
        |__ campaign_repository.go
        |__ record_repository.go
    |__ 📁 values
|__ 📁 infrastructures
    |__ 📁 persistence
    |__ 📁 secrets
|__ 📁 interfaces
    |__ 📁 middleware
    |__ campaign_handle.go
    |__ configure_handle.go
    |__ record_handle.go
    |__ usage_handle.go
|__ 📁 cmd
    |__ main.go
|__ 📁 configs
    |__ .env
    |__ app.go
|__ 📁 docs
|__ docker-compose.yml
|__ go.mod
|__ go.sum
|__ README.md

References

• https://dev.to/stevensunflash/using-domain-driven-design-ddd-in-golang-3ee5
• https://github.com/victorsteven/food-app-server/tree/master/domain
• DDD vs CQRS: https://github.com/authena-ru/courses-organization/tree/main
• Go GRPC middleware: https://github.com/grpc-ecosystem/go-grpc-middleware/tree/main/interceptors