Golang Service Start to Production

Overview

Create a robust Golang service, deploy it using Docker and Kubernetes, and enhance it with logging, configuration metrics, (continue ............)

Table of Contents

• Introduction
• Getting Started
  • Prerequisites
  • Installation
• Usage
  • Running the Application
  • Kubernetes Cluster
    • Setting up a Local Kubernetes Cluster
    • Deploying the Service to Kubernetes
• Commands
• Module Vendor Support

Things Covered

• Documentation using open api docs
• Packaged using Kubernetes
• Dockerized
• Middleware with JWT authentication
• Logging with Zap logger
• Microservice architecture
• Onion Layering
• sqlx used as Database ORM with PostgreSQL
• Unit testing
• Integration testing
• Opentelemetry with Prometheus, grafana, Loki, etc
• github workflow

Introduction

Getting Started

Prerequisites

• Docker
• Go (Golang)
• Kubernetes (optional for deploying to a local cluster)

Installation

Instructions on how to clone the repository and install the necessary dependencies.

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$ git clone https://github.com/avyukth/service-s2p.git
$ cd project
$ go mod tidy
$ go mod vendor

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Usage

Running the Application

To run the application locally, execute the following command:

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$ go run main.go

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Kubernetes Cluster

If you want to deploy the service to a Kubernetes cluster, follow the steps below.

Setting up a Local Kubernetes Cluster

Create a local Kubernetes cluster using Kind:

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$ make kind-up

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Deploying the Service to Kubernetes

Build and deploy the Docker image to the Kubernetes cluster:

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$ make kind-update-apply

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Commands

List and explain the different make commands available for managing the project.

• make run: Run the application locally using Go.
• make kind-up: Create a local Kubernetes cluster using Kind.
• make kind-down: Delete the local Kubernetes cluster.
• make kind-load: Load the Docker image into the Kind cluster.
• make kind-status: Get status information about the Kind cluster and its resources.
• make kind-apply: Apply Kubernetes manifests to the Kind cluster.
• make kind-status-service: Get status information about the deployed service pods.
• make kind-logs: Tail the logs for the service pods.
• make kind-restart: Restart the service pods in the Kind cluster.
• make kind-update: Build the Docker image, load it into the Kind cluster, and restart the service pods.
• make kind-describe: Get detailed information about the deployed service pods.
• make kind-update-apply: Build the Docker image, load it into the Kind cluster, and apply Kubernetes manifests.

Module Vendor Support

This section is dedicated to the support for Go modules vendor directory.

• make tidy: Perform go mod tidy and go mod vendor to clean up the Go module and vendor dependencies.

NB : Inspired by ardanlabs/service