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docker-go-app

Multi-Stage Docker Build for a Go Application

This project is part of a series of 1-2 hour projects designed to sharpen Go fundamentals with a focus on DevOps practices.

Project Overview

This project demonstrates how to use multi-stage Docker builds to create a Go application that is efficiently packaged and ready for deployment. The steps outlined below guide you through writing a simple Go application, containerizing it using Docker, and understanding the benefits of this approach.

Steps

Step 1: Write a Simple Go Application

  • Develop a basic HTTP server in Go that serves a simple "Hello, Docker!" message.

Step 2: Create a Dockerfile with Multi-Stage Builds

  • Use a multi-stage Dockerfile to compile the Go application and create a minimal Docker image that includes only the compiled binary.

Step 3: Build and Run the Docker Container

  • Build the Docker image and run the container to ensure the application operates as expected.

Step 4: Optimize and Understand

  • Explore how multi-stage builds minimize the Docker image size and why this is beneficial for deployment.