🚀 How to Deploy and Run Your Spring Boot Application in Docker | Full Tutorial for Beginners | Java
In this complete tutorial, you'll learn how to deploy and run your Spring Boot application in Docker — step by step, from scratch. This video is perfect for Java developers, backend engineers, and DevOps beginners looking to understand containerization using Docker.
We'll start by explaining what Docker is, its architecture in layman’s terms, and then show how to:
Run Spring Boot app manually in Docker without a Dockerfile
Write a production-ready Dockerfile for your app
Build and tag Docker images
Run your app inside a Docker container
Expose and access your app using ports
Debug common Docker issues during development
✅ What You'll Learn:
What is Docker and why developers use it
Docker vs Virtual Machines
Docker architecture explained visually
How to containerize a Spring Boot JAR
Best practices for Dockerfile creation
Run & verify container using Docker CLI
🎯 By the end of this video, you'll be able to confidently package and deploy your Java backend in Docker — ready for production or cloud deployment (like AWS, Azure, etc.).
🔧 Technologies used:
Java 17+ (OpenJDK 25 slim image)
Spring Boot
Docker CLI
🧰 Prerequisites:
Basic Java knowledge
Spring Boot project with a JAR ready
Docker installed on your system
📌 Commands and Dockerfile shared in the video description for easy copy-paste.
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