Java + Docker — Complete Guide
📌 Introduction Modern Java applications need to be portable, scalable, and easy to deploy . This is where Docker comes in. Docker allows you to package your Java application along with all dependencies into a container , ensuring it runs the same across environments. 👉 No more “it works on my machine” problems. đź§© What is Docker? Docker is a containerization platform that enables you to: Package applications into containers Run them consistently anywhere Isolate dependencies Scale applications easily 👉 For Java developers, Docker is essential for microservices, CI/CD, and cloud deployments . 🏗️ How Docker Works with Java Basic flow: Java App → Docker Image → Docker Container → Run Anywhere ⚙️ Key Docker Concepts 1. Image Blueprint of your application 2. Container Running instance of an image 3. Dockerfile Script to build images 4. Docker Hub Repository for images đź§Ş Creating a Dockerized Java App 1️⃣ Simple Spring Boot App Build your JAR: mvn clean package 2️⃣ Create Dockerfile FR...