Spring Boot + Docker + MySQL 🔥 | Docker for Java Developers

If you are a Java or Spring Boot developer working with microservices, then Docker is no longer optional. It has become one of the most important skills for backend developers. In this video, we are not just learning Docker commands. We are going to understand how Docker actually works behind the scenes with a real Spring Boot + MySQL application. Learn Docker Basics in 1 video Learn Docker in 2 Hours 🚀 | Java & Spring Boot Dev → Docker PRO    • Learn Docker in 2 Hours 🚀 | Java & Spring ...   For More free/paid courses visit www.seleniumexpress.com ⏱ TIMESTAMPS 00:00 - Docker Intermediate Intro 00:43 - Spring Boot + MySQL in ONE Container? 🤔 04:17 - Session Goal 04:58 - Spring Boot + H2 Setup 16:41 - Dockerizing the Spring Boot App 18:29 - Writing the Dockerfile 21:24 - Building the Docker Image 22:31 - Running Spring Boot + H2 in Docker 24:21 - Enabling Remote H2 Access 25:25 - H2 vs MySQL in Docker 27:43 - Running MySQL in Docker 35:22 - Spring Boot ↔ MySQL Container Communication 46:42 - Detached & Interactive Modes (-d -it) 50:27 - MySQL Connection Successful 53:14 - Docker Port Mapping Explained 58:58 - Container to Host Communication 1:12:12 - Docker Best Practices: One Container per Service In this session, we will learn: ✔ Dockerizing a Spring Boot application ✔ Running Spring Boot inside Docker ✔ Running MySQL inside Docker ✔ H2 Database inside Docker container ✔ Docker networking Prerequisites ✔ Docker port mapping explained ✔ Container to Host communication ✔ Why localhost stops working inside containers ✔ Docker detached mode (-d) ✔ Interactive mode (-it) ✔ Docker exec ✔ Dockerfile best practices ✔ Why “One Container Per Service” matters ✔ Why Spring Boot & MySQL should NOT run inside the same container This is not one of those basic “hello-world” Docker tutorials. This video is specially designed for: Java Developers Spring Boot Developers Backend Developers Microservices Developers Developers preparing for interviews Developers learning real-world Docker We start with a very simple Spring Boot + H2 setup and gradually move towards MySQL containerization while understanding the biggest confusion beginners face: 👉 “Why localhost is not working inside Docker containers?” Along the way, we also discuss: Docker Images vs Containers Docker Host Host Port vs Container Port JDBC connection inside Docker MySQL Docker Environment Variables Docker Architecture mindset SOLID principle connection with containers Single Responsibility Principle in Docker Instead of blindly memorizing commands, we focus on understanding WHAT is actually happening behind the scenes. 🔥 Topics Covered Docker for Java Developers Spring Boot Docker Tutorial Spring Boot + Docker + MySQL Docker Networking Docker Port Mapping Docker Host Communication Container Networking Docker Compose Concepts Dockerfile Tutorial MySQL in Docker Docker for Backend Developers Docker for Microservices Spring Boot MySQL Docker Integration Docker Best Practices Container to Container Communication Docker Architecture Docker Interview Questions Docker Explained for Beginners 🎓 Related Courses – For reference ⚡ Reactive Java with Project Reactor    • Reactive Programming 01 - Java Stream Vs R...   📘 Java Streams & Lambda Expressions    • Stream API in Java : Foundation |  Java 8   🔁 Generics in Java Explained    • From Beginner to Expert:  Why Java Generic...   🌐 Spring Boot Crash Course    • Spring Vs Spring Boot - Why Spring Boot ? ...   ▶️ Spring Boot Microservices    • What the heck is Spring Cloud ? An Introdu...   ▶️ Apache Kafka Essentials    • Apache Kafka Tutorial for Beginners - Setu...   ▶️ Spring Bootcamp (FREE)    • Spring Framework 6 - project setup | Sprin...   ▶️ Spring Live Mock Interview    • Java interview questions and answers for e...   Feel free to ask for support. Email me at [email protected] For More free/paid courses visit www.seleniumexpress.com Facebook   / seleniumexpress   Facebook support Group “SeleniumExpress - Support"   / 187000222361579   Follow me on Insta   / selenium_express   #docker #dockerforbeginners #springboot #microservices #devops