yanixdo/java_multistage repository overview

⁠Java_simpleapp

⁠📋 Description

java_simpleapp is a lightweight Java application designed as an example of how to build and run Java projects using Docker and Maven. This project demonstrates a simple "Hello, World!" application, packaged in a multi-stage Docker build to ensure efficiency and scalability.

⁠🚀 Start of work

⁠1. Clone the repository

git clone https://github.com/YanaDevOps/java_simpleapp.git
cd java_simpleapp

⁠2. Build and run the container

docker build -t java_simpleapp:1.0.0 .
docker run --rm java_simpleapp:1.0.0

⁠3. Expected output

When you run the container, the following message will be displayed:

Hello, World from Docker!

⁠📂 Project structure

java_simpleapp/
├── Dockerfile
├── pom.xml
└── src/
    └── main/
        └── java/
            └── com/
                └── example/
                    └── App.java

• Dockerfile: Configuration file for creating a multi-stage Docker image.
• pom.xml: Maven configuration file for building the Java project.
• App.java: Main Java application that outputs "Hello, World from Docker!".

⁠🌟 Functionality

• Multi-Stage Build: Optimized Dockerfile for building and running Java applications.
• Lightweight JRE Image: Uses JRE instead of JDK in the final stage for reduced image size.
• Hello, World Application: Simple application demonstrating Java with Docker and Maven integration.

⁠💻 Technology

• Java 11
• Maven
• Docker

⁠👤 Author

Name: Yana Lysenko

GitHub: YanaDevOps⁠