Hello World sample shows how to deploy SpringBoot RESTful web service application with Docker

Prerequisite

Installed: Docker, Java 1.8, Maven 3.x

Steps

Clone source code from git

$  git clone https://github.com/dstar55/docker-hello-world-spring-boot .

Build project with Maven

$ mvn clean install

Move application to data folder

$ mv ./target/hello*.jar ./data

Build Docker image

$ docker build -t="hello-world-java" .

Note:if you run this command for first time it will take some time in order to download base image from DockerHub

Run Docker image

$ docker run -p 8080:8080 -it --rm hello-world-java

Test application

first you need to find ContainerId of the running Docker image

$ docker ps

you can find ContainerId in a row where IMAGE column contains 'hello-world-java' phrase

then you need to find IP address of the running Docker image

$ docker inspect --format '{{ .NetworkSettings.IPAddress }}' [ContainerId]

now test application

$ curl [IPAddress]:8080

the respone should be

Hello World