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

Prerequisite

Installed:
Docker
git

Optional:
Docker-Compose
Java 1.8 or 11.1
Maven 3.x

Steps

Clone source code from git

$  git clone https://github.com/sundararajanr/spring_boot.git .

Build Docker image

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

Maven build will be executes during creation of the docker image.

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

Run Docker Container

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

Test application

$ curl localhost:8080

the respone should be:

Hello World

Stop Docker Container:

docker stop `docker container ls | grep "hello-world-java:*" | awk '{ print $1 }'`

Run with docker-compose

Build and start the container by running

$ docker-compose up -d 

Test application with curl command

$ curl localhost:8080

the respone should be:

Hello World

Stop Docker Container:

docker-compose down