spring-demo

Simple Spring Boot demo

This is simple spring-boot application demo. Spring Cloud Sleuth is enabled in this demo to improve log traceability.

Rest Endpoints

• GET http://localhost:8081/data/build-info

• GET http://localhost:8081/data/info

• POST http://localhost:8081/data/message

  { "data": "message" }
  

• REST endpoint handling generic data payloads
  POST http://localhost:8081/data/generics

  {"name":"simpleData","data":{"@class":"itx.examples.springboot.demo.dto.generic.SimpleDataPayload","simpleData":"simple"}}
  

  {"name":"complexData","data":{"@class":"itx.examples.springboot.demo.dto.generic.ComplexDataPayload","complexData":"complex"}}
  

• Returns information about incoming HTTP request as JSON response. This endpoint should be used for testing purposes. All http methods are supported.
  ALL http://localhost:8081/data/test

OpenAPI v3 docs and Swagger UI

• GET http://localhost:8081/v3/api-docs
• GET http://localhost:8081/v3/api-docs.yaml
• Swagger UI - http://localhost:8081/swagger-ui/index.html?url=/v3/api-docs

Actuator endpoints

• GET http://localhost:8081/actuator

Static Resources

• GET http://localhost:8081/static/index.html

Build and run

gradle clean build test
java -jar build/libs/spring-demo-1.0.0-SNAPSHOT.jar

Build Docker Image

Docker files for x86_64 and ARM aarch64 architectures are available. This example shows how to build docker image for x86_64 architecture.

export ARCH=amd64
export VERSION=1.0.4
#export ARCH=arm64v8
docker build -t jurajveverka/spring-demo:${VERSION} .
docker push jurajveverka/spring-demo:${VERSION}
docker run -p 8081:8081 -d jurajveverka/spring-demo:${VERSION} -n spring-demo
docker exec -ti spring-demo /bin/bash

Run with Docker

docker run -p 8081:8081 jurajveverka/spring-demo:${VERSION}

Run with Docker Swarm

sudo docker stack deploy -c spring-demo-swarm.yml spring-demo
sudo docker stack services spring-demo
sudo docker stack rm spring-demo

LogBack configuration

• logback.xml - custom logger configuration.
• LogUtils - how to log custom data.