Setting system properties from config server (or application.properties)

SystemPropertiesApplication.java

package com.example;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.core.env.Environment;


@SpringBootApplication
public class SystemPropertiesApplication implements CommandLineRunner{

	public static void main(String[] args) {
		SpringApplication.run(SystemPropertiesApplication.class, args);
	}

	private final Environment env;

	@Autowired
	public SystemPropertiesApplication(Environment env) {
		this.env = env;
	}


	@Override
	public void run(String... strings) throws Exception {

		if(env.containsProperty("system.javax.net.ssl.keyStore")) {
			String keystore = env.getProperty("system.javax.net.ssl.keyStore");
			System.out.println(keystore);

			System.getProperties().setProperty("javax.net.ssl.keyStore", keystore);
		}
	}
}