The service, what contains the configuration for other services
Run following commands in terminal (project folder):
# create new package
$ mvn clean package
# build named Docker image
$ docker build . -t config-server
# separate run image in background mode (detached, without environment variables)
# env variables definition example: -e "SPRING_PROFILES_ACTIVE=dev"
$ docker run -d -p8071:8071 --name config-server config-server:latest
# get info about all running containers
$ docker ps