-if docker network list | grep teraflowbridge; then echo "teraflowbridge is already created"; else docker network create -d bridge teraflowbridge; fi
-if docker network list | grep teraflowbridge; then echo "teraflowbridge is already created"; else docker network create --driver=bridge --subnet=172.28.0.0/24 --gateway=172.28.0.254 teraflowbridge; fi
-if docker container ls | grep ${IMAGE_NAME}-frontend; then docker rm -f ${IMAGE_NAME}-frontend; else echo "${IMAGE_NAME}-frontend image is not in the system"; fi
-if docker container ls | grep ${IMAGE_NAME}-backend; then docker rm -f ${IMAGE_NAME}-backend; else echo "${IMAGE_NAME}-backend image is not in the system"; fi