Docker container communication over same network example

Makefile

NGINX_CONTAINER_NAME := nginx-test
NGINX_CONTAINER_IMAGE := nginx:1.11.12-alpine
TOOLBOX_CONTAINER_NAME := docker-toolbox
TOOLBOX_CONTAINER_IMAGE := sjourdan/toolbox
NETWORK := test-network

.PHONY : check clean

check:
	-@ docker network create $(NETWORK)
	-@ docker run --network=$(NETWORK) --name=$(NGINX_CONTAINER_NAME) -d $(NGINX_CONTAINER_IMAGE)
	-@ docker run --network=$(NETWORK) --name=$(TOOLBOX_CONTAINER_NAME) $(TOOLBOX_CONTAINER_IMAGE) \
		nc nginx-test 80 && \
		echo "Connected succesfully"

clean:
	-@ docker stop $(NGINX_CONTAINER_NAME) && \
		docker rm -f $(NGINX_CONTAINER_NAME) $(TOOLBOX_CONTAINER_NAME) && \
		docker rmi $(NGINX_CONTAINER_IMAGE) $(TOOLBOX_CONTAINER_IMAGE)
		docker network rm $(NETWORK)