Attach an existing network when run a docker

docker run --publish 3001:3001 --env-file .env --network network-name image-name

Connect to your host localhost from a container

• Use --network host in your docker run command, then 127.0.0.1 in your docker container will point to your docker host.

docker run --publish 3001:3001 --env-file .env --network host image