How to get a Docker container's IP address from the host?

2018-05-30 00:10:36

Is there a command I can run to get the container's IP address right from the host after a new container is created?

Basically, once Docker creates the container, I want to roll my own code deployment and container configuration scripts.

docker inspect <container id> | grep "IPAddress"

The --format option of inspect comes to the rescue.

Modern Docker client syntax:

docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' container_name_or_id

Old Docker client syntax:

docker inspect --format '{{ .NetworkSettings.IPAddress }}' container_name_or_id

Which will return just the IP address.

You can use docker inspect <container id>

Example:

CID=$(docker run -d -p 4321 base nc -lk 4321);
docker inspect $CID

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