#Based on some of the answers I loved, I decided to merge them to a function to get all the IP addresses and another for an specific container. They are now in my .bashrc file.
docker-ips() {
docker inspect --format='{{.Name}} - {{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' $(docker ps -aq)
}
docker-ip() {
docker inspect --format '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$@"
}
#The first command gives the IP address of all the containers and the second a specific container's IP address.
docker-ips
docker-ip YOUR_CONTAINER_ID