Script for view and copy the internal ip of a docker container

docker-view-network.sh

#!/usr/bin/env bash

set -euo pipefail

ID_WIDTH=$(docker ps --format "{{.ID}}" | awk '{ print length }' | sort -nr | head -n 1)
NAME_WIDTH=$(docker ps --format "{{.Names}}" | awk '{ print length }' | sort -nr | head -n 1)
IMAGE_WIDTH=$(docker ps --format "{{.Image}}" | awk '{ print length }' | sort -nr | head -n 1)

print_containers() {
	docker ps --format "{{.ID}} {{.Names}} {{.Image}}" | while read -r id name image; do
		printf "%-${ID_WIDTH}s \033[36m%-${NAME_WIDTH}s\033[0m %-${IMAGE_WIDTH}s\n" "$id" "$name" "$image"
	done
}

SELECTED_CONTAINER=$(print_containers | fzf --prompt="🐳 Docker Container  " --ansi --multi --no-sort --reverse)
SELECTED_CONTAINER_ID=$(echo "$SELECTED_CONTAINER" | awk '{print $1}')

if [ -n "$SELECTED_CONTAINER_ID" ]; then
	IP_ADDRESS=$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' $SELECTED_CONTAINER_ID)
	echo "IP address: $IP_ADDRESS"
	echo "$IP_ADDRESS" | xclip -selection clipboard
	# For MAC OS
	# echo "$IP_ADDRESS" | pbcopy
	echo "IP address copied to clipboard."
else
	echo "No container selected."
fi