Get docker run for a container name or ID

get_docker_run.sh

#!/bin/bash
set -euo pipefail

# ./get_docker_run.sh c56975e847b4
# docker run -d -e "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" -v /root:/data  public.ecr.aws/docker/library/amazonlinux:2023 /bin/bash

if [[ "$#" -ne 1 ]]; then
    echo "Usage: $0 <container_name_or_id>"
    exit 1
fi

container="$1"

docker_inspect="$(docker inspect $container)"
image="$(echo $docker_inspect | jq -r '.[0].Config.Image')"

entrypoint="$(echo $docker_inspect | jq -r '.[0].Config.Entrypoint[]?' 2>/dev/null | tr '\n' ' ' | sed 's/ $//')"
entrypoint_cmd=""
[[ -n "$entrypoint" ]] && entrypoint_cmd="--entrypoint=\"$entrypoint\" "

cmd="$(echo $docker_inspect | jq -r '.[0].Config.Cmd[]?' 2>/dev/null | tr '\n' ' ' | sed 's/ $//')"
cmd_str=""
[[ -n "$cmd" ]] && cmd_str="$cmd"

env_vars="$(echo $docker_inspect | jq -r '.[0].Config.Env[]?' 2>/dev/null | awk '{print "-e \""$0"\""}' | tr '\n' ' ')"

volumes="$(echo $docker_inspect | jq -r '.[0].HostConfig.Binds[]?' 2>/dev/null | awk '{print "-v "$0}' | tr '\n' ' ')"

ports="$(echo $docker_inspect | jq -r '.[0].HostConfig.PortBindings | keys[]?' 2>/dev/null | \
  xargs -I{} bash -c "echo $docker_inspect | \
  jq -r '.[0].HostConfig.PortBindings.\"{}\"[0].HostPort + \":{}\"'" | \
  awk '{print "-p "$0}' | tr '\n' ' ')"

echo "docker run -d $entrypoint_cmd$env_vars$volumes$ports $image $cmd_str"