docker custom commands

docker-custom-commands.sh

# Description: Custom docker commands
# Usage: docker <command> <args>
#
# docker ip <container_name> - Get the IP address of a container
# docker env <container_name> - Get the environment variables of a container
# docker labels <container_name> - Get the labels of a container
# docker id <container_name> - Get the ID of a container
#
# docker name inspect <container_name> - Inspect a container by name
# docker name ip <container_name> - Get the IP address of a container by name
#
# docker image labels <image_name> - Get the labels of an image
#
# docker service env <service_name> - Get the environment variables of a service
# docker service labels <service_name> - Get the labels of a service
# docker service ps - List all running services with their nodes, names and images
function docker() {
    case "$1" in
        ip)
            command docker inspect --format '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "${@:2}"
            ;;
        env)
            command docker inspect --format '{{json .Config.Env}}' "${@:2}" | jq
            ;;
        labels) 
            command docker inspect --format='{{json .Config.Labels}}' "${@:2}" | jq
            ;; 
        id)
            command docker ps -f "name=$2" --format "{{.ID}}"
            ;;
        name)
            case "$2" in
                inspect)
                    command docker inspect $(docker id $3)
                ;;
                ip) 
                    docker ip $(docker id $3)
                ;;
                *)
                    command docker "$@"
                ;;
            esac
            ;;
        image)
            if [ "$2" = labels ]; then
                command docker image inspect -f "{{json .Config.Labels}}" "${@:3}" | jq
            else 
                command docker "$@"
            fi
            ;;
        service)
            if [ "$2" = env ]; then
                command docker service inspect -f "{{json .Spec.TaskTemplate.ContainerSpec.Env}}" "${@:3}" | jq
            elif [ "$2" = labels ]; then
                command docker service inspect -f "{{json .Spec.Labels}}" "${@:3}" | jq
            elif [ "$2" = ps ]; then
                for name in $(command docker stack ls --format '{{.Name}}'); do
                  command docker stack ps $name --filter="desired-state=running" --format '{{.Node}}\t{{.Name}}\t{{.Image}}'
                done | sort | column -t
            else
                command docker "$@"
            fi
            ;;
        *)
            command docker "$@"
            ;;
    esac
}

Source this file from bashrc or zshrc.