docker-flash.sh

#!/bin/bash

# Store this file to flash-drive.
# Run as
#     bash ./docker-flash.sh
# All images from list below will are installed.
# Also it keep dump nearby of flash-drive to reduce installation time with slow internet connection.

images_arr=(
  "debian:bullseye-slim"
  "debian:buster-slim"
  "debian:jessie-slim"
  "ubuntu:22.04"
  
  "golang:1.18"
  "golang:1.18-bullseye"
  "node:16-alpine"
  "python:3.11"
  "python:3.8.16-alpine"
  
  "postgres:11.10-alpine"
  "clickhouse/clickhouse-server:22.3.10.22-alpine"
  "neo4j:4.2.0"
  "arangodb:3.10"
  "janusgraph/janusgraph:1.0.0-rc1"
  "scylladb/scylla:3.1.2"
  
  "confluentinc/cp-kafka:6.0.7"
  "wurstmeister/kafka:2.13-2.8.1"
  "confluentinc/cp-zookeeper:6.1.9"
  
  "provectuslabs/kafka-ui:latest"
  "provectuslabs/kafka-ui:master"
  "prom/prometheus:v2.22.2"
  
  "mysql:8.0.32-debian"
  "mariadb:10.9.5-jammy"
  "phpmyadmin:5.2.1-fpm"
  "composer:2.5.4"
  "php:8.1-fpm"
  "php:8.1.16-fpm-bullseye"
  "php:8.0.28-fpm"
  "php:7.4-fpm-bullseye"
  "nginx:latest"
  "nginx:1.23.3-alpine"
)

mkdir -p ./dump

function get_dump_filename() {
  local image=$1
  local dump_filename=${image}
  local dump_filename=${dump_filename//:/.}
  local dump_filename=${dump_filename////.}
  local dump_filename="./dump/${dump_filename}.tar.gz"
  
  echo "${dump_filename}"
}

for image in ${images_arr[@]}; do
  dump_filename=$(get_dump_filename $image)
  
  if [[ "$(docker images -q ${image} 2> /dev/null)" == "" ]]; then
    # Image is not found on local machine
    
    if [[ -f ${dump_filename} ]]; then
      docker load < "${dump_filename}"
    else
      docker pull $image
    fi
  fi
  
  if [[ ! -f ${dump_filename} ]]; then
    echo "Save ${image} to ${dump_filename} ..."
    docker save $image | gzip > ${dump_filename}
    echo "Done."
  fi
  
done