build-image

#!/usr/bin/env bash

set -e

__tag() {
  local kafka="${1}"
  local scala="${2}"
  printf "${kafka}-${scala}"
}

DEFAULT_ARG_JRE='eclipse-temurin:17.0.5_8-jre-jammy'
DEFAULT_ARG_SCALA='2.13'
DEFAULT_ARG_KAFKA='3.3.1'
DEFAULT_ARG_TAG=$(__tag "${DEFAULT_ARG_SCALA}" "${DEFAULT_ARG_KAFKA}")

__show_help() {
  echo "$0"
  echo "     -h, --help                 Display this message"
  echo "     -j, --jre       <string>   Set jre version   (default ${DEFAULT_ARG_JRE})"
  echo "     -s, --scala     <string>   Set scala version (default ${DEFAULT_ARG_SCALA})"
  echo "     -k, --kafka     <string>   Set kafka version (default ${DEFAULT_ARG_KAFKA})"
  echo "     -t, --tag       <string>   Set image tag     (default ${DEFAULT_ARG_TAG})"
  echo "     -p, --push                 Push image after build is complete"
  echo "     -l, --load                 Load image to local docker after build is complete"
}

ARG_JRE=$DEFAULT_ARG_JRE
ARG_SCALA=$DEFAULT_ARG_SCALA
ARG_KAFKA=$DEFAULT_ARG_KAFKA
ARG_TAG=
ARG_PUSH=
ARG_PLATFORM="--platform=linux/amd64,linux/arm64/v8"
while (($#)); do
  case "${1}" in
    -h|--help)
      __show_help
      exit 0
      ;;
    -j|--jre)
      ARG_JRE="${2}"
      shift 2
      ;;
    -s|--scala)
      ARG_SCALA="${2}"
      shift 2
      ;;
    -k|--kafka)
      ARG_KAFKA="${2}"
      shift 2
      ;;
    -t|--tag)
      ARG_TAG="${2}"
      shift 2
      ;;
    -p|--push)
      ARG_PUSH="--output=type=registry"
      shift
      ;;
    -l|--load)
      ARG_PLATFORM=
      ARG_PUSH="--output=type=docker"
      shift
      ;;
    *)
      echo "Wrong arguments"
      __show_help
      exit 1
      ;;
  esac
done

[ -z "${ARG_TAG}" ] && ARG_TAG=$(__tag "${ARG_KAFKA}" "${ARG_SCALA}")

IMAGE_NAME="moukoublen/kafka:${ARG_TAG}"

echo -e "\e[34m>>>\e[0m Building \e[34m${IMAGE_NAME}\e[0m"
echo -e "             with jre      \e[34m${ARG_JRE}\e[0m"
echo -e "             with scala    \e[34m${ARG_SCALA}\e[0m"
echo -e "             with kafka    \e[34m${ARG_KAFKA}\e[0m"
echo ""

#docker pull "${IMAGE_NAME}"
set -x
docker buildx build . \
  ${ARG_PUSH} \
  ${ARG_PLATFORM} \
  --build-arg jre="${ARG_JRE}" \
  --build-arg kafka_version="${ARG_KAFKA}" \
  --build-arg scala_version="${ARG_SCALA}" \
  --tag "${IMAGE_NAME}"