#!/bin/sh 

# This shell script creates a docker image from an existing pdf2htmlEX
#
# This is the part which must be run *outside* of any docker container.

echo ""
echo "-------------------------------------------------------------------"
echo "CREATING pdf2htmlEX Docker Image (run outside any docker container)"
echo " (based on Alpine linux $BUILD_DIST)"
echo "-------------------------------------------------------------------"
echo ""

# Collect everything that will be needed...

# source buildScripts/reSourceVersionEnvs
. buildScripts/reSourceVersionEnvs

# source buildScripts/dockerFunctions
. buildScripts/dockerFunctions

set -ev

mkdir -p imageBuild/dockerDir

cd imageBuild/dockerDir

if [ -z "$DOCKER_FROM" ]; then
  echo ""
  read -p "Enter the docker image for the 'from' base: " DOCKER_FROM
  echo ""
  if [ -z "$DOCKER_FROM" ]; then
    echo "DOCKER_FROM not set... so we can not build the docker image"
    exit 1
  fi
fi

if [ -z "$DOCKER_USERNAME" ]; then
  echo ""
  read -p "Enter a docker username: " DOCKER_USERNAME
  echo ""
  if [ -z "$DOCKER_USERNAME" ]; then
    echo "DOCKER_USERNAME not set... so we can not build the docker image"
    exit 1
  fi
fi

export DOCKER_NAME="$DOCKER_USERNAME/pdf2htmlex:$PDF2HTMLEX_NAME"

echo "export DOCKER_FROM=\"$DOCKER_FROM\""         >> ../../buildScripts/reSourceVersionEnvs
echo "export DOCKER_USERNAME=\"$DOCKER_USERNAME\"" >> ../../buildScripts/reSourceVersionEnvs
echo "export DOCKER_NAME=\"$DOCKER_NAME\""         >> ../../buildScripts/reSourceVersionEnvs

cat > Dockerfile <<DOCKERFILE_HERE_DOC
FROM $DOCKER_FROM

COPY ./ /

RUN apk update &&    \
  apk add --no-cache \
    libstdc++        \
    libgcc           \
    gnu-libiconv     \
    gettext          \
    glib             \
    freetype         \
    fontconfig       \
    cairo            \
    libpng           \
    libjpeg-turbo    \
    libxml2

ENTRYPOINT ["$PDF2HTMLEX_PREFIX/bin/pdf2htmlEX"]
DOCKERFILE_HERE_DOC

cd ..

docker build -t $DOCKER_NAME dockerDir