Feature/kasm 1838 libjpeg turbo from source (#49)

New build option with latest stable libjpeg-turbo library

builder/build-deb

@@ -5,12 +5,17 @@ set -e
 cd "$(dirname "$0")/.."
 . builder/os_ver_cli.sh
 
-docker build -t debbuilder_${os}:${os_codename} -f \
-  builder/dockerfile.${os}_${os_codename}.deb.build .
-
-deb_output_dir=$(cd .. && echo $PWD)
 L_UID=$(id -u) #Ubuntu already has UID env var, but this should work on all Linix systems
 L_GID=$(id -g)
-docker run --rm -v "$deb_output_dir":/src --user $L_UID:$L_GID \
-  debbuilder_${os}:${os_codename} /bin/bash -c \
+
+builder_image=debbuilder_${os}:${os_codename}${build_tag_for_images}
+docker build --build-arg KASMVNC_PACKAGE_DIR="builder/build/${os_codename}" \
+  --build-arg L_UID="$L_UID" \
+  -t "$builder_image" -f \
+  builder/dockerfile.${os}_${os_codename}${build_tag}.deb.build .
+
+deb_output_dir=$(cd .. && echo $PWD)
+docker run --rm -v "$deb_output_dir":/src -e BUILD_TAG="$build_tag" \
+  --user "$L_UID:$L_GID" \
+  "$builder_image" /bin/bash -c \
   '/src/*/builder/build-deb-inside-docker'