build-arg.sh

set -ex
USERNAME=$1             # docker-hub username
APP_VER_BASEOS_VER=$2   # ./build-arg.sh sitkevij vmaf:0.6.2-alpine:3.7
echo "1=$1"
echo "2=$2"
APP_VERSION=$(echo $APP_VER_BASEOS_VER | cut -f1 -d-)
APP_VERSION=$(echo $APP_VERSION | cut -f2 -d:)
BASEOS_VER=$(echo $APP_VER_BASEOS_VER | cut -f2 -d-)
OS=$(echo $BASEOS_VER | cut -f1 -d:)
IMAGE=$(echo $APP_VER_BASEOS_VER | cut -f1 -d:)
echo "USERNAME=$USERNAME"
echo "APP_VERSION=$APP_VERSION"
echo "BASEOS_VER=$BASEOS_VER"
echo "IMAGE=$IMAGE"
# IMAGE=$IMAGE            # image name
# LOCAL_DIR=$OS
LOCAL_DIR=alpine
docker build --no-cache \
	--build-arg BASEOS_VER=$BASEOS_VER \
	--build-arg APP_VER=$APP_VERSION \
	--build-arg VCS_REF=`git rev-parse --short HEAD` \
	--build-arg BUILD_DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"` \
	-t $USERNAME/$IMAGE:latest -t $USERNAME/$IMAGE:$APP_VERSION $LOCAL_DIR
echo "# $IMAGE $APP_VERSION $BASE" >$LOCAL_DIR/README.md
echo "\`\`\`" >>$LOCAL_DIR/README.md
docker run --rm $USERNAME/$IMAGE >>$LOCAL_DIR/README.md
echo "\`\`\`" >>$LOCAL_DIR/README.md