zxing dockerfile

Dockerfile

FROM java
RUN wget https://oss.sonatype.org/content/repositories/snapshots/com/google/zxing/javase/3.2.2-SNAPSHOT/javase-3.2.2-20151101.162926-3.jar
RUN wget https://oss.sonatype.org/content/repositories/snapshots/com/google/zxing/core/3.2.2-SNAPSHOT/core-3.2.2-20151101.162918-3.jar
RUN wget https://repo1.maven.org/maven2/com/beust/jcommander/1.48/jcommander-1.48.jar
ENTRYPOINT ["java","-cp", "core-3.2.2-20151101.162918-3.jar:javase-3.2.2-20151101.162926-3.jar:jcommander-1.48.jar", "com.google.zxing.client.j2se.CommandLineRunner"]

howto.sh

#!/bin/sh

#Run like this
set -e
if [ ! -f IMG.jpg ] ; then echo "The image file to convert doesn't exist!" && exit 1 ; fi
docker build -t zxing .
docker run --net=none -v $PWD/IMG.jpg:/IMG.jpg --rm zxing --try_harder file:///IMG.jpg