https://github.com/SAP/SapMachine/issues/615

Dockerfile

#docker build -t my/sapmachine-github-issue-615 .
#docker run -it my/sapmachine-github-issue-615
FROM sapmachine:11.0.6

RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y locales vim

RUN sed -i -e 's/# fr_CH.UTF-8 UTF-8/fr_CH.UTF-8 UTF-8/' /etc/locale.gen && \
    dpkg-reconfigure --frontend=noninteractive locales && \
    update-locale LANG=fr_CH.UTF-8

ENV LC_ALL fr_CH.UTF-8
ENV LANG fr_CH.UTF-8
ENV LANGUAGE fr_CH.UTF-8

RUN echo 'import java.text.NumberFormat;\n\
import java.util.Locale;\n\
\n\
public class Test {\n\
        public static void main(String args[]) {\n\
                Double value = 1000000.4;\n\
                NumberFormat format = NumberFormat.getInstance(new Locale("fr", "CH"));\n\
                format.setMinimumFractionDigits(2);\n\
                System.out.println(format.format(value));\n\
        }\n\
}' > /tmp/Test.java && \
    javac /tmp/Test.java

ENTRYPOINT \
echo '==> export'&& \
export && \
echo && \
echo '==> java --version' && \
java --version && \
echo && \
echo '==> java -cp /tmp Test' && \
java -cp /tmp Test && \
echo && \
echo '==> java -cp /tmp -Djava.locale.providers=COMPAT,CLDR Test' && \
java -cp /tmp -Djava.locale.providers=COMPAT,CLDR Test && \
echo && \
/bin/bash