Dockerfile to define locale on image
# Set default locale for the environment
RUN apt-get update && apt-get install -y locales
RUN dpkg-reconfigure locales && \
locale-gen C.UTF-8 && \
/usr/sbin/update-locale LANG=C.UTF-8
RUN echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen && \
locale-gen
ENV LC_ALL C.UTF-8
ENV LANG en_US.UTF-8
ENV LANGUAGE en_US.UTF-8