Dockerfile

#######################################################################
# Squeezelite
# https://github.com/ralph-irving/squeezelite
#######################################################################

# Base image: https://github.com/phusion/baseimage-docker
FROM phusion/baseimage:0.9.22

# Set correct environment variables
ENV DEBIAN_FRONTEND="noninteractive"
ENV LC_ALL="C.UTF-8" 
ENV LANG="en_US.UTF-8" 
ENV LANGUAGE="en_US.UTF-8" 

# Use baseimage-docker's init system.
CMD ["/sbin/my_init"]

# Upgrading the operating system inside the container
RUN apt-get update && apt-get upgrade -y -o Dpkg::Options::="--force-confold"

# Install Squeezelite
RUN apt-get -qq -y update && \
    apt-get -qq -y install alsa-base alsa-utils curl && \
	curl -o squeezelite.tar.gz -L https://sourceforge.net/projects/lmsclients/files/squeezelite/linux/squeezelite-1.8.7-1052-ubuntu-lts-x86_64.tar.gz/download	&& \
	tar -xvzf squeezelite.tar.gz && \
    mv squeezelite /usr/bin && \
    chmod +x /usr/bin/squeezelite && \
	rm -f LICENSE.txt && \
	rm -f squeezelite.tar.gz

# Clean up APT when done.
RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
	
# Adding daemon
RUN mkdir /etc/service/squeezelite
COPY squeezelite.sh /etc/service/squeezelite/run
RUN chmod +x /etc/service/squeezelite/run

VOLUME /config