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# Get CentOS 7 Docker image
FROM centos:7

# Variables – EDIT ME WITH CORRECT VERSION
ENV zixiversion 13.1.38986

# Copy Zixi installer to new image and extract files
COPY zixi_broadcaster- ${zixiversion}.tar.gz .
RUN tar -xvf zixi_broadcaster- ${zixiversion}.tar.gz

# Copy files to proper folder
RUN cp /zixi_broadcaster-centos7-transcoder/scripts/centos7/* /zixi_broadcaster-centos7-transcoder/

# Create link to executable with no version for ENTRYPOINT command
RUN ln -s /zixi_broadcaster-centos7-transcoder/zixi_broadcaster-${zixiversion} /zixi_broadcaster-centos7-transcoder/zixi_broadcaster

# Install necessary Linux packages
RUN yum update -y
RUN yum install -y net-tools net-snmp-utils iproute ethtool ntp initscripts openssh openssh-clients openssh-server

# Informs Docker that the container listens on the specified ports
# These are relevant ports for Broadcaster but some may not be necessary depending on use case
# Ports that will be used need to published upon running the image for bridged mode
# Some other ports may need to be added for RTP/UDP streams.

# Web management UI, HTTP protocol
EXPOSE 4444/TCP
# Feeder push to Broadcaster, Zixi protocol
EXPOSE 2088/UDP
# Feeder push to Broadcaster, Zixi protocol with DTLS 
EXPOSE 7088/UDP
# Receiver pull from Broadcaster, Zixi protocol
EXPOSE 2077/UDP
# Receiver pull from Broadcaster, Zixi protocol with DTLS
EXPOSE 7077/UDP
# Encoder push to Broadcaster, RTMP protocol
EXPOSE 1935/TCP
# HTTP streaming protocol - HLS or DASH when Broadcaster is origin server
EXPOSE 7777/TCP
# Sample port range for UDP input to Broadcaster, application dependent
EXPOSE 10000-19999/UDP
# Sample port range for web management UI, application dependent
EXPOSE 20000-29999/TCP


# Preinstall a config file setting logs to be stored at zixi_broadcaster-centos7-transcoder/logs
# Other settings for default behavior could be added to the config file as well
COPY broadcaster-config-template.xml zixi_broadcaster-centos7-transcoder/broadcaster-config.xml

# Create logs folder
WORKDIR /zixi_broadcaster-centos7-transcoder/logs

# Set final working directory
WORKDIR /zixi_broadcaster-centos7-transcoder 

# Set the executable to start when the container is run
ENTRYPOINT ["./zixi_broadcaster", "--no-daemon"]