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Markbnj/docker-inject-ec2-host-ip.sh

Created August 11, 2015 20:52
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Inject the ec2 instance private IP into a docker container at start
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docker-inject-ec2-host-ip.sh
# Sometimes you need to get the IP of the ec2 instance a container
# is running on. This script will get the IP from the local metadata
# service and inject it as an environment var.
localip=$(curl -s http://169.254.169.254/latest/meta-data/local-ipv4)
export HOST_IP=$localip
sudo docker run -i -t -e "HOST_IP=$localip" --name="test" -h="test" some-repo
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