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mikeclarke/env.sh

Created November 23, 2013 21:43
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Wrapper script for dealing with environment variables set by the `-link container_name:db` argument. The Dockerfile `ENV` directive will set a static environment variable inside the container, but it's not possible to reference dynamic environment variables (at least not very easily) with ENV. This script should be set as the `ENTRYPOINT` in an …
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env.sh
#!/bin/bash
# Docker doesn't have a great way to set runtime environment variables,
# so use this script to prepare the execution environnment for later processes.
export SQLALCHEMY_DATABASE_URI="postgresql://${DB_PORT_5432_TCP_ADDR}:5432/database_name"
# Execute the commands passed to this script
# e.g. "./env.sh venv/bin/nosetests --with-xunit
exec "$@"
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