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@@ -0,0 +1,23 @@
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+=================================
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+Docker Index Environment Variable
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+=================================
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+
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+Variable
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+--------
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+
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+.. code-block:: sh
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+
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+ DOCKER_INDEX_URL
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+
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+Setting this environment variable on the docker server will change the URL docker index.
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+This address is used in commands such as ``docker login``, ``docker push`` and ``docker pull``.
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+The docker daemon doesn't need to be restarted for this parameter to take effect.
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+
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+Example
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+-------
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+
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+.. code-block:: sh
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+
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+ docker -d &
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+ export DOCKER_INDEX_URL="https://index.docker.io"
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+
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