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Some fixes for MongoDB example
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@ -24,7 +24,7 @@ Create an empty file called ``Dockerfile``:
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touch Dockerfile
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touch Dockerfile
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Next, define the parent image you want to use to build your own image on top of.
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Next, define the parent image you want to use to build your own image on top of.
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Here, we’ll use `CentOS <https://index.docker.io/_/ubuntu/>`_ (tag: ``latest``)
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Here, we’ll use `Ubuntu <https://index.docker.io/_/ubuntu/>`_ (tag: ``latest``)
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available on the `docker index`_:
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available on the `docker index`_:
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.. code-block:: bash
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.. code-block:: bash
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@ -65,11 +65,14 @@ run without needing to provide a special configuration file)
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# Create the MongoDB data directory
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# Create the MongoDB data directory
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RUN mkdir -p /data/db
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RUN mkdir -p /data/db
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Finally, we'll expose the standard port that MongoDB runs on (27107)
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Finally, we'll expose the standard port that MongoDB runs on (27107) as well as
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add an entrypoint that runs the standard --help command by default.
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.. code-block:: bash
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.. code-block:: bash
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EXPOSE 27017
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EXPOSE 27017
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ENTRYPOINT [ "/usr/bin/mongod" ]
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CMD [ "--help" ]
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Now, lets build the image which will go through the ``Dockerfile`` we made and
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Now, lets build the image which will go through the ``Dockerfile`` we made and
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run all of the commands.
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run all of the commands.
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