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152 lines
4.4 KiB
ReStructuredText
152 lines
4.4 KiB
ReStructuredText
.. _setup_auto_dns:
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**************
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Setup Auto DNS
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**************
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If you don't want to add host records manually for every project, you can also use the bundled
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DNS server and use it's DNS catch-all feature to have all DNS records automatically available.
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.. important::
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By default, the DNS server is set to listen on ``1053`` to avoid port collisions during startup.
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You need to change it to ``53`` in ``.env`` via :ref:`env_host_port_bind`.
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**Table of Contents**
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.. contents:: :local:
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Native Docker
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=============
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The webserver as well as the DNS server must be available on ``127.0.0.1`` or on all interfaces
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on ``0.0.0.0``. Additionally the DNS server port must be set to ``53`` (it is not by default).
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* Ensure :ref:`env_local_listen_addr` is set accordingly
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* Ensure :ref:`env_host_port_bind` is set accordingly
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* No other DNS resolver should listen on ``127.0.0.1:53``
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Prerequisites
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-------------
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First ensure that :ref:`env_local_listen_addr` is either empty or listening on ``127.0.0.1``.
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.. code-block:: bash
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:caption: .env
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:emphasize-lines: 3
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host> cd path/to/devilbox
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host> vi .env
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LOCAL_LISTEN_ADDR=
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Then you need to ensure that :ref:`env_host_port_bind` is set to ``53``.
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.. code-block:: bash
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:caption: .env
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:emphasize-lines: 3
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host> cd path/to/devilbox
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host> vi .env
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HOST_PORT_BIND=53
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Before starting up the Devilbox, ensure that port ``53`` is not already used on ``127.0.0.1``.
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.. code-block:: bash
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:emphasize-lines: 2
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host> netstat -an | grep -E 'LISTEN\s*$'
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tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN
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tcp 0 0 127.0.0.1:43477 0.0.0.0:* LISTEN
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tcp 0 0 127.0.0.1:50267 0.0.0.0:* LISTEN
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If you see port ``53`` already being used as in the above example, ensure to stop any
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DNS resolver, otherwise it does not work.
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The output should look like this (It is only important that there is no ``:53``.
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.. code-block:: bash
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host> netstat -an | grep -E 'LISTEN\s*$'
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tcp 0 0 127.0.0.1:43477 0.0.0.0:* LISTEN
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tcp 0 0 127.0.0.1:50267 0.0.0.0:* LISTEN
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Docker on Linux
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---------------
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Your DNS server IP address is ``127.0.0.1``.
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.. seealso:: :ref:`howto_add_custom_dns_server_on_linux`
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Docker for Mac
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--------------
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Your DNS server IP address is ``127.0.0.1``.
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.. seealso:: :ref:`howto_add_custom_dns_server_on_mac`
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Docker for Windows
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------------------
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Your DNS server IP address is ``127.0.0.1``.
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.. seealso:: :ref:`howto_add_custom_dns_server_on_win`
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Docker Toolbox
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==============
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.. seealso:: :ref:`howto_docker_toolbox_and_the_devilbox`
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This part applies equally for Docker Toolbox on MacOS and on Windows:
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Prerequisites
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-------------
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* :ref:`env_local_listen_addr` must be empty in order to listen on all interfaces
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* :ref:`env_host_port_bind` must be set to ``53``
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You need to create three port-forwards to make the DNS and web server available on your host os:
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* Port ``80`` from the Docker Toolbox virtual machine must be port-forwarded to ``127.0.0.1:80`` on your host os
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* Port ``443`` from the Docker Toolbox virtual machine must be port-forwarded to ``127.0.0.1:443`` on your host os
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* Port ``53`` from the Docker Toolbox virtual machine must be port-forwarded to ``127.0.0.1:53`` on your host os
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Assuming the Docker Toolbox IP is ``192.168.99.100`` your forwards must be as follows:
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+----------------+-----------+-----------+---------+
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| From IP | From port | To IP | To port |
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+================+===========+===========+=========+
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| 192.168.99.100 | 53 | 127.0.0.1 | 53 |
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+----------------+-----------+-----------+---------+
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| 192.168.99.100 | 80 | 127.0.0.1 | 80 |
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+----------------+-----------+-----------+---------+
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| 192.168.99.100 | 443 | 127.0.0.1 | 443 |
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+----------------+-----------+-----------+---------+
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.. seealso::
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* :ref:`howto_ssh_port_forward_from_docker_toolbox_to_host`
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* :ref:`howto_find_docker_toolbox_ip_address`
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Actual setup
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------------
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.. important::
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After settings this up, follow the above guides for **Docker for Mac** or **Docker for Windows**
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to finish the setup.
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..
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Access for other network devices
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..
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seealso::
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* :ref:`access_devilbox_from_android`
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* :ref:`access_devilbox_from_iphone`
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* :ref:`access_colleagues_devilbox`
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* :ref:`shared_devilbox_server_in_lan`
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