283 lines
10 KiB
Markdown
283 lines
10 KiB
Markdown
# GitLab Pages administration
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> **Notes:**
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- [Introduced][ee-80] in GitLab EE 8.3.
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- Custom CNAMEs with TLS support were [introduced][ee-173] in GitLab EE 8.5.
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- GitLab Pages [were ported][ce-14605] to Community Edition in GitLab 8.17.
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- This guide is for Omnibus GitLab installations. If you have installed
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GitLab from source, follow the [Pages source installation document](source.md).
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- To learn how to use GitLab Pages, read the [user documentation][pages-userguide].
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---
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This document describes how to set up the _latest_ GitLab Pages feature. Make
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sure to read the [changelog](#changelog) if you are upgrading to a new GitLab
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version as it may include new features and changes needed to be made in your
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configuration.
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## Overview
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GitLab Pages makes use of the [GitLab Pages daemon], a simple HTTP server
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written in Go that can listen on an external IP address and provide support for
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custom domains and custom certificates. It supports dynamic certificates through
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SNI and exposes pages using HTTP2 by default.
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You are encouraged to read its [README][pages-readme] to fully understand how
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it works.
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---
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In the case of [custom domains](#custom-domains) (but not
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[wildcard domains](#wildcard-domains)), the Pages daemon needs to listen on
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ports `80` and/or `443`. For that reason, there is some flexibility in the way
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which you can set it up:
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1. Run the Pages daemon in the same server as GitLab, listening on a secondary IP.
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1. Run the Pages daemon in a separate server. In that case, the
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[Pages path](#change-storage-path) must also be present in the server that
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the Pages daemon is installed, so you will have to share it via network.
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1. Run the Pages daemon in the same server as GitLab, listening on the same IP
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but on different ports. In that case, you will have to proxy the traffic with
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a loadbalancer. If you choose that route note that you should use TCP load
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balancing for HTTPS. If you use TLS-termination (HTTPS-load balancing) the
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pages will not be able to be served with user provided certificates. For
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HTTP it's OK to use HTTP or TCP load balancing.
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In this document, we will proceed assuming the first option. If you are not
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supporting custom domains a secondary IP is not needed.
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## Prerequisites
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Before proceeding with the Pages configuration, you will need to:
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1. Have a separate domain under which the GitLab Pages will be served. In this
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document we assume that to be `example.io`.
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1. Configure a **wildcard DNS record**.
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1. (Optional) Have a **wildcard certificate** for that domain if you decide to
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serve Pages under HTTPS.
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1. (Optional but recommended) Enable [Shared runners](../../ci/runners/README.md)
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so that your users don't have to bring their own.
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1. (Only for custom domains) Have a **secondary IP**.
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### DNS configuration
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GitLab Pages expect to run on their own virtual host. In your DNS server/provider
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you need to add a [wildcard DNS A record][wiki-wildcard-dns] pointing to the
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host that GitLab runs. For example, an entry would look like this:
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```
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*.example.io. 1800 IN A 1.1.1.1
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*.example.io. 1800 IN AAAA 2001::1
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```
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where `example.io` is the domain under which GitLab Pages will be served
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and `1.1.1.1` is the IPv4 address of your GitLab instance and `2001::1` is the
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IPv6 address. If you don't have IPv6, you can omit the AAAA record.
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> **Note:**
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You should not use the GitLab domain to serve user pages. For more information
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see the [security section](#security).
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[wiki-wildcard-dns]: https://en.wikipedia.org/wiki/Wildcard_DNS_record
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## Configuration
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Depending on your needs, you can set up GitLab Pages in 4 different ways.
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The following options are listed from the easiest setup to the most
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advanced one. The absolute minimum requirement is to set up the wildcard DNS
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since that is needed in all configurations.
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### Wildcard domains
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>**Requirements:**
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- [Wildcard DNS setup](#dns-configuration)
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>
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>---
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>
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URL scheme: `http://page.example.io`
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This is the minimum setup that you can use Pages with. It is the base for all
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other setups as described below. Nginx will proxy all requests to the daemon.
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The Pages daemon doesn't listen to the outside world.
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1. Set the external URL for GitLab Pages in `/etc/gitlab/gitlab.rb`:
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```ruby
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pages_external_url 'http://example.io'
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```
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1. [Reconfigure GitLab][reconfigure]
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Watch the [video tutorial][video-admin] for this configuration.
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### Wildcard domains with TLS support
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>**Requirements:**
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- [Wildcard DNS setup](#dns-configuration)
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- Wildcard TLS certificate
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>
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>---
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>
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URL scheme: `https://page.example.io`
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Nginx will proxy all requests to the daemon. Pages daemon doesn't listen to the
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outside world.
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1. Place the certificate and key inside `/etc/gitlab/ssl`
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1. In `/etc/gitlab/gitlab.rb` specify the following configuration:
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```ruby
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pages_external_url 'https://example.io'
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pages_nginx['redirect_http_to_https'] = true
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pages_nginx['ssl_certificate'] = "/etc/gitlab/ssl/pages-nginx.crt"
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pages_nginx['ssl_certificate_key'] = "/etc/gitlab/ssl/pages-nginx.key"
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```
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where `pages-nginx.crt` and `pages-nginx.key` are the SSL cert and key,
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respectively.
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1. [Reconfigure GitLab][reconfigure]
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## Advanced configuration
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In addition to the wildcard domains, you can also have the option to configure
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GitLab Pages to work with custom domains. Again, there are two options here:
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support custom domains with and without TLS certificates. The easiest setup is
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that without TLS certificates. In either case, you'll need a secondary IP. If
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you have IPv6 as well as IPv4 addresses, you can use them both.
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### Custom domains
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>**Requirements:**
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- [Wildcard DNS setup](#dns-configuration)
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- Secondary IP
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>
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---
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>
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URL scheme: `http://page.example.io` and `http://domain.com`
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In that case, the Pages daemon is running, Nginx still proxies requests to
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the daemon but the daemon is also able to receive requests from the outside
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world. Custom domains are supported, but no TLS.
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1. Edit `/etc/gitlab/gitlab.rb`:
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```ruby
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pages_external_url "http://example.io"
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nginx['listen_addresses'] = ['1.1.1.1']
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pages_nginx['enable'] = false
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gitlab_pages['external_http'] = ['1.1.1.2:80', '[2001::2]:80']
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```
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where `1.1.1.1` is the primary IP address that GitLab is listening to and
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`1.1.1.2` and `2001::2` are the secondary IPs the GitLab Pages daemon
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listens on. If you don't have IPv6, you can omit the IPv6 address.
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1. [Reconfigure GitLab][reconfigure]
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### Custom domains with TLS support
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>**Requirements:**
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- [Wildcard DNS setup](#dns-configuration)
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- Wildcard TLS certificate
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- Secondary IP
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>
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---
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>
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URL scheme: `https://page.example.io` and `https://domain.com`
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In that case, the Pages daemon is running, Nginx still proxies requests to
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the daemon but the daemon is also able to receive requests from the outside
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world. Custom domains and TLS are supported.
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1. Edit `/etc/gitlab/gitlab.rb`:
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```ruby
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pages_external_url "https://example.io"
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nginx['listen_addresses'] = ['1.1.1.1']
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pages_nginx['enable'] = false
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gitlab_pages['cert'] = "/etc/gitlab/ssl/example.io.crt"
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gitlab_pages['cert_key'] = "/etc/gitlab/ssl/example.io.key"
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gitlab_pages['external_http'] = ['1.1.1.2:80', '[2001::2]:80']
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gitlab_pages['external_https'] = ['1.1.1.2:443', '[2001::2]:443']
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```
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where `1.1.1.1` is the primary IP address that GitLab is listening to and
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`1.1.1.2` and `2001::2` are the secondary IPs where the GitLab Pages daemon
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listens on. If you don't have IPv6, you can omit the IPv6 address.
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1. [Reconfigure GitLab][reconfigure]
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## Change storage path
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Follow the steps below to change the default path where GitLab Pages' contents
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are stored.
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1. Pages are stored by default in `/var/opt/gitlab/gitlab-rails/shared/pages`.
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If you wish to store them in another location you must set it up in
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`/etc/gitlab/gitlab.rb`:
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```ruby
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gitlab_rails['pages_path'] = "/mnt/storage/pages"
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```
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1. [Reconfigure GitLab][reconfigure]
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## Set maximum pages size
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The maximum size of the unpacked archive per project can be configured in the
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Admin area under the Application settings in the **Maximum size of pages (MB)**.
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The default is 100MB.
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## Backup
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Pages are part of the [regular backup][backup] so there is nothing to configure.
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## Security
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You should strongly consider running GitLab pages under a different hostname
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than GitLab to prevent XSS attacks.
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## Changelog
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GitLab Pages were first introduced in GitLab EE 8.3. Since then, many features
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where added, like custom CNAME and TLS support, and many more are likely to
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come. Below is a brief changelog. If no changes were introduced or a version is
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missing from the changelog, assume that the documentation is the same as the
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latest previous version.
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---
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**GitLab 8.17 ([documentation][8-17-docs])**
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- GitLab Pages were ported to Community Edition in GitLab 8.17.
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- Documentation was refactored to be more modular and easy to follow.
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**GitLab 8.5 ([documentation][8-5-docs])**
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- In GitLab 8.5 we introduced the [gitlab-pages][] daemon which is now the
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recommended way to set up GitLab Pages.
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- The [NGINX configs][] have changed to reflect this change. So make sure to
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update them.
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- Custom CNAME and TLS certificates support.
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- Documentation was moved to one place.
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**GitLab 8.3 ([documentation][8-3-docs])**
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- GitLab Pages feature was introduced.
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[8-3-docs]: https://gitlab.com/gitlab-org/gitlab-ee/blob/8-3-stable-ee/doc/pages/administration.md
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[8-5-docs]: https://gitlab.com/gitlab-org/gitlab-ee/blob/8-5-stable-ee/doc/pages/administration.md
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[8-17-docs]: https://gitlab.com/gitlab-org/gitlab-ce/blob/8-17-stable-ce/doc/administration/pages/index.md
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[backup]: ../../raketasks/backup_restore.md
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[ce-14605]: https://gitlab.com/gitlab-org/gitlab-ce/issues/14605
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[ee-80]: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/80
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[ee-173]: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/173
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[gitlab pages daemon]: https://gitlab.com/gitlab-org/gitlab-pages
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[NGINX configs]: https://gitlab.com/gitlab-org/gitlab-ee/tree/8-5-stable-ee/lib/support/nginx
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[pages-readme]: https://gitlab.com/gitlab-org/gitlab-pages/blob/master/README.md
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[pages-userguide]: ../../user/project/pages/index.md
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[reconfigure]: ../restart_gitlab.md#omnibus-gitlab-reconfigure
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[restart]: ../restart_gitlab.md#installations-from-source
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[gitlab-pages]: https://gitlab.com/gitlab-org/gitlab-pages/tree/v0.2.4
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[video-admin]: https://youtu.be/dD8c7WNcc6s
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