harbor/docs/installation_guide.md

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# Installation and Configuration Guide
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Harbor can be installed by one of three approaches:
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- **Online installer:** The installer downloads Harbor's images from Docker hub. For this reason, the installer is very small in size.
- **Offline installer:** Use this installer when the host does not have an Internet connection. The installer contains pre-built images so its size is larger.
All installers can be downloaded from the **[official release](https://github.com/goharbor/harbor/releases)** page.
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This guide describes the steps to install and configure Harbor by using the online or offline installer. The installation processes are almost the same.
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If you run a previous version of Harbor, you may need to update ```harbor.cfg``` and migrate the data to fit the new database schema. For more details, please refer to **[Harbor Migration Guide](migration_guide.md)**.
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In addition, the deployment instructions on Kubernetes has been created by the community. Refer to [Harbor on Kubernetes](kubernetes_deployment.md) for details.
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## Prerequisites for the target host
Harbor is deployed as several Docker containers, and, therefore, can be deployed on any Linux distribution that supports Docker. The target host requires Python, Docker, and Docker Compose to be installed.
### Hardware
|Resource|Capacity|Description|
|---|---|---|
|CPU|minimal 2 CPU|4 CPU is preferred|
|Mem|minimal 4GB|8GB is preferred|
|Disk|minimal 40GB|160GB is preferred|
### Software
|Software|Version|Description|
|---|---|---|
|Python|version 2.7 or higher|Note that you may have to install Python on Linux distributions (Gentoo, Arch) that do not come with a Python interpreter installed by default|
|Docker engine|version 1.10 or higher|For installation instructions, please refer to: https://docs.docker.com/engine/installation/|
|Docker Compose|version 1.6.0 or higher|For installation instructions, please refer to: https://docs.docker.com/compose/install/|
|Openssl|latest is preferred|Generate certificate and keys for Harbor|
### Network ports
|Port|Protocol|Description|
|---|---|---|
|443|HTTPS|Harbor UI and API will accept requests on this port for https protocol|
|4443|HTTPS|Connections to the Docker Content Trust service for Harbor, only needed when Notary is enabled|
|80|HTTP|Harbor UI and API will accept requests on this port for http protocol|
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## Installation Steps
The installation steps boil down to the following
1. Download the installer;
2. Configure **harbor.cfg**;
3. Run **install.sh** to install and start Harbor;
#### Downloading the installer:
The binary of the installer can be downloaded from the [release](https://github.com/goharbor/harbor/releases) page. Choose either online or offline installer. Use *tar* command to extract the package.
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Online installer:
```
$ tar xvf harbor-online-installer-<version>.tgz
```
Offline installer:
```
$ tar xvf harbor-offline-installer-<version>.tgz
```
#### Configuring Harbor
Configuration parameters are located in the file **harbor.cfg**.
There are two categories of parameters in harbor.cfg, **required parameters** and **optional parameters**.
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* **required parameters**: These parameters are required to be set in the configuration file. They will take effect if a user updates them in ```harbor.cfg``` and run the ```install.sh``` script to reinstall Harbor.
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* **optional parameters**: These parameters are optional for updating, i.e. user can leave them as default and update them on Web UI after Harbor is started. If they are set in ```harbor.cfg```, they only take effect in the first launch of Harbor.
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Subsequent update to these parameters in ```harbor.cfg``` will be ignored.
**Note:** If you choose to set these parameters via the UI, be sure to do so right after Harbor
is started. In particular, you must set the desired **auth_mode** before registering or creating any new users in Harbor. When there are users in the system (besides the default admin user),
**auth_mode** cannot be changed.
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The parameters are described below - note that at the very least, you will need to change the **hostname** attribute.
##### Required parameters:
* **hostname**: The target host's hostname, which is used to access the UI and the registry service. It should be the IP address or the fully qualified domain name (FQDN) of your target machine, e.g., `192.168.1.10` or `reg.yourdomain.com`. _Do NOT use `localhost` or `127.0.0.1` for the hostname - the registry service needs to be accessible by external clients!_
* **ui_url_protocol**: (**http** or **https**. Default is **http**) The protocol used to access the UI and the token/notification service. If Notary is enabled, this parameter has to be _https_. By default, this is _http_. To set up the https protocol, refer to **[Configuring Harbor with HTTPS Access](configure_https.md)**.
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* **db_password**: The root password for the MySQL database used for **db_auth**. _Change this password for any production use!_
* **max_job_workers**: (default value is **3**) The maximum number of replication workers in job service. For each image replication job, a worker synchronizes all tags of a repository to the remote destination. Increasing this number allows more concurrent replication jobs in the system. However, since each worker consumes a certain amount of network/CPU/IO resources, please carefully pick the value of this attribute based on the hardware resource of the host.
* **customize_crt**: (**on** or **off**. Default is **on**) When this attribute is **on**, the prepare script creates private key and root certificate for the generation/verification of the registry's token. Set this attribute to **off** when the key and root certificate are supplied by external sources. Refer to [Customize Key and Certificate of Harbor Token Service](customize_token_service.md) for more info.
* **ssl_cert**: The path of SSL certificate, it's applied only when the protocol is set to https
* **ssl_cert_key**: The path of SSL key, it's applied only when the protocol is set to https
* **secretkey_path**: The path of key for encrypt or decrypt the password of a remote registry in a replication policy.
* **log_rotate_count**: Log files are rotated **log_rotate_count** times before being removed. If count is 0, old versions are removed rather than rotated.
* **log_rotate_size**: Log files are rotated only if they grow bigger than **log_rotate_size** bytes. If size is followed by k, the size is assumed to be in kilobytes. If the M is used, the size is in megabytes, and if G is used, the size is in gigabytes. So size 100, size 100k, size 100M and size 100G are all valid.
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##### Optional parameters
* **Email settings**: These parameters are needed for Harbor to be able to send a user a "password reset" email, and are only necessary if that functionality is needed. Also, do note that by default SSL connectivity is _not_ enabled - if your SMTP server requires SSL, but does _not_ support STARTTLS, then you should enable SSL by setting **email_ssl = true**. Setting **email_insecure = true** if the email server uses a self-signed or untrusted certificate. For a detailed description about "email_identity" please refer to [rfc2595](https://tools.ietf.org/rfc/rfc2595.txt)
* email_server = smtp.mydomain.com
* email_server_port = 25
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* email_identity =
* email_username = sample_admin@mydomain.com
* email_password = abc
* email_from = admin <sample_admin@mydomain.com>
* email_ssl = false
* email_insecure = false
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* **harbor_admin_password**: The administrator's initial password. This password only takes effect for the first time Harbor launches. After that, this setting is ignored and the administrator's password should be set in the UI. _Note that the default username/password are **admin/Harbor12345** ._
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* **auth_mode**: The type of authentication that is used. By default, it is **db_auth**, i.e. the credentials are stored in a database.
For LDAP authentication, set this to **ldap_auth**.
**IMPORTANT:** When upgrading from an existing Harbor instance, you must make sure **auth_mode** is the same in ```harbor.cfg``` before launching the new version of Harbor. Otherwise, users
may not be able to log in after the upgrade.
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* **ldap_url**: The LDAP endpoint URL (e.g. `ldaps://ldap.mydomain.com`). _Only used when **auth_mode** is set to *ldap_auth* ._
* **ldap_searchdn**: The DN of a user who has the permission to search an LDAP/AD server (e.g. `uid=admin,ou=people,dc=mydomain,dc=com`).
* **ldap_search_pwd**: The password of the user specified by *ldap_searchdn*.
* **ldap_basedn**: The base DN to look up a user, e.g. `ou=people,dc=mydomain,dc=com`. _Only used when **auth_mode** is set to *ldap_auth* ._
* **ldap_filter**:The search filter for looking up a user, e.g. `(objectClass=person)`.
* **ldap_uid**: The attribute used to match a user during a LDAP search, it could be uid, cn, email or other attributes.
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* **ldap_scope**: The scope to search for a user, 0-LDAP_SCOPE_BASE, 1-LDAP_SCOPE_ONELEVEL, 2-LDAP_SCOPE_SUBTREE. Default is 2.
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* **self_registration**: (**on** or **off**. Default is **on**) Enable / Disable the ability for a user to register himself/herself. When disabled, new users can only be created by the Admin user, only an admin user can create new users in Harbor. _NOTE: When **auth_mode** is set to **ldap_auth**, self-registration feature is **always** disabled, and this flag is ignored._
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* **token_expiration**: The expiration time (in minutes) of a token created by token service, default is 30 minutes.
* **project_creation_restriction**: The flag to control what users have permission to create projects. By default everyone can create a project, set to "adminonly" such that only admin can create project.
#### Configuring storage backend (optional)
By default, Harbor stores images on your local filesystem. In a production environment, you may consider
using other storage backend instead of the local filesystem, like S3, OpenStack Swift, Ceph, etc.
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What you need to update is the section of `storage` in the file `common/templates/registry/config.yml`.
For example, if you use Openstack Swift as your storage backend, the section may look like this:
```
storage:
swift:
username: admin
password: ADMIN_PASS
authurl: http://keystone_addr:35357/v3/auth
tenant: admin
domain: default
region: regionOne
container: docker_images
```
_NOTE: For detailed information on storage backend of a registry, refer to [Registry Configuration Reference](https://docs.docker.com/registry/configuration/) ._
#### Finishing installation and starting Harbor
Once **harbor.cfg** and storage backend (optional) are configured, install and start Harbor using the ```install.sh``` script. Note that it may take some time for the online installer to download Harbor images from Docker hub.
##### Default installation (without Notary/Clair)
Harbor has integrated with Notary and Clair (for vulnerability scanning). However, the default installation does not include Notary or Clair service.
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```sh
$ sudo ./install.sh
```
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If everything worked properly, you should be able to open a browser to visit the admin portal at **http://reg.yourdomain.com** (change *reg.yourdomain.com* to the hostname configured in your ```harbor.cfg```). Note that the default administrator username/password are admin/Harbor12345 .
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Log in to the admin portal and create a new project, e.g. `myproject`. You can then use docker commands to login and push images (By default, the registry server listens on port 80):
```sh
$ docker login reg.yourdomain.com
$ docker push reg.yourdomain.com/myproject/myrepo:mytag
```
**IMPORTANT:** The default installation of Harbor uses _HTTP_ - as such, you will need to add the option `--insecure-registry` to your client's Docker daemon and restart the Docker service.
##### Installation with Notary
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To install Harbor with Notary service, add a parameter when you run ```install.sh```:
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```sh
$ sudo ./install.sh --with-notary
```
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**Note**: For installation with Notary the parameter **ui_url_protocol** must be set to "https". For configuring HTTPS please refer to the following sections.
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More information about Notary and Docker Content Trust, please refer to Docker's documentation:
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https://docs.docker.com/engine/security/trust/content_trust/
##### Installation with Clair
To install Harbor with Clair service, add a parameter when you run ```install.sh```:
```sh
$ sudo ./install.sh --with-clair
```
For more information about Clair, please refer to Clair's documentation:
https://coreos.com/clair/docs/2.0.1/
##### Installation with chart repository service
To install Harbor with chart repository service, add a parameter when you run ```install.sh```:
```sh
$ sudo ./install.sh --with-chartmuseum
```
**Note**: If you want to install Notary, Clair and chart repository service, you must specify all the parameters in the same command:
```sh
$ sudo ./install.sh --with-notary --with-clair --with-chartmuseum
```
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For information on how to use Harbor, please refer to **[User Guide of Harbor](user_guide.md)** .
#### Configuring Harbor with HTTPS access
Harbor does not ship with any certificates, and, by default, uses HTTP to serve requests. While this makes it relatively simple to set up and run - especially for a development or testing environment - it is **not** recommended for a production environment. To enable HTTPS, please refer to **[Configuring Harbor with HTTPS Access](configure_https.md)**.
### Managing Harbor's lifecycle
You can use docker-compose to manage the lifecycle of Harbor. Some useful commands are listed as follows (must run in the same directory as *docker-compose.yml*).
Stopping Harbor:
```
$ sudo docker-compose stop
Stopping nginx ... done
Stopping harbor-jobservice ... done
Stopping harbor-core ... done
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Stopping harbor-db ... done
Stopping registry ... done
Stopping harbor-log ... done
```
Restarting Harbor after stopping:
```
$ sudo docker-compose start
Starting log ... done
Starting ui ... done
Starting mysql ... done
Starting jobservice ... done
Starting registry ... done
Starting proxy ... done
```
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To change Harbor's configuration, first stop existing Harbor instance and update ```harbor.cfg```. Then run ```prepare``` script to populate the configuration. Finally re-create and start Harbor's instance:
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```
$ sudo docker-compose down -v
$ vim harbor.cfg
$ sudo prepare
$ sudo docker-compose up -d
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```
Removing Harbor's containers while keeping the image data and Harbor's database files on the file system:
```
$ sudo docker-compose down -v
```
Removing Harbor's database and image data (for a clean re-installation):
```sh
$ rm -r /data/database
$ rm -r /data/registry
```
#### _Managing lifecycle of Harbor when it's installed with Notary_
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When Harbor is installed with Notary, an extra template file ```docker-compose.notary.yml``` is needed for docker-compose commands. The docker-compose commands to manage the lifecycle of Harbor are:
```
$ sudo docker-compose -f ./docker-compose.yml -f ./docker-compose.notary.yml [ up|down|ps|stop|start ]
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```
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For example, if you want to change configuration in ```harbor.cfg``` and re-deploy Harbor when it's installed with Notary, the following commands should be used:
```sh
$ sudo docker-compose -f ./docker-compose.yml -f ./docker-compose.notary.yml down -v
$ vim harbor.cfg
$ sudo prepare --with-notary
$ sudo docker-compose -f ./docker-compose.yml -f ./docker-compose.notary.yml up -d
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```
#### _Managing lifecycle of Harbor when it's installed with Clair_
When Harbor is installed with Clair, an extra template file ```docker-compose.clair.yml``` is needed for docker-compose commands. The docker-compose commands to manage the lifecycle of Harbor are:
```
$ sudo docker-compose -f ./docker-compose.yml -f ./docker-compose.clair.yml [ up|down|ps|stop|start ]
```
For example, if you want to change configuration in ```harbor.cfg``` and re-deploy Harbor when it's installed with Clair, the following commands should be used:
```sh
$ sudo docker-compose -f ./docker-compose.yml -f ./docker-compose.clair.yml down -v
$ vim harbor.cfg
$ sudo prepare --with-clair
$ sudo docker-compose -f ./docker-compose.yml -f ./docker-compose.clair.yml up -d
```
#### _Managing lifecycle of Harbor when it's installed with chart repository service_
When Harbor is installed with chart repository service, an extra template file ```docker-compose.chartmuseum.yml``` is needed for docker-compose commands. The docker-compose commands to manage the lifecycle of Harbor are:
```
$ sudo docker-compose -f ./docker-compose.yml -f ./docker-compose.chartmuseum.yml [ up|down|ps|stop|start ]
```
For example, if you want to change configuration in ```harbor.cfg``` and re-deploy Harbor when it's installed with chart repository service, the following commands should be used:
```sh
$ sudo docker-compose -f ./docker-compose.yml -f ./docker-compose.chartmuseum.yml down -v
$ vim harbor.cfg
$ sudo prepare --with-chartmuseum
$ sudo docker-compose -f ./docker-compose.yml -f ./docker-compose.chartmuseum.yml up -d
```
#### _Managing lifecycle of Harbor when it's installed with Notary, Clair and chart repository service_
If you want to install Notary, Clair and chart repository service together, you should include all the components in the docker-compose and prepare commands:
```sh
$ sudo docker-compose -f ./docker-compose.yml -f ./docker-compose.notary.yml -f ./docker-compose.clair.yml -f ./docker-compose.chartmuseum.yml down -v
$ vim harbor.cfg
$ sudo prepare --with-notary --with-clair --with-chartmuseum
$ sudo docker-compose -f ./docker-compose.yml -f ./docker-compose.notary.yml -f ./docker-compose.clair.yml -f ./docker-compose.chartmuseum.yml up -d
```
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Please check the [Docker Compose command-line reference](https://docs.docker.com/compose/reference/) for more on docker-compose.
### Persistent data and log files
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By default, registry data is persisted in the host's `/data/` directory. This data remains unchanged even when Harbor's containers are removed and/or recreated.
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In addition, Harbor uses *rsyslog* to collect the logs of each container. By default, these log files are stored in the directory `/var/log/harbor/` on the target host for troubleshooting.
## Configuring Harbor listening on a customized port
By default, Harbor listens on port 80(HTTP) and 443(HTTPS, if configured) for both admin portal and docker commands, you can configure it with a customized one.
### For HTTP protocol
1.Modify docker-compose.yml
Replace the first "80" to a customized port, e.g. 8888:80.
```
proxy:
image: library/nginx:1.11.5
restart: always
volumes:
- ./config/nginx:/etc/nginx
ports:
- 8888:80
- 443:443
depends_on:
- mysql
- registry
- ui
- log
logging:
driver: "syslog"
options:
syslog-address: "tcp://127.0.0.1:1514"
tag: "proxy"
```
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2.Modify harbor.cfg, add the port to the parameter "hostname"
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```
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hostname = 192.168.0.2:8888
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```
3.Re-deploy Harbor referring to previous section "Managing Harbor's lifecycle".
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### For HTTPS protocol
1.Enable HTTPS in Harbor by following this [guide](https://github.com/goharbor/harbor/blob/master/docs/configure_https.md).
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2.Modify docker-compose.yml
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Replace the first "443" to a customized port, e.g. 8888:443.
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```
proxy:
image: library/nginx:1.11.5
restart: always
volumes:
- ./config/nginx:/etc/nginx
ports:
- 80:80
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- 8888:443
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depends_on:
- mysql
- registry
- ui
- log
logging:
driver: "syslog"
options:
syslog-address: "tcp://127.0.0.1:1514"
tag: "proxy"
```
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3.Modify harbor.cfg, add the port to the parameter "hostname"
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```
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hostname = 192.168.0.2:8888
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```
4.Re-deploy Harbor referring to previous section "Managing Harbor's lifecycle".
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## Performance tuning
By default, Harbor limits the CPU usage of Clair container to 150000 and avoids its using up all the CPU resources. This is defined in the docker-compose.clair.yml file. You can modify it based on your hardware configuration.
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## Troubleshooting
1. When Harbor does not work properly, run the below commands to find out if all containers of Harbor are in **UP** status:
```
$ sudo docker-compose ps
Name Command State Ports
-----------------------------------------------------------------------------------------------------
harbor-db docker-entrypoint.sh mysqld Up 3306/tcp
harbor-jobservice /harbor/harbor_jobservice Up
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harbor-log /bin/sh -c crond && rsyslo ... Up 127.0.0.1:1514->514/tcp
harbor-core /harbor/harbor_core Up
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nginx nginx -g daemon off; Up 0.0.0.0:443->443/tcp, 0.0.0.0:80->80/tcp
registry /entrypoint.sh serve /etc/ ... Up 5000/tcp
```
If a container is not in **UP** state, check the log file of that container in directory ```/var/log/harbor```. For example, if the container ```harbor-core``` is not running, you should look at the log file ```ui.log```.
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2.When setting up Harbor behind an nginx proxy or elastic load balancing, look for the line below, in `common/templates/nginx/nginx.http.conf` and remove it from the sections if the proxy already has similar settings: `location /`, `location /v2/` and `location /service/`.
```
proxy_set_header X-Forwarded-Proto $scheme;
```
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and re-deploy Harbor refer to the previous section "Managing Harbor's lifecycle".