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---
description: "How to secure GitLab Pages websites with Let's Encrypt."
---
# Let's Encrypt for GitLab Pages
If you have a GitLab Pages website served under your own domain,
you might want to secure it with a SSL/TSL certificate.
[Let's Encrypt](https://letsencrypt.org) is a free, automated, and
open source Certificate Authority.
## Requirements
To follow along with this tutorial, we assume you already have:
- Created a [project](getting_started_part_two.md) in GitLab which
contains your website's source code.
- Acquired a domain (`example.com`) and added a [DNS entry](getting_started_part_three.md#dns-records)
pointing it to your Pages website.
- [Added your domain to your Pages project](getting_started_part_three.md#add-your-custom-domain-to-gitlab-pages-settings)
and verified your ownership.
- Cloned your project into your computer.
- Your website up and running, served under HTTP protocol at `http://example.com`.
## Obtaining a Let's Encrypt certificate
Once you have the requirements addressed, follow the instructions
below to learn how to obtain the certificate.
NOTE: **Note:**
The instructions below were tested on macOS Mojave. For other
operating systems the steps might be slightly different. Follow the
[CertBot instructions](https://certbot.eff.org/) according to your OS.
1. On your computer, open a terminal and navigate to your repository's
root directory:
```bash
cd path/to/dir
```
1. Install CertBot (the tool Let's Encrypt uses to issue certificates):
```bash
brew install certbot
```
1. Request a certificate for your domain (`example.com`) and
provide an email account (`your@email.com`) to receive notifications:
```bash
sudo certbot certonly -a manual -d example.com --email your@email.com
```
Alternatively, you can register without adding an e-mail account,
but you won't be notified about the certificate expiration's date:
```bash
sudo certbot certonly -a manual -d example.com --register-unsafely-without-email
```
TIP: **Tip:**
Read through CertBot's documentation on their
[command line options](https://certbot.eff.org/docs/using.html#certbot-command-line-options).
1. You'll be prompted with a message to agree with their terms.
Press `A` to agree and `Y` to let they log your IP.
CertBot will then prompt you with the following message:
```bash
Create a file containing just this data:
Rxnv6WKo95hsuLVX3osmT6LgmzsJKSaK9htlPToohOP.HUGNKk82jlsmOOfphlt8Jy69iuglsn095nxOMH9j3Yb
And make it available on your web server at this URL:
http://example.com/.well-known/acme-challenge/Rxnv6WKo95hsuLVX3osmT6LgmzsJKSaK9htlPToohOP
Press Enter to Continue
```
1. **Do not press Enter yet.** Let's Encrypt will need to verify your
domain ownership before issuing the certificate. To do so, create 3
consecutive directories under your website's root:
`/.well-known/acme-challenge/Rxnv6WKo95hsuLVX3osmT6LgmzsJKSaK9htlPToohOP/`
and add to the last folder an `index.html` file containing the content
referred on the previous prompt message:
```bash
Rxnv6WKo95hsuLVX3osmT6LgmzsJKSaK9htlPToohOP.HUGNKk82jlsmOOfphlt8Jy69iuglsn095nxOMH9j3Yb
```
Note that this file needs to be accessed under
`http://example.com/.well-known/acme-challenge/Rxnv6WKo95hsuLVX3osmT6LgmzsJKSaK9htlPToohOP`
to allow Let's Encrypt to verify the ownership of your domain,
therefore, it needs to be part of the website content under the
repo's [`public`](index.md#how-it-works) folder.
1. Add, commit, and push the file into your repo in GitLab. Once the pipeline
passes, press **Enter** on your terminal to continue issuing your
certificate. CertBot will then prompt you with the following message:
```bash
Waiting for verification...
Cleaning up challenges
IMPORTANT NOTES:
- Congratulations! Your certificate and chain have been saved at:
/etc/letsencrypt/live/example.com/fullchain.pem
Your key file has been saved at:
/etc/letsencrypt/live/example.com/privkey.pem
Your cert will expire on 2019-03-12. To obtain a new or tweaked
version of this certificate in the future, simply run certbot
again. To non-interactively renew *all* of your certificates, run
"certbot renew"
- If you like Certbot, please consider supporting our work by:
Donating to ISRG / Let's Encrypt: https://letsencrypt.org/donate
Donating to EFF: https://eff.org/donate-le
```
## Add your certificate to GitLab Pages
Now that your certificate has been issued, let's add it to your Pages site:
1. Back at GitLab, navigate to your project's **Settings > Pages**,
find your domain and click **Details** and **Edit** to add your certificate.
1. From your terminal, copy and paste the certificate into the first field
**Certificate (PEM)**:
```bash
sudo cat /etc/letsencrypt/live/example.com/fullchain.pem | pbcopy
```
1. Copy and paste the private key into the second field **Key (PEM)**:
```bash
sudo cat /etc/letsencrypt/live/example.com/privkey.pem | pbcopy
```
1. Click **Save changes** to apply them to your website.
1. Wait a few minutes for DNS propagation.
1. Visit your website at `https://example.com`.
To force `https` connections on your site, navigate to your
project's **Settings > Pages** and check **Force domains with SSL
certificates to use HTTPS**.
## Renewal
Let's Encrypt certificates expire every 90 days and you'll have to
renew them periodically. To renew all your certificates at once, run:
```bash
sudo certbot renew
```
|
