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Domains and TLS certificates

Introduction

This page introduces options for handling custom domains and TLS certificates in Stacktape.

If you do not have a custom domain and want one, read the section Registering domain.

If you already have an existing domain and you wish to use it with your app, there are two approaches:

  1. Using AWS Route53 as your DNS provider (Recommended) - If you are using Route53 in your AWS account as a DNS provider, you can easily manage a domain (and its subdomains) using Stacktape. Stacktape will automatically generate and renew TLS certificates for your domain and will be able to assign domains to your app during deployment. Refer to the section Managing domains with Stacktape. If you currently use 3rd party DNS but want to start using Route53 for your existing domain, refer to the section Migrating existing domain.
  2. Using 3rd party DNS provider - If you are using 3rd party DNS provider (Cloudflare, GoDaddy, etc.) and you wish to keep using it, you can. This means you must manually manage DNS records (outside of Stacktape). You will also have to create/import a custom TLS certificate for your domain in AWS console. After that, you can reference this certificate in your Stacktape config. Refer to the section Using 3rd party DNS.

Managing domains with Stacktape

If you already have a domain and you are using 3rd party DNS provider (other than Route53), refer to the section Migrating existing domain

If you are using Route53 in your AWS account as your DNS provider, use the stacktape domain:add command to prepare your domain for use with Stacktape. This command will interactively prompt you through creating TLS certificates and optionally configuring AWS SES with your domain.

This command only needs to be run once per region per domain, and after the process is over, you will be able to use your domain and its subdomain in your Stacktape configuration.

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stacktape domain:add --region <<region>>

After your domain is prepared, you should get output similar to this:

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$ stacktape domain:add --region eu-west-1
✔ Domain name (example: mydomain.com) … stacktape.com
[SUCCESS] Loading AWS credentials done in 0.5 sec. Loaded from Stacktape API.
[SUCCESS] Loading user data done in 1.48 sec. User: Šimon Obetko. Organization: Stacktape.
[SUCCESS] Fetching domain statuses done in 4.2 sec.
[SUCCESS] Domain ownership validated successfully
[SUCCESS] Certificates for the domain stacktape.com are created.
[SUCCESS] Certificates validated successfully
[SUCCESS] Fetching email info done in 0.45 sec.
[SUCCESS] Domain is verified for using with AWS SES.
[SUCCESS] Domain "stacktape.com" is prepared to be used in region eu-west-1.
$

Now you can use your domain in Stacktape configuration. During deployment, stacktape will automatically assign required certificates create DNS record which will point your chosen domain to the resource.

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resources:
apiService:
type: web-service
properties:
resources:
cpu: 2
memory: 2048
packaging:
type: stacktape-image-buildpack
properties:
entryfilePath: src/main.ts
customDomains:
- domainName: api.mydomain.com
web:
type: hosting-bucket
properties:
uploadDirectoryPath: ./dist
hostingContentType: single-page-app
customDomains:
- domainName: mydomain.com

Migrating existing domain

If you already have a domain which is currently managed by a 3rd party DNS provider, and you wish to manage your domains with Stacktape, you need to migrate to Route53 DNS provider. You can use stacktape domain:add command, to guide you through this process.

If your domain is actively in use in production and you prefer hands on manual migration, you should follow this AWS tutorial, which will guide you through migrating your DNS to Route53 using controlled manual process. After you migrate your domain to Route53, refer to Managing domains with Stacktape section to finish the domain configuration.

Run the stacktape domain:add command. Confirm the prompt for creation of hosted zone.

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stacktape domain:add --region <<region>>

You should get output similar to this

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$ stacktape domain:add --region eu-west-1
✔ Domain name (example: mydomain.com) … simonobetko.net
[SUCCESS] Loading AWS credentials done in 0.7 sec. Loaded from Stacktape API.
[SUCCESS] Loading user data done in 1.98 sec. User: Šimon Obetko. Organization: Stacktape.
[SUCCESS] Fetching domain statuses done in 1.18 sec.
[INFO] To use domain simonobetko.net with Stacktape, DNS records must be in control of your AWS account.
DNS records for domains are managed in hosted zones. (Hosted zone is a "container" for storing DNS records of your domain.)
[WARN] Currently, the domain simonobetko.net has no hosted zone created in your AWS account.
To continue Stacktape needs to create hosted zone for your domain.
✔ Proceed with creating hosted zone for the domain simonobetko.net in your AWS account? … yes
[INFO] Hosted zone for domain simonobetko.net is created. Name servers of the AWS hosted zone are:
- ns-1924.awsdns-48.co.uk
- ns-290.awsdns-36.com
- ns-913.awsdns-50.net
- ns-1274.awsdns-31.org.
[INFO] You can finish adding your domain by:
1. Copying DNS records from your current DNS hosting, into hosted zone created in your AWS account here: https://console.aws.amazon.com/route53/v2/hostedzones?#ListRecordSets/Z0759875A1OGK3MWN61Y
2. Setting name server (NS) records at your current domain registrar. Name servers should point to the name servers of the hosted zone created in your AWS account(shown above).
After domain is migrated run stacktape domain:add again to finish preparations (creating and validating TLS certs).

As the command output suggest, there are two steps you need to do now:

  1. Copy existing DNS records from your current DNS hosting, into hosted zone created in your AWS account (the link is provided in command output)
  2. After you copy DNS records: Set name server (NS) records at your current domain registrar. Name servers should point to the name servers of the hosted zone created in your AWS account(name servers for the hosted zone are provided in command output). This can be usually easily done in your domain registrar's console UI.

Make sure to migrate all your existing DNS records into your new hosted zone before changing name server records!


Note that it can take up to multiple days until the change of nameservers is propagated.

You can confirm that the DNS is migrated by running stacktape domain:add command again. After confirming the creation of TLS certificates (and optionally configuring domain to be used with AWS SES), you should get output like this:

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$ stacktape domain:add --region eu-west-1
✔ Domain name (example: mydomain.com) … simonobetko.net
[SUCCESS] Loading AWS credentials done in 0.5 sec. Loaded from Stacktape API.
[SUCCESS] Loading user data done in 1.48 sec. User: Šimon Obetko. Organization: Stacktape.
[SUCCESS] Fetching domain statuses done in 4.2 sec.
[SUCCESS] Domain ownership validated successfully
[SUCCESS] Certificates for the domain simonobetko.net are created.
[SUCCESS] Certificates validated successfully
[Salso allows you to configurene in 0.45 sec.
[SUCCESS] Domain is verified for using with AWS SES.
[SUCCESS] Domain "simonobetko.net" is prepared to be used in region eu-west-1.
$

Now you can use your domain in Stacktape configuration. During deployment, stacktape will automatically assign required certificates create DNS record which will point your chosen domain to the resource.

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resources:
apiService:
type: web-service
properties:
resources:
cpu: 2
memory: 2048
packaging:
type: stacktape-image-buildpack
properties:
entryfilePath: src/main.ts
customDomains:
- domainName: api.mydomain.com
web:
type: hosting-bucket
properties:
uploadDirectoryPath: ./dist
hostingContentType: single-page-app
customDomains:
- domainName: mydomain.com

Assigning custom domains to resources

To assign the domain to a supported resource, use the customDomains property. During the deployment, Stacktape will create DNS record pointing to your resource/app.

To learn more, refer to the docs of these resources:

Using subdomains

Stacktape also allows you to configure subdomains. You can connect your domain to any number of resources.

The subdomain can also be interpolated, for example based on the the specified stage.

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resources:
myHttpApi:
type: 'http-api-gateway'
properties:
customDomains:
- domainName: $Format('{}.mydomain.com', $Stage())

Registering domain

You can buy and register domain directly in your AWS console. Once you have registered the domain, refer to Managing domains with Stacktape section.

Using 3rd party DNS

You can manage your DNS records outside of Stacktape and AWS in your DNS provider of choice. However, you will need to create/import a custom TLS certificate for your domain in AWS console

After you have created/imported the certificate you can reference it using ARN in the Stacktape configuration.

Remember to disable DNS record creation, as in this setup your DNS records are not under Stacktape control.

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resources:
apiService:
type: web-service
properties:
resources:
cpu: 2
memory: 2048
packaging:
type: stacktape-image-buildpack
properties:
entryfilePath: src/main.ts
customDomains:
- domainName: mydomain.com
disableDnsRecordCreation: true
customCertificateArn: <<ARN_OF_YOUR_CERTIFICATE>>

After successful deployment, you can point your CNAME DNS record in your DNS provider to the domain of the created resource. You can find the domain in the stacktape console:

  • Navigate to "Projects" and select your project and stage
  • Click on the resource with the domain attached and you should see the detail including domain parameter which is the domain name you are looking for

Need help? Ask a question on Discord or info@stacktape.com.