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All we need to have is the certificate and private key for SSL installation.
SSL configuration on Heroku depends slightly on where you are deploying your application.
Create the addon
It is required only if you app in common Runtime. Else you can skip this step.
$ heroku addons:create ssl:endpoint
Adding Certificate, Intermediate and Private key
We need to combine the certificate and the bundle to a single .crt file.
cat domain_com.crt domain_com.ca-bundle > server.crt
Add your certificate, any intermediate certificates, and private key to the endpoint with the
Heroku automatically strips out unnecessary parts of the certificate chain as part of the
certs:add command. In some scenarios, this may not be desired.
$ heroku certs:add server.crt server.keyAdding SSL Endpoint to example... done
The endpoint URL assigned to your app will be listed in the output,
example-2121.herokussl.com in this example. Visiting this URL will result in a "no such app" message – this is expected. Read further for proper verification steps.
For apps in the Common Runtime, the endpoint domain name will vary depending on region. The US region will have a name in the form of
example-2121.herokussl.com. Apps in the EU region will have the same domain name as your appâ€™s herokuapp domain, e.g.
my-app-name.herokuapp.com. Apps in Private Spaces will have a name in the form of
some-name.some-other-name.herokuspace.com In all cases, the output of the
certs:add command will accurately reflect this.
To Verify the Configuration
$ heroku certs
For obtaining detailed information about Certificate use
$ heroku certs:info
DNS and Domain Configuration
Once the SSL endpoint is provisioned and your certificate is confirmed, you must route requests for your secure domain through the endpoint URL. Unless youâ€™ve already done so, add the domain specified when generating the CSR to your app with.
$ heroku domains:add www.domain.com
Added www.example.com to example... done
To do an installation check
Use a command line utility like
curl to test that everything is configured correctly for your secure domain.
You can update a certificate using the
certs:update command with the new certificate and the new or an existing private key:
$ heroku certs:update server.crt server.key Updating SSL Endpoint endpoint example-2121.herokussl.com for example... done
If, for some reason, the new certificate is not working properly and traffic to your app is being disrupted, you can roll back to the previous certificate:
$ heroku certs:rollback
Rolling back SSL Endpoint endpoint tokoy-2121.herokussl.com on example... done
You can remove a certificate using the
$ heroku certs:remove Removing SSL Endpoint endpoint example-2121.herokussl.com on example... done
Removing a certificate will remove the SSL endpoint so any domain names pointing to it will stop working.