Blackfire supports Blackfire Profiler.


  • Agent/Client: 1.15.0
  • Probe: 1.18.0 (when using php:7.0 or php:7.1)

Get Started

1. Get your credentials

Sign up for the free 15 days trial at and install the Blackfire Companion web browser extension (Chrome or Firefox).


Blackfire also offers a perpetually-free edition but it is for local development only and will not run on

Go to your Dashboard and create a new environment.

Blackfire environments

Get your server credentials.

Blackfire credentials

2. Enable the Blackfire extension

Paste the credentials above in your as follows:

        - name: 'blackfire'
              server_id: 'bad10394-bbaf-436e-9ee9-c6090cb45eb2'
              server_token: '692203ae8755da6b57b8161d3f20dd1be71502f77adebf3363d164033d74d29b'

Push the changes to your Platform environment to enable Blackfire as follows:

git add
git commit -m "Enable Blackfire."
git push

3. Confirm it's running

Login via SSH to your container and confirm that Blackfire is running as follows:

php --ri blackfire


blackfire => enabled
blackfire => 1.16.1
Timing measurement => gtod
Num of CPU => 8


Access your site via your browser and click Profile in the Blackfire Companion.

Blackfire Companion

That's it! Your site will be profiled and you should get all the results in your Blackfire account.