Open Source2
Learn about the varied open source projects that run on CircleCI, and explore the best practices that keep them running.
![AutoBTD-v2.1.gif](https://images.ctfassets.net/il1yandlcjgk/1hEGmc8Ouvmc8XlfhTijFR/9d36b90f94b099bd5f6e2685bf9c995e/AutoBTD-v2.1.gif)
Creating automated build, test, and deploy workflows for orbs, part 1
![Rose Kaplan-Bomberg](https://ctf-cci-com.imgix.net/27Xqho3vW4s8fTWTa0mDjG/b49a257f42700ff472a323e8cf7e6ff5/rose_2x.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Community & Partner Engineer, CircleCI
![TravisCircleCIconfig.png](https://ctf-cci-com.imgix.net/7GvxIGn1WlvZ7XFXs4osz7/5c247bb061f30d05a70ba2525609511e/TravisCircleCIconfig.png?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
CircleCI vs Travis CI configuration: comparing build elements
![Angel Rivera](https://ctf-cci-com.imgix.net/1Rhp9Nebp4K4jKGw9YG584/afaa8e5a1dcb4d8eae695a091369b951/angel-rivera2.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Developer Advocate, CircleCI
![Developer C sits at a desk working on an intermediate-level project.](https://ctf-cci-com.imgix.net/DtZJx2rtQkl00iwq5R8TW/a94ca5478d65ed8f762d0fad71db1fdb/Tutorial-Intermediate-C.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Deploying documentation to GitHub Pages with continuous integration
![Jeff Klukas](https://ctf-cci-com.imgix.net/4rPZqlMquhaUvZQ7yTWjRd/2edaf59f915292737dbe429fd6480b4b/jeff-klukas.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
![Tutorial-Beginner-A](https://ctf-cci-com.imgix.net/3lnugZZkuaqkzSBUMwLlYj/ea56d5b36a4bdc71cde05948c1427aca/Tutorial-Beginner-A.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Building CI/CD pipelines using the CircleCI AWS ECR Orb
![Angel Rivera](https://ctf-cci-com.imgix.net/1Rhp9Nebp4K4jKGw9YG584/afaa8e5a1dcb4d8eae695a091369b951/angel-rivera2.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Developer Advocate, CircleCI
![Developer B sits at a desk working on an advanced-level project.](https://ctf-cci-com.imgix.net/4wcFcrXEs3WD2rILK6gwUp/8da5fbebc266c1c40b28387fa2d55698/Tutorial-Advanced-B.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Deploy applications using CircleCI, Docker, HashiCorp Terraform, and Google Cloud
![Angel Rivera](https://ctf-cci-com.imgix.net/1Rhp9Nebp4K4jKGw9YG584/afaa8e5a1dcb4d8eae695a091369b951/angel-rivera2.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Developer Advocate, CircleCI
![Monitors with stylized lines of code on a grid scattered with geometric shapes.](https://ctf-cci-com.imgix.net/45PA6DDhlhTlOdmqfDwiAk/186f7cf9a55d523d4385b2d2dd1682e2/Default-Abstract-GreenBG-v2.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Wide World of Workflows: How we build our Docker convenience images
![Rose Kaplan-Bomberg](https://ctf-cci-com.imgix.net/27Xqho3vW4s8fTWTa0mDjG/b49a257f42700ff472a323e8cf7e6ff5/rose_2x.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Community & Partner Engineer, CircleCI
![Monitors with stylized lines of code on a grid scattered with geometric shapes.](https://ctf-cci-com.imgix.net/45PA6DDhlhTlOdmqfDwiAk/186f7cf9a55d523d4385b2d2dd1682e2/Default-Abstract-GreenBG-v2.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Wide World of Workflows: control
![Kunal Jain](https://ctf-cci-com.imgix.net/7n9b1UmeSylsfBNJueIGTv/88e1acdc6d93875dfce284ff588695a9/kunal.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Product Manager
![Monitors with stylized lines of code on a grid scattered with geometric shapes.](https://ctf-cci-com.imgix.net/45PA6DDhlhTlOdmqfDwiAk/186f7cf9a55d523d4385b2d2dd1682e2/Default-Abstract-GreenBG-v2.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Wide World of Workflows: multi-executor support
![Kunal Jain](https://ctf-cci-com.imgix.net/7n9b1UmeSylsfBNJueIGTv/88e1acdc6d93875dfce284ff588695a9/kunal.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Product Manager
![Monitors with stylized lines of code on a grid scattered with geometric shapes.](https://ctf-cci-com.imgix.net/45PA6DDhlhTlOdmqfDwiAk/186f7cf9a55d523d4385b2d2dd1682e2/Default-Abstract-GreenBG-v2.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Wide World of Workflows: job orchestration
![Kunal Jain](https://ctf-cci-com.imgix.net/7n9b1UmeSylsfBNJueIGTv/88e1acdc6d93875dfce284ff588695a9/kunal.jpg?ixlib=rb-3.2.1&w=2000&auto=format&fit=max&q=60)
Product Manager