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Docker Compose vs rkt: What are the differences?
What is Docker Compose? Define and run multi-container applications with Docker. With Compose, you define a multi-container application in a single file, then spin your application up in a single command which does everything that needs to be done to get it running.
What is rkt? App Container runtime. Rocket is a cli for running App Containers. The goal of rocket is to be composable, secure, and fast.
Docker Compose can be classified as a tool in the "Container Tools" category, while rkt is grouped under "Virtual Machine Platforms & Containers".
"Multi-container descriptor" is the primary reason why developers consider Docker Compose over the competitors, whereas "Security" was stated as the key factor in picking rkt.
Docker Compose and rkt are both open source tools. It seems that Docker Compose with 16.6K GitHub stars and 2.56K forks on GitHub has more adoption than rkt with 8.71K GitHub stars and 832 GitHub forks.
Pros of Docker Compose
- Multi-container descriptor123
- Fast development environment setup110
- Easy linking of containers79
- Simple yaml configuration68
- Easy setup60
- Yml or yaml format16
- Use Standard Docker API12
- Open source8
- Go from template to application in minutes5
- Can choose Discovery Backend5
- Scalable4
- Easy configuration4
- Kubernetes integration4
- Quick and easy3
Pros of rkt
- Security5
- Robust container portability3
- Composable containers2
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Cons of Docker Compose
- Tied to single machine9
- Still very volatile, changing syntax often5