Docker container raspberry pi
Docker functions like Virtual machine but has got more merits than Virtual machines. Mainly performance and easiness of implementation. Docker manages the software infrastructure and runs as container containing the software and dependencies. Docker image can be created which can be a software and its dependencies. This docker image can be deployed to many machine where docker is installed which will be working exactly like the source system where software and dependencies are running.
Raspberry pi is a low cost computer which runs using mobile adaptor power . Raspberry pi has multiple ports which connects to keyboard, mouse to take user inputs and output display can be connected to TV monitor using HDMI cable.
Docker image is available in Docker official website and Docker can be installed to Raspberry pi(rpi) using terminal of rpi by a single line command.