This application (spf13/cobra + pf13/viper) is a simple example of using a pog7x/ssfactory
Example of build/run app in docker container (base docker image)
docker build -t screen_png .
docker run -v $(pwd):/screenpng -p 8099:8099 -it screen_png
docker build -t screen_png .
docker run -v $(pwd):/screenpng -p 8099:8099 -it screen_png