!/bin/bash  

image="git.rssa.top/kanzi/dashy"  

#get timestamp for the tag  
timestamp=$(date +%Y%m%d%H%M%S)  

tag=$image:$timestamp
latest=$image:latest  

#build image  
docker build -t $tag .
docker tag $tag $latest

#push to dockerhub  
docker login git.rssa.top
#sudo docker login -u username -p password  
docker push $tag
docker push $latest 

#remove dangling images  
docker system prune -f