docker-snippets.sh

# Use awk to to redirect docker build output to stderr for visual feedback
# while capturing the image id on stdout when the build is sucessfull

ID=$(docker build . | awk '{print > "/dev/stderr"} END {if (/^Successfully built /) print $NF; else exit 1}')

# given docker volume path, return local storage path
doc2loc(){ docker inspect --format "{{range .Mounts}}{{if eq .Destination \"$1\"}}{{.Source}}{{end}}{{end}}" $2;}