Docker 101: Run a Containerized CLI Tool and Send Data to STDIN
One of the most underrated Docker tricks is using containers as temporary CLI tools — without installing anything locally.
Here’s a simple but powerful pattern:
cat ~/avatar.png | \
docker run -i redis \
redis-cli -h 172.16.0.3 -x set avatar:us...
rakeshkadam.hashnode.dev3 min read