Encrypt a message to Juliano echo "send me a secret" | docker run -i juliaaano/encrypt cat my-sample-file.txt | docker run -i juliaaano/encrypt Save to a file echo "send me a secret" | docker run -i juliaaano/encrypt > secret.txt.asc Copy to the clipboard (MacOS only) cat my-sample-file.txt | docker run -i juliaaano/encrypt | pbcopy Encrypt binary (non-text) files docker run -v $(pwd):/tmp juliaaano/encrypt /tmp/myfile.zip > myfile.zip.asc It works with Podman echo "send me a secret" | podman run -i juliaaano/encrypt cat my-sample-file.txt | podman run -i juliaaano/encrypt