hairyhenderson/sed
Just GNU sed
in a container...
Use like this:
$ echo "hi world" | docker run --rm -i hairyhenderson/sed 's/i/ello/'
hello world
Or with an alias:
alias sed='docker run --rm -i hairyhenderson/sed'
$ echo "hi world" | sed 's/i/ello/'
hello world
docker pull hairyhenderson/sed