Kind attention, any help

[Universalizer]

~ $ docker build -t "av1an"
Results

DEPRECATED: The legacy builder is deprecated and will be removed in a future release.
Install the buildx component to build images with BuildKit:
https://docs.docker.com/go/buildx/

"docker build" requires exactly 1 argument.
See 'docker build --help'.

Usage: docker build [OPTIONS] PATH | URL | -

Build an image from a Dockerfile
~ $

---

~ $ docker pull masterofzen/av1an
Results

Using default tag: latest
Cannot connect to the Docker daemon at unix:///data/data/com.termux/files/usr/var/run/docker.sock. Is the docker daemon running?
~ $