Hit the Docker API in Rust

Docker provides a REST API. $ docker buildOr $ docker run For command operations such as, internally, commands to docker deamon are performed via the REST API. It can be hit directly with curl or a program as well as the CLI.

Docker Engine

  1. docker daemon
  3. docker CLI It is a client & server application composed of. https://docs.docker.com/get-started/overview/#docker-engine

Docker official SDK (Go, Python) is provided, but I tried hitting it with Rust after studying Rust.



use std::error::Error;
use std::path::Path;

use futures_util::stream::TryStreamExt;
use hyper::{Client};
use hyperlocal::{Uri, UnixClientExt};

async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
    let path = Path::new("/var/run/docker.sock");
    //API version checks the version of docker installed locally
    let url = Uri::new(path, "/v1.40/containers/json");
    let client = Client::unix();
    let response_body = client.get(url.into()).await?.into_body();
    let bytes = response_body
        .try_fold(Vec::default(), |mut buf, bytes| async {

    println!("{}", String::from_utf8(bytes)?);


The code is almost quoted from README of hyperlocal repository, but it didn't work as it is, so I modified it partially.

The status of the following containers image.png When I run the program with, it returns like this. (Since it is displayed as a character string, the display is rough.) image.png

hyperlocal The docker daemon is set to listen to UNIX domain socket (/var/run/docker.sock) by default, and realizes not only Hyper (Rust's HTTP client & server library) but also unix socket communication hyperlocal had to be used.


[Official Doc] https://docs.docker.com/get-started/overview/#docker-engine https://docs.docker.com/get-started/overview/#docker-architecture Introduction to Docker to touch and understand

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