Use local dynamodb with AWS Rust SDK

main.rs

/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0.
 */

use aws_config::meta::region::RegionProviderChain;
use aws_sdk_dynamodb::model::{
    AttributeDefinition, KeySchemaElement, KeyType, ProvisionedThroughput, ScalarAttributeType,
};
use aws_sdk_dynamodb::Config;
use aws_sdk_dynamodb::{Client, Error, Region, PKG_VERSION, Endpoint};
use http::uri::Uri;
use structopt::StructOpt;

#[derive(Debug, StructOpt)]
struct Opt {
    /// The AWS Region.
    #[structopt(short, long)]
    region: Option<String>,

    /// Whether to display additional information.
    #[structopt(short, long)]
    verbose: bool,
}

#[tokio::main]
async fn main() -> Result<(), Error> {
    //tracing_subscriber::fmt::init();
    let Opt { region, verbose } = Opt::from_args();

    let region_provider = RegionProviderChain::first_try(region.map(Region::new))
        .or_default_provider()
        .or_else(Region::new("ap-southeast-2"));
    let shared_config = aws_config::from_env().region(region_provider).load().await;

    if verbose {
        println!("DynamoDB client version: {}", PKG_VERSION);
        println!(
            "Region:                  {}",
            shared_config.region().unwrap()
        );
        println!();
    }

    let config: Config = aws_sdk_dynamodb::config::Builder::from(&shared_config)
        .endpoint_resolver(
            Endpoint::immutable(Uri::from_static("http://localhost:8000"))
        )
        .build();
    let client = Client::from_conf(config);

    let tables = client.list_tables().send().await?;

    println!("Current DynamoDB tables: {:?}", tables);

    Ok(())
}