credentials: {
      accessKeyId: "accessKeyId",
      secretAccessKey: "secretAccessKey"
    }

docker-compose.yml

---
version: "2.1"

services:
  localstack:
    image: localstack/localstack:3.0.2
    container_name: localstack
    ports:
      - "4566-4599:4566-4599" # ports of the different services
      - "9000:9000"
    environment:
      - SERVICES=sqs,dynamodb,lambda,apigateway,s3,iam,sts
      - DEFAULT_REGION=eu-west-1
      - PORT_WEB_UI=9000
      - DATA_DIR=/tmp/localstack/data
      - DOCKER_HOST=unix:///var/run/docker.sock
      - START_WEB=1
      - DEBUG=1
    volumes:
      - ./aws:/docker-entrypoint-initaws.d
      - /var/run/docker.sock:/var/run/docker.sock

aws --endpoint-url=http://localhost.localstack.cloud:4566 dynamodb create-table --cli-input-json file://table.json

{
  "TableName": "entryIndex",
  "KeySchema": [
    {
      "KeyType": "HASH",
      "AttributeName": "pk"
    },
    {
      "KeyType": "RANGE",
      "AttributeName": "sk"
    }
  ],
  "AttributeDefinitions": [
    {
      "AttributeName": "sk",
      "AttributeType": "S"
    },
    {
      "AttributeName": "pk",
      "AttributeType": "S"
    }
  ],
  "BillingMode": "PAY_PER_REQUEST",
  "GlobalSecondaryIndexes": [
    {
      "IndexName": "getByEntryID",
      "Projection": {
        "ProjectionType": "KEYS_ONLY"
      },
      "KeySchema": [
        {
          "AttributeName": "sk",
          "KeyType": "HASH"
        }
      ]
    }
  ]
}

import { DeleteCommand, DynamoDBDocumentClient, PutCommand } from "@aws-sdk/lib-dynamodb";
import { DynamoDBClient, ListTablesCommand} from "@aws-sdk/client-dynamodb";
import { fromNodeProviderChain } from "@aws-sdk/credential-providers";


  const credentials = fromNodeProviderChain();
  const {secretAccessKey, accessKeyId} = await credentials();
  const client =  DynamoDBDocumentClient.from(
   new DynamoDBClient({
    endpoint: process.env.AWS_ENDPOINT_URL,
    region: "eu-west-1",
    credentials: {
      accessKeyId: accessKeyId,
      secretAccessKey: secretAccessKey
    }
  }));

  const TableNames = await client.send(new ListTablesCommand({}));
  console.log(TableNames);