Using AWS Services in .net core console application

Program.cs

namespace Project
{
    public static partial class Program
    { 
        private static readonly AmazonS3Client _s3Client;
        
        private static async Task Main(string[] args)
        {
          var profileName = "awsprofile"; // from ~/.aws/credentials
          var chain = new CredentialProfileStoreChain();

          if (chain.TryGetAWSCredentials(profileName, out var awsCredentials)
              && chain.TryGetProfile(profileName, out var awsProfile))
          {
              _s3Client = new AmazonS3Client(awsCredentials, awsProfile.Region);
          }
            
          var key = "filename.txt";
          var fileContent = "File Content Goes Here";

            using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(fileContent)))
            {
                await _s3Client.PutObjectAsync(new PutObjectRequest
                {
                    BucketName = BucketName,
                    Key = key,
                    AutoCloseStream = true,
                    ServerSideEncryptionMethod = ServerSideEncryptionMethod.AES256,
                    StorageClass = S3StorageClass.Standard,
                    InputStream = stream, ContentType = "application/json"
                });
            }
        }
    }
}
        

Project.csproj

<Project Sdk="Microsoft.NET.Sdk">
    <PropertyGroup>
        <OutputType>Exe</OutputType>
        <TargetFramework>netcoreapp2.2</TargetFramework>
        <LangVersion>latest</LangVersion>
    </PropertyGroup>

    <ItemGroup>
        <PackageReference Include="AWSSDK.Core" Version="3.3.100.5" />
        <PackageReference Include="AWSSDK.S3" Version="3.3.101.3" />
        <PackageReference Include="Microsoft.Extensions.Configuration" Version="2.2.0" />
        <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="2.2.4" />
        <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="2.2.4" />
    </ItemGroup>
</Project>