Run Office 2019 in Windows Full Container (19H1)

build.cmd

@echo off
pushd "%~dp0"

docker build -t o365full:latest .

:exit
popd
@echo on

config.xml

<Configuration>
  <Add OfficeClientEdition="32" Channel="PerpetualVL2019">
    <Product ID="ProPlus2019Volume">
      <Language ID="ko-kr" />
    </Product>
  </Add>
  <Display Level="None" AcceptEULA="TRUE" />
  <Property Name="AUTOACTIVATE" Value="1"/>
</Configuration>

Dockerfile

FROM mcr.microsoft.com/windows:1903 AS build

WORKDIR C:\\odtsetup
ADD https://download.microsoft.com/download/2/7/A/27AF1BE6-DD20-4CB4-B154-EBAB8A7D4A7E/officedeploymenttool_11617-33601.exe odtsetup.exe
RUN odtsetup.exe /quiet /norestart /extract:C:\\odtsetup

FROM mcr.microsoft.com/windows:1903 AS download

WORKDIR C:\\odtsetup
COPY --from=build C:\\odtsetup\\setup.exe .
ADD config.xml .
RUN setup.exe /download C:\\odtsetup\\config.xml

FROM mcr.microsoft.com/windows:1903
MAINTAINER rkttu

WORKDIR C:\\odtsetup
COPY --from=build C:\\odtsetup\\setup.exe .
COPY --from=download C:\\odtsetup\\Office .
ADD config.xml .
RUN setup.exe /configure C:\\odtsetup\\config.xml

WORKDIR /
RUN rmdir /s /q C:\\odtsetup

# https://stackoverflow.com/questions/10837437/interop-word-documents-open-is-null
RUN powershell -Command new-object -comobject word.application
RUN mkdir C:\\Windows\\SysWOW64\\config\\systemprofile\\Desktop

VOLUME C:\\data
ADD sample .

Sample.cs

// Requires office.dll and word interop pia.dll from GAC

using Microsoft.Office.Interop.Word;
using System;
using System.IO;
using System.Linq;

namespace OfficePIATest
{
    internal static class Program
    {
        [STAThread]
        public static void Main(string[] args)
        {
            var input = args.ElementAtOrDefault(0) ?? string.Empty;
            var output = args.ElementAtOrDefault(1) ?? string.Empty;

            if (!File.Exists(input))
            {
                Console.Error.WriteLine("Cannot open the file `{0}`.", input);
                Environment.Exit(1);
                return;
            }

            if (string.IsNullOrWhiteSpace(output))
            {
                Console.Error.WriteLine("Invalid output path.");
                Environment.Exit(2);
                return;
            }

            var outputDir = Path.GetDirectoryName(output);
            if (!Directory.Exists(outputDir))
                Directory.CreateDirectory(outputDir);

            var wordApp = new Application();
            Console.Out.WriteLine("word app initialized.");

            Document wordDocument = null;
            var t = new System.Threading.Tasks.Task(() => wordDocument = wordApp.Documents.Open(input));
            t.Start();
            t.Wait();

            if (wordDocument == null)
            {
                Console.Error.WriteLine("Word document is null reference.");
                Environment.Exit(3);
                return;
            }
            else
                Console.Out.WriteLine("Word document opened.");

            wordDocument.ExportAsFixedFormat(output, WdExportFormat.wdExportFormatPDF);
            Console.Out.WriteLine("Export performed.");

            wordDocument.Close(WdSaveOptions.wdDoNotSaveChanges,
                               WdOriginalFormat.wdOriginalDocumentFormat,
                               false); //Close document
            Console.Write("Closing document");

            wordApp.Quit(); //Important: When you forget this Word keeps running in the background
            Console.Out.WriteLine("Quitting word app.");
        }
    }
}

test.cmd

@echo off
pushd "%~dp0"

docker run -v %cd%\data:c:\data --rm -it --name=o365fulltest o365full:latest cmd

:exit
popd
@echo on

How to use it.

How does it work, can you please guide me??