How to create PDF in docker container?

7 mins read

Syncfusion Essential® PDF is a .NET Core PDF library used to create, read, and edit PDF documents. Using this library, you can create a PDF document in docker using ASP.NET Core.

Steps to create PDF in docker programmatically:

Create a new C# ASP.NET Core web application project.
Select the project template with Model-View-Controller and enable the docker support. Select the target OS (Windows or Linux) based on the requirement. In this article, Linux has been used as Target OS.
Install the Syncfusion.Pdf.Net.Core NuGet package as reference to your .NET Core project from NuGet.org.
Add a new button (Create Document) in the Index.cshtml as shown below.

@{Html.BeginForm("CreateDocument", "Home", FormMethod.Get);

{

<div>

</div>

}

Html.EndForm();

}

Add new button in html page

Include the following namespaces in the HomeController.cs file.

using Syncfusion.Pdf;
using Syncfusion.Pdf.Graphics;
using Syncfusion.Drawing;
using System.IO;

VB.NET

Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Graphics
Imports Syncfusion.Drawing
Imports System.IO

Add a new action method CreateDocument in HomeController.cs and include the following code snippet to create a PDF file and download it.

//Create a new PDF document
PdfDocument document = new PdfDocument();
 
//Add a page to the document
PdfPage page = document.Pages.Add();
 
//Create PDF graphics for the page
PdfGraphics graphics = page.Graphics;
 
//Set the standard font
PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 20);
 
//Draw the text
graphics.DrawString("Hello World!!!", font, PdfBrushes.Black, new PointF(0, 0));
 
//Saving the PDF to the MemoryStream
MemoryStream stream = new MemoryStream();
 
document.Save(stream);
 
//Set the position as '0'
stream.Position = 0;
 
//Download the PDF document in the browser
FileStreamResult fileStreamResult = new FileStreamResult(stream, "application/pdf");
 
fileStreamResult.FileDownloadName = "Sample.pdf";
 
return fileStreamResult;

VB.NET

'Create a new PDF document
Dim document As PdfDocument = New PdfDocument
 
'Add a page to the document
Dim page As PdfPage = document.Pages.Add
 
'Create PDF graphics for the page 
Dim graphics As PdfGraphics = page.Graphics
 
'Set the standard font
Dim font As PdfFont = New PdfStandardFont(PdfFontFamily.Helvetica, 20)
 
'Draw the text
graphics.DrawString("Hello World!!!", font, PdfBrushes.Black, New PointF(0, 0))
 
'Saving the PDF to the MemoryStream
Dim stream As MemoryStream = New MemoryStream
 
document.Save(stream)
 
'Set the position as '0'
stream.Position = 0
 
'Download the PDF document in the browser
Dim fileStreamResult As FileStreamResult = New FileStreamResult(stream, "application/pdf")
 
fileStreamResult.FileDownloadName = "Output.pdf"
 
Return fileStreamResult

Build and run the sample in docker. It will pull the Linux docker image from the docker hub and run the project.
It will prompt for accessing the windows drives. Now, the webpage will open in the browser. Click the Create PDF button to create a PDF document in Linux docker container.

A complete working sample can be downloaded from CreatePdf_DockerSample.zip

By executing the program, you will get the PDF document from docker as follows. PDF document created in Docker

Take a moment to peruse the documentation, where you will find other options like drawing right-to-left text and multi-column text, consuming TrueType fonts, Standard fonts, and CJK fonts. Also, the features like PDF form filling, extract text or images from PDF, and protect PDF documents with code examples.

Refer here to explore the rich set of Syncfusion Essential® PDF features.

An online sample link to generate Hello world PDF document.

Conclusion

I hope you enjoyed learning about how to create PDF in docker window.

You can refer to our ASP.NET Core PowerPoint's feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our PowerPoint example to understand how to create and manipulate data.

For current customers, you can check out our Document processing libraries from the License and Downloads page. If you are new to Syncfusion®, you can try our 30-day free trial to check out other controls.

If you have any queries or require clarifications, please let us know in the comments section below. You can also contact us through our support forums, Direct-Trac, or feedback portal. We are always happy to assist you!

How to create PDF in docker container?

Steps to create PDF in docker programmatically:

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