How to Install Stirling-PDF on Your Synology NAS

How to Install Stirling-PDF on Your Synology NAS

Stirling-PDF is a powerful locally hosted web based PDF manipulation tool using Docker and AI that allows you to perform various operations on PDF files, such as splitting merging, converting, reorganizing, adding images, rotating, compressing, and more. In this step by step guide I will show you how to install Stirling-PDF on your Synology NAS using Docker and Portainer.

💡Note: This guide works perfectly with the latest Stirling-PDF v0.21.0 release.

  • STEP 1

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  • STEP 2

Install Portainer using my step by step guide. If you already have Portainer installed on your Synology NAS, skip this STEP. Attention: Make sure you have installed the latest Portainer version.

  • STEP 3

Go to File Station and open the docker folder. Inside the docker folder, create one new folder and name it stirling. Follow the instructions in the image below.
Note: Be careful to enter only lowercase, not uppercase letters.

Stirling-PDF Synology NAS Set up 1

  • STEP 4

Now create three new folders inside the stirling folder that you created at STEP 3 and name them config, data, logs. Follow the instructions in the image below.
Note: Be careful to enter only lowercase, not uppercase letters.

Stirling PDF Synology NAS Set up 2 new 2024

  • STEP 5

Log into Portainer using your username and password. On the left sidebar in Portainer, click on Stacks then + Add stack. Follow the instructions in the image below.

1 Synology Portainer Add Stack

  • STEP 6

In the Name field type in stirling. Follow the instructions in the image below.

Note: Copy Paste the code below in the Portainer Stacks Web editor.

version: '3.9'
services:
  stirling-pdf:
    container_name: Stirling-PDF
    image: frooodle/s-pdf
    mem_limit: 2g
    cpu_shares: 768
    security_opt:
      - no-new-privileges:true
    healthcheck:
     test: curl -f http://localhost:8080/ || exit 1
    ports:
      - 7890:8080
    volumes:
      - /volume1/docker/stirling/data:/usr/share/tesseract-ocr/5/tessdata:rw # Required for extra OCR languages
      - /volume1/docker/stirling/config:/configs:rw
      - /volume1/docker/stirling/logs:/logs:rw
    environment:
     DOCKER_ENABLE_SECURITY: true # or false
     SECURITY_ENABLELOGIN: true #or false
     SECURITY_INITIALLOGIN_USERNAME: marius
     SECURITY_INITIALLOGIN_PASSWORD: mariushosting
     SECURITY_CSRFDISABLED: true #or false
     SYSTEM_DEFAULTLOCALE: en_US # or fr_FR or de_DE
     UI_APPNAME: mariusPDF
     UI_HOMEDESCRIPTION: mariushosting PDF Description
     UI_APPNAMENAVBAR: mariushosting PDF
     SYSTEM_MAXFILESIZE: 5000 # Set the maximum file size in MB
     METRICS_ENABLED: true
     SYSTEM_GOOGLEVISIBILITY: false # or true
    restart: on-failure:5

Note: Before you paste the code above in the Web editor area below, change the values for SECURITY_INITIALLOGIN_USERNAME and type in your own username. marius is an example for a username. You will need the Username later at STEP 10.
Note: Before you paste the code above in the Web editor area below, change the values for SECURITY_INITIALLOGIN_PASSWORD and type in your own password. mariushosting is an example for a password. . You will need this password later at STEP 10.
Note: Before you paste the code above in the Web editor area below, change the value for SYSTEM_DEFAULTLOCALE. Examples: en_US for English, de_DE for German, fr_FR for French etc. (Select your current Default Language from this list.)
Note: Before you paste the code above in the Web editor area below, change the value for UI_APPNAME. Choose a name for the app in the Homepage. mariusPDF is an example of a Homepage name.
Note: Before you paste the code above in the Web editor area below, change the value for UI_HOMEDESCRIPTION. Choose a name for the app Description. mariushosting PDF Description is an example of a Description.
Note: Before you paste the code above in the Web editor area below, change the value for UI_APPNAMENAVBAR. Choose a name for the Navigation bar. mariushosting PDF is an example of a Navigation bar name.

Stirling PDF Synology NAS Set up 3d new 2025

  • STEP 7

Scroll down on the page until you see a button called Deploy the stack. Click on it. Follow the instructions in the image below. The installation process can take up to a few minutes. It will depend on your Internet speed connection.

Stirling PDF Synology NAS Set up 4d new 2025

⌛Now just wait because the Stirling-PDF image is about 1.4GB.

  • STEP 8

If everything goes right, you will see this message at the top right of your screen: “Success Stack successfully deployed“.

Stirling PDF Synology NAS Set up 5 new 2025

  • STEP 9

Go back to STEP 1 or you will deal with karma 🙂

  • STEP 10

The installation process can take up to a few seconds/minutes. It will depend on your Internet speed connection. Now open your browser and type in http://Synology-ip-address:7890 Add your own Username and Password that you have previously created at STEP 6 then click Sign in. Follow the instructions in the image below.

Stirling PDF Synology NAS Set up 6 new 2025

  • STEP 11

Your Stirling PDF dashboard at a glance!

Stirling PDF Synology NAS Set up 7a new 2025

  • STEP 12

You can easily change the language and the theme from light to dark. Follow the instructions in the image below.

Stirling PDF Synology NAS Set up 8a new 2025

Enjoy Stirling-PDF!

🆘TROUBLESHOOTING

If you encounter issues by using this container, make sure to check out the Common Docker issues article.

Note: If you want to run the Stirling-PDF container over HTTPS, check How to Run Docker Containers Over HTTPS. In order to make Stirling-PDF work over https, it’s also mandatory to set up WebSocket.

Note: Can I run Docker on my Synology NAS? See the supported models.
Note: How to Back Up Docker Containers on your Synology NAS.
Note: Find out how to update the Stirling-PDF container with the latest image.
Note: How to Free Disk Space on Your NAS if You Run Docker.
Note: How to Schedule Start & Stop For Docker Containers.
Note: How to Activate Email Notifications.
Note: How to Add Access Control Profile on Your NAS.
Note: How to Change Docker Containers Restart Policy.
Note: How to Use Docker Containers With VPN.
Note: Convert Docker Run Into Docker Compose.
Note: How to Clean Docker.
Note: How to Clean Docker Automatically.
Note: Best Practices When Using Docker and DDNS.
Note: Some Docker Containers Need WebSocket.
Note: Find out the Best NAS Models For Docker.
Note: Activate Gmail SMTP For Docker Containers.

This post was updated on Saturday / February 24th, 2024 at 5:27 AM