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Radarr in Docker on a Synology NAS

UpdateDate
Added Docker Compose details
Added new folder mappings to ensure atomic moves and Hard-linking
03/05/2021
Guide re-written and updated with DSM7 screenshots01/08/2021
Updated screenshots and steps for DSM7.1 03/06/2022


What is Radarr?

Radarr is used to search, download and organise your Movies in conjunction with your preferred Usenet or Torrent downloaders and indexers.

Let’s Begin

In this guide I will take you through the steps to get Radarr up and running in Docker.

In order for you to successfully use this guide please complete the two preceding guides

Downloading the Radarr Image

Open up Docker within DSM and navigate to the ‘Registry’ tab and search for ‘Radarr’. In the list of available containers select the one made by Linuxserver as shown below then click ‘Download’.

The pop-up box will ask which version you want to download, make sure you choose ‘Latest’ from the list of available versions.

You can check the status of the download over on the ‘Image’ tab.

Setting up the container

In Docker click on the ‘Image’ tab, in the list of your containers select the ‘Linuxserver Radarr’ image and click on ‘Launch’

The first screen will ask how you want to set up the Docker network, to keep things simple we will be using the Docker Host option which means we will not need to set up any additional ports. Click Next once you have selected the option.

General Settings

Next you will be greeted with the General Settings screen, this is where you can start specifying some of your preferences.

You can change the name of the container to anything you like, and you may want to enable Auto Restart as this will ensure Radarr starts automatically if you reboot your NAS.

You will also notice a Configure capabilities button — don’t change anything in here!

Next up we are going to click on the ‘Advanced Settings’ button, this will take you to a new window with a number of tabs which we are going to work through.

Environment (PGID,  PUID and Timezone)

Next we are going to set up a couple of environment variables that docker will use to allow the container access to our files and folders and also to tell it where we live in the world.

Click the Add button, and fill in the following details as per the table/screenshot, you will need to do one at a time.

variableValue
PUIDThe UID you obtained in the user setup guide
PGIDThe GID you obtained in the user setup guide
TZYour timezone wikipedia.org/wiki/List_of_tz_database_time_zones

Links / Execution Command

You do not need to set up anything on these tabs.

Press ‘Save’ to go back to the initial setup screen, then press ‘Next’

Volume Settings

We will now be specifying the directories where Radarr will store its configuration files and where to find our media and downloads.

Click on ‘Add Folder’ select the ‘docker’ folder and create a new sub-folder called ‘radarr’ select this folder and click ‘select’

Repeat this process to add the /data folder.

You will now add the below settings into the ‘Mount path’ section

File/FolderMount path
docker/radarr/config
data/data

Click Next to move to the final screen.

Summary

You have now completed the setup of the container.

You will be shown an overall summary of the settings we have specified, this is a good time to double-check everything is correct. Finally, click on Done and the container should start to boot.

You should now be able to access Radarr via the IP of your NAS followed by the port 7878

e.g. 192.168.0.40:7878

Make sure you check out page 2 of this guide that covers some common basic settings.

Docker Compose

You can use the below code saved as radarr.yml in the ‘/docker/radarr’ share, this will do the entire process above in one quick command via SSH. Ensure you change the variables to your own.

version: "3.8"
services:
  linuxserver-radarr:
    image: linuxserver/radarr:latest
    container_name: radarr
    environment:
      - PUID=YOURUID
      - PGID=YOURGID
      - TZ=Your/Timezone
    volumes:
      - /volume1/data:/data
      - /volume1/docker/radarr:/config
    network_mode: host
    restart: unless-stopped
sudo docker-compose -f /volume1/docker/radarr/radarr.yml up -d


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Published inDockerSynology

43 Comments

  1. Rob Rob

    First of all, thanks for the guides! They are really helpful.

    I have an issue that I am suspecting has to do with permissions. I followed your guide to create a dockerlimited user and assigned permissions to the files/folders in the volumes that I needed.

    Radarr is the only container that I am having issues with. When I look through the terminal, I am able to see everything in the folder and even create files. I verified through another machine and user that all the permissions are ok. However, when I add this folder, Radarr is not picking up any of the files. Any ideas?

    • Dr_Frankenstein Dr_Frankenstein

      Hey Rob, I could do with some extra info and probably some screenshots. Can you reach out via the Discord channel or via my Contact Page top left of the site. I will need to see the volume settings for Radarr as a starter and what folder you are mounting..

      • Rob Rob

        Hey, thanks for the quick reply, but I figured out my problem. Permissions were fine, its just I either misread or assumed that Radarr was able to detect loose files. Evidently they must all be in separate folders to be detected.

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