How to Install Radicale on Your Synology NAS with Docker

Radicale is a small but powerful CalDAV (calendars, to-do lists) and CardDAV (contacts) server.

Official Website
GitHub

Features

• Shares calendars and contact lists through CalDAV, CardDAV and HTTP.
• Works out-of-the-box, no complicated setup or configuration required.
• Can secure connections with TLS
• Works with many CalDAV and CardDAV clients.

Step 1

Before we start, please ensure you have Docker installed. This can be installed through the Synology Package Center.

Step 2

We now need to create the Docker folder. Head into File Station and open the Docker folder. Select Create, choose Create folder and name it radicale.

Step 3

We will now head into Control Panel > Task Scheduler > Create > Scheduled Task and click User-defined script. (see demonstration)

Step 4

In the window that appears, insert the following:

In the General tab, In the Task field, enter Radicale. From the User list, select root. Uncheck the Enabled option.

In the Schedule tab, Select Run on the following date (make sure It’s today’s date). Now select Do not repeat.

In the Task Settings tab, under Notification, You can choose to turn this on, otherwise skip this. Now copy-paste the following code into the Run command area. Now click OK.

docker run -d --name radicale \
-p 5232:5232 \
--memory 256M \
--health-interval=30s \
--health-retries=3 \
--security-opt="no-new-privileges:true" \
-v /volume1/docker/radicale:/data \
tomsquest/docker-radicale

Important: Remember to update the Directory values to match your own. Ensure you visit the GitHub page for more ways to customize this container.

Step 5

When the below warning appears, press OK.

Step 6

You will now see your list of tasks. Select Radicale, now press Run.

Step 7

When asked to run, press Yes.

Step 8

The installation process has now finished. Give it a few seconds to appear in your Docker list.

Step 9

Open your browser and enter the link to your new container http://synologyip:5232.

Step 10

When you first launch the container, you will be prompted with a Login screen, simply enter the username and password you would like to use, press Next.

Docker Compose and Portainer

If you would prefer to install with Docker Compose or Portainer, use the following code. You can also view a demonstration here.

version: '3.3'
services:
    docker-radicale:
        container_name: radicale
        ports:
            - '5232:5232'
        volumes:
            - '/volume1/docker/radicale:/data'
        image: tomsquest/docker-radicale

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