Create a Singularity container from a Singularity script using a website

There are multiple ways how to create a Singularity container.

This page shows how to do so using a website

Procedure

1. Go to to Sylabs website

Go to the Sylabs website

How does that look like?

The Sylabs website looks similar to this:

2. Got to the Sylabs Singularity Container Services website

On the Sylabs website, click 'Products | Singularity Container Services'

Where to click?

Click here:

You will be takes to the 'Singularity Container Services'.

How does that look like?

The Singularity Container Services website looks similar to this:

3. Sign in or sign up

At the 'Singularity Container Services' website, click 'Sign Up' or 'Sign In'

How does signing in look like?

Signing in looks similar to this:

You are now logged in at the 'Singularity Container Services':

How does that look like?

The Singularity Container Services looks similar to this after logging in:

4. Go to the remote builder

Click on 'Remote builder'.

Where to click?

Click here:

5. Setup the remote builder

The remote builder shows a Singularity script and some default settings.

How does that look like?

The remote builder's default settings look similar to this:

Make the following changes:

• paste your Singularity script in the text box
• change Repository to a valid name (as indicated), for example, as default/my_container

How does that look like?

The remote builder with modified values looks similar to this:

6. Let the container be built

Click 'Submit Build'.

Where to click?

Click here:

The building will start.

How does that look like?

A build that has just started looks similar to this:

After a while the building will be done.

How does that look like?

A build that has finished looks similar to this:

7. Download the container

There are multiple ways to download your Singularity container:

• Download from the website: click on 'View image', then scroll down and click 'Download'

How does that look like?

Click on 'View image' here:

The 'View image' page looks similar to this:

At the 'View image' page, scroll down to find the 'Download' button:

• Use a singularity pull

For example:

singularity pull library://sven/default/my_container

How does that look like?

For example:

$ singularity pull library://pontus/default/sortmerna:3.0.3
WARNING: Authentication token file not found : Only pulls of public images will succeed
INFO:    Downloading library image
 65.02 MiB / 65.02 MiB [=========================================================================================================================================] 100.00% 30.61 MiB/s 2s

8. Use the container

How to use a container, depends on what it does.

Here are some thing to try:

Run the container without arguments, in the hope of getting a clear error message with instructions:

./my_container.sif

Run the container in the hope of seeing its documentation:

./my_container.sif --help

Run the container on the local folder, in the hope of getting a clear error message with instructions:

./my_container.sif .