Before we talk about [Apptainer](https://apptainer.org/), we need to know what containerization is.
Before we talk about [Apptainer](https://apptainer.org/), you should know what containers are.
## What is Containerization?
## What is Containerization?
...
@@ -22,9 +22,9 @@ This is where Apptainer comes in. Formerly known as Singularity, Apptainer is si
...
@@ -22,9 +22,9 @@ This is where Apptainer comes in. Formerly known as Singularity, Apptainer is si
It runs containers under **user privileges**.
It runs containers under **user privileges**.
Apptainer is designed with scientific and application virtualization in mind which makes it a go-to choice for many researchers and institutions.
Apptainer is designed with scientific and application virtualization in mind which makes it the go-to choice for many researchers and institutions.
## Where to find containers?
## Where can you get container images?
Apptainer uses `.sif` (Singularity Image Format) files, which are different from the image files that Docker uses. If you're already familiar with `.sif` files and Apptainer/Singularity, you can skip to the examples section. Otherwise, here are two ways to get containers for Apptainer:
Apptainer uses `.sif` (Singularity Image Format) files, which are different from the image files that Docker uses. If you're already familiar with `.sif` files and Apptainer/Singularity, you can skip to the examples section. Otherwise, here are two ways to get containers for Apptainer:
