AL2023 Minimal container image
Note
The standard AL2023 container images are suitable for most use cases, and adapting to the minimal container image is likely to be more work than adapting to the AL2023 base container image.
The AL2023 minimal container image, introduced in AL2023.2, differs from the base container image because it contains only the bare minimum packages needed to install other packages. The minimal container image is designed to be a minimal set of packages, not a convenient set of packages .
The AL2023 minimal container image is built from software components already available
in AL2023. The key difference in the minimal container image is using microdnf to
provide the dnf package manager rather than the fully featured
Python based dnf. This enables the minimal container image to be
smaller with the trade-off of not having the full feature set of the dnf package
manager which is included in the AL2023 AMIs and base container image.
The AL2023 minimal container image forms the base of the
provided.al2023 Amazon Lambda runtime environment.
For a detailed list of packages included in the minimal container image, see Comparing packages installed on Amazon Linux 2023 Container Images.
Minimal Container image size
Because the AL2023 minimal container image contains fewer packages than the AL2023 base container image, it is also significantly smaller. The following table compares the container image options of current and past releases of Amazon Linux.
Note
Image Size is as-shown on
Amazon Linux on Amazon ECR Public Gallery
| Image | Version | Image Size | Note |
|---|---|---|---|
| Amazon Linux 1 (AL1) | 2018.03.0.20230918.0 | 62.3MB | x86-64 only |
| Amazon Linux 2 | 2.0.20230926.0 | 64.2MB | aarch64 is 1.6MB larger than x86-64 |
| Amazon Linux 2023 base container image | 2023.2.20231002.0 | 52.4MB | |
| Amazon Linux 2023 minimal container image | 2023.2.20231002.0-minimal | 35.2MB |
Using the AL2023 Minimal Container image
The AL2023 minimal container image is available on ECR and the
2023-minimal tag will always point to the latest AL2023 based minimal
container image, while the minimal tag may be updated to a newer version of Amazon Linux
than AL2023.
You can pull these tags using docker with the following example:
$docker pull public.ecr.aws/amazonlinux/amazonlinux:minimal
$docker pull public.ecr.aws/amazonlinux/amazonlinux:2023-minimal
The following example shows a Dockerfile that takes the minimal container
image and installs GCC on top of it :
FROM public.ecr.aws/amazonlinux/amazonlinux:2023-minimal RUN dnf install -y gcc && dnf clean all