Update readme

docs/src/internal-build.md

@@ -1,9 +1,9 @@
 # Internal Build Notes / IRD
 
-- When building the runtime we must use Ubuntu 20.04 docker image
+- When building the runtime we must use Ubuntu 22.04 docker image
   - When making an IRD reservation use `--docker-image
-    yyz-gitlab.local.tenstorrent.com:5005/tenstorrent/infra/ird-ubuntu-20-04-amd64:latest`
-- You'll have to manaully install a newer version of cmake, at least 3.20, the easiest way to do this is to `pip install cmake` and make sure this one is in your path
+    yyz-gitlab.local.tenstorrent.com:5005/tenstorrent/infra/ird-ubuntu-22-04-amd64:latest`
+- You'll have to manaully install a newer version of cmake, at least 3.22, the easiest way to do this is to `pip install cmake` and make sure this one is in your path
 - You'll want LLVM installation to persist IRD reservations, you can achieve this by:
   - mkdir /localdev/$USER/ttmlir-toolchain
   - When requesting an IRD use `--volumes /localdev/$USER/ttmlir-toolchain:/opt/ttmlir-toolchain`
@@ -17,7 +17,7 @@ Components:
 
 Overview:
 
-The [Dockerfile](.github/Dockerfile) describes how to create an image for building the tt-mlir project file. It starts with a supported base image (Ubuntu 20.04) and installs the necessary packages. The purpose of the Docker build is to:
+The [Dockerfile](.github/Dockerfile) describes how to create an image for building the tt-mlir project file. It starts with a supported base image (Ubuntu 22.04) and installs the necessary packages. The purpose of the Docker build is to:
 
   - Set up build dependencies
   - Prepare the tt-mlir toolchain
@@ -28,13 +28,13 @@ This process also prepopulates caches for Python packages and the ccache cache i
 
 ### Building the Docker Image using GitHub Actions
 
-The GitHub Actions workflow [Build and Publish Docker Image](.github/workflows/build-image.yml) builds the Docker image and uploads it to GitHub Packages at https://github.com/orgs/tenstorrent/packages?repo_name=tt-mlir. The image name is tt-mlir-ubuntu-20-04, and we use the git SHA we build from as the tag.
+The GitHub Actions workflow [Build and Publish Docker Image](.github/workflows/build-image.yml) builds the Docker image and uploads it to GitHub Packages at https://github.com/orgs/tenstorrent/packages?repo_name=tt-mlir. The image name is tt-mlir-ubuntu-22-04, and we use the git SHA we build from as the tag.
 
 ### Building the Docker Image Locally
 
 To test the changes and build the image locally, use the following command:
 ```bash
-docker build -f .github/Dockerfile -t tt-mlir-ubuntu-20-04:latest .
+docker build -f .github/Dockerfile -t tt-mlir-ubuntu-22-04:latest .
 ```
 
 ### Pushing the Docker Image to GitHub
@@ -48,19 +48,19 @@ echo "<my-github-pat>" | docker login ghcr.io -u <username> --password-stdin
 
 Add a tag to the built image:
 ```bash
-docker tag tt-mlir-ubuntu-20-04:latest ghcr.io/tenstorrent/tt-mlir/tt-mlir-ubuntu-20-04:latest
+docker tag tt-mlir-ubuntu-22-04:latest ghcr.io/tenstorrent/tt-mlir/tt-mlir-ubuntu-22-04:latest
 ```
 
 Push the image:
 ```bash
-docker push ghcr.io/tenstorrent/tt-mlir/tt-mlir-ubuntu-20-04:latest
+docker push ghcr.io/tenstorrent/tt-mlir/tt-mlir-ubuntu-22-04:latest
 ```
 
 ### Using the Image in GitHub Actions Jobs
 
 The GitHub Actions workflow [Build in Docker](.github/workflows/docker-build.yml) uses a Docker container for building:
 ```yaml
     container:
-      image: ghcr.io/${{ github.repository }}/tt-mlir-ubuntu-20-04:latest
+      image: ghcr.io/${{ github.repository }}/tt-mlir-ubuntu-22-04:latest
       options: --user root
 ```