using devcontainer common utils

.devcontainer/Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:latest
+FROM debian:bookworm-slim
 
 
 # Install basic packages
@@ -22,8 +22,8 @@ RUN tlmgr update --self --all
 RUN tlmgr install latexindent chktex
 
 # install inkscape (for tikz) and minted (for code highlighting) 
-RUN apt-get install -qy inkscape python3 python3-pip
-RUN pip install pygments
+RUN apt-get install -qy inkscape python3 python3-pip pipx
+RUN pipx install pygments
 
 # C++
 # Already installed GCC as part of build-essential

.devcontainer/devcontainer.json

@@ -1,5 +1,10 @@
 {
     "image": "ghcr.io/oliverkillane/imperial-computing-notes-dev",
+    "features": {
+        "ghcr.io/devcontainers/features/common-utils:2": {
+            "version": "latest"
+        }
+    },
     "customizations": {
         "vscode": {
             "settings": {

.github/workflows/push-dev-image.yaml

@@ -5,14 +5,17 @@ on:
     branches:
       - enh/development-docker
     paths:
-      - '.devcontainer/**'
+      - '.devcontainer/Dockerfile'
 
 jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          sparse-checkout: .devcontainer/Dockerfile
+          sparse-checkout-cone-mode: false
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Enrich Metadata

README.md

@@ -18,8 +18,3 @@ It is designed as an improvement in quality over the [second year repo](https://
 ## How do I build this?
 
 ## [I want to contribute!](./.github/CONTRIBUTING.md)
-## I've found a mistake!
-Simply [add a new issue](https://github.com/OliverKillane/Imperial-Computing-Year-3-Notes/issues/new/choose) and attach the relevant labels.
-
-![Screenshot 2022-10-09 015053](https://user-images.githubusercontent.com/44177991/194732526-54cca108-9fa7-4b0e-a4af-b0baad625af9.png)
-