added docker build

.devcontainer/Dockerfile

@@ -0,0 +1,25 @@
+FROM ubuntu:latest
+
+ARG TL_VERSION=2023
+ARG TL_MIRROR=https://mirror.ctan.org/systems/texlive/tlnet/install-tl-unx.tar.gz
+
+# Install basic packages
+RUN apt-get update -q 
+RUN apt-get install -qy build-essential wget sudo
+
+# Install basic texlive distribution
+RUN cd /tmp && \
+    wget --directory-prefix /tmp ${TL_MIRROR} && \
+    zcat < install-tl-unx.tar.gz | tar xf - && \
+    cd install-tl-* && \
+    perl ./install-tl --scheme=small --no-interaction 
+ENV PATH="${PATH}:/usr/local/texlive/${TL_VERSION}/bin/x86_64-linux"
+
+# Create new user as we cannot use tlmgr as root user.
+RUN groupadd -r ${DEV_USER} 
+RUN useradd --system --gid ${DEV_USER} --create-home ${DEV_USER}
+
+# Update packages and tlmgr
+ENV TEXMIRROR="http://ctan.math.utah.edu/ctan/tex-archive/systems/texlive/tlnet"
+RUN tlmgr init-usertree
+RUN tlmgr update --self --all

.devcontainer/devcontainer.json

@@ -0,0 +1,15 @@
+{
+    "image": "ghcr.io/oliverkillane/imperial-computing-notes-dev:latest",
+    "customizations": {
+        "vscode": {
+            "extensions": []
+        }
+    },
+    "mounts": [
+        {
+            "source": "${localEnv:HOME}/.ssh",
+            "target": "/root/.ssh",
+            "type": "bind"
+        }
+    ]
+}

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

@@ -0,0 +1,30 @@
+name: Build and Publish Image
+
+on:
+  push:
+    branches:
+      - enh/development-docker
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.IMPERIAL_NOTES_GHCR_TOKEN }}
+      - name: Build and Push Image
+        uses: docker/build-push-action@v5
+        with:
+          context: ./devcontainer
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: imperial-computing-notes-dev:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max