From e09281818603c93d0ec91fd6025d485e6cc6cc38 Mon Sep 17 00:00:00 2001
From: Chris Scott <chris@chrisdjscott.co.uk>
Date: Mon, 13 Nov 2023 10:38:30 +1300
Subject: [PATCH 1/2] add apptainer def file and workflow to build it

---
 .github/workflows/build_container.yml | 30 +++++++++++++++++++++++++++
 ML102.def                             | 16 ++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 .github/workflows/build_container.yml
 create mode 100644 ML102.def

diff --git a/.github/workflows/build_container.yml b/.github/workflows/build_container.yml
new file mode 100644
index 0000000..bb458be
--- /dev/null
+++ b/.github/workflows/build_container.yml
@@ -0,0 +1,30 @@
+name: Build container image
+
+on:
+  workflow_dispatch:
+  push:
+
+jobs:
+  build:
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+      cancel-in-progress: true
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install dependencies
+        run: |
+          sudo apt update -y
+          sudo apt install -y wget
+      - name: Install Apptainer
+        run: |
+          wget https://github.com/apptainer/apptainer/releases/download/v1.2.4/apptainer_1.2.4_amd64.deb
+          sudo apt install -y ./apptainer_1.2.4_amd64.deb
+          rm ./apptainer_1.2.4_amd64.deb
+      - uses: actions/checkout@v4
+      - name: Build container
+        run: sudo apptainer build ML102.sif ML102.def
+      - name: Login and deploy
+        run: |
+          echo ${{ secrets.GITHUB_TOKEN }} | apptainer remote login -u ${{ secrets.GHCR_USERNAME }} --password-stdin oras://ghcr.io
+          apptainer push ML102.sif "oras://ghcr.io/ml102_workshop:latest"
+        if: ${{ github.ref == 'refs/heads/main' }}
diff --git a/ML102.def b/ML102.def
new file mode 100644
index 0000000..588a689
--- /dev/null
+++ b/ML102.def
@@ -0,0 +1,16 @@
+Bootstrap: docker
+From: python:3.11-bookworm
+
+%files
+    ./ /opt/ml102_workshop/
+
+%post
+    apt-get update && apt-get install -y \
+        rsync \
+        nano \
+        vim \
+        git \
+        wget \
+        curl
+    pip install -r /opt/ml102_workshop/requirements.lock.txt
+    pip install jupyterlab

From d2e45c3f644e5d4c0316e21b513a1929cdbd3d8a Mon Sep 17 00:00:00 2001
From: Chris Scott <chris@chrisdjscott.co.uk>
Date: Mon, 13 Nov 2023 10:40:58 +1300
Subject: [PATCH 2/2] stick with Python 3.10 in image

---
 ML102.def | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ML102.def b/ML102.def
index 588a689..37352bc 100644
--- a/ML102.def
+++ b/ML102.def
@@ -1,5 +1,5 @@
 Bootstrap: docker
-From: python:3.11-bookworm
+From: python:3.10-bookworm
 
 %files
     ./ /opt/ml102_workshop/