feat: add tensorflow-cpu

Signed-off-by: Massimiliano Giovagnoli <massimiliano.giovagnoli@chainguard.dev>

tensorflow-cpu.yaml

@@ -0,0 +1,97 @@
+package:
+  name: tensorflow-cpu
+  version: 0_git20241219
+  epoch: 1
+  description: tensorflow-cpu
+  copyright:
+    - license: Apache-2.0
+  dependencies:
+    runtime:
+      - python-3.11
+      - py3.11-pip
+
+vars:
+  pypi-package: tensorflow-cpu
+  prefix: /usr
+
+environment:
+  contents:
+    packages:
+      - build-base
+      - busybox
+      - py3.11-pip
+      - python-3.11
+  environment:
+    # This is needed to work around the error "ValueError: ZIP does not support timestamps before 1980"
+    SOURCE_DATE_EPOCH: 315532800
+
+pipeline:
+  - uses: git-checkout
+    with:
+      expected-commit: d311fe017c036143186f9185f491fa6d6461a84e
+      repository: https://github.com/tensorflow/build
+      branch: master
+
+  - working-directory: tensorflow_runtime_dockerfiles
+    pipeline:
+      - name: Install cpu requirements
+        runs: |
+          python3 -m pip install \
+            --no-cache-dir \
+            --root ${{targets.contextdir}} \
+            --prefix ${{vars.prefix}} \
+            -r cpu.requirements.txt
+
+      - name: Install Tensorflow
+        runs: |
+          python3 -m pip install \
+            --no-cache-dir \
+            --root ${{targets.contextdir}} \
+            --prefix ${{vars.prefix}} \
+            tf-nightly
+
+      - name: Install jupyter requirements
+        runs: |
+          python3 -m pip install \
+            --no-cache-dir \
+            --root ${{targets.contextdir}} \
+            --prefix ${{vars.prefix}} \
+            -r jupyter.requirements.txt \
+            -U
+
+      - name: Install bashrc 
+        runs: |
+          mkdir -p ${{targets.contextdir}}/etc
+          cp bashrc ${{targets.contextdir}}/etc/bash.bashrc
+
+      - name: Install tensorflow tutorials
+        runs: |
+          mkdir -p ${{targets.contextdir}}/tf/tensorflow-tutorials
+          cp jupyter.readme.md ${{targets.contextdir}}/tf/tensorflow-tutorials/README.md
+test:
+  environment:
+    contents:
+      packages:
+        - curl
+  pipeline:
+    - name: Test import of IPython kernel for Jupyter
+      runs: |
+        python3 -m ipykernel.kernelspec
+    - name: Test import of Tensorflow
+    - runs: |
+        python -c 'import tensorflow as tf'
+    - name: Test Juputer notebook run
+      runs: |
+        jupyter notebook --notebook-dir=/tf --ip 0.0.0.0 --no-browser --allow-root >/dev/null 2>&1 &
+        pid=$!
+        sleep 5
+        curl --fail --location --request GET --head --silent localhost:8888
+        kill $pid
+
+update:
+  enabled: true
+  git: {}
+  schedule:
+    period: daily
+    reason: Upstream does not maintain tags or releases
+