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feat: Python version matrix for Docker images + error-masking fix #76

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Merged
deanq merged 15 commits into from
Mar 10, 2026
Merged

feat: Python version matrix for Docker images + error-masking fix #76

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23a6f5c
feat: add Python version matrix for Docker images
deanq Mar 6, 2026
a20be9e
fix: stop masking deployment errors by falling back to Live Serverless
deanq Mar 6, 2026
0c56199
fix: update handler tests for RuntimeError + sync uv.lock
deanq Mar 6, 2026
f917b44
feat: add Python version to startup banner
deanq Mar 6, 2026
851c66a
fix(review): address PR #76 feedback
deanq Mar 6, 2026
37a90c0
fix(review): address PR #76 round 2 feedback
deanq Mar 6, 2026
4d7b33c
fix: preserve base image torch by removing Python symlink and targeti…
deanq Mar 7, 2026
f5ef12b
feat: versioned Docker image builds with single pytorch base image
deanq Mar 7, 2026
1dd5723
fix: format dependency_installer.py
deanq Mar 7, 2026
4b5e839
docs: document Python version constraints and base image layout
deanq Mar 8, 2026
3d72bf2
feat: pin GPU images to Python 3.12, default CPU to 3.12
deanq Mar 9, 2026
75ead82
chore: update lockfile
deanq Mar 9, 2026
313aa4a
fix: auto-detect local Python version for CPU image builds
deanq Mar 9, 2026
ca89225
fix(review): address PR #76 feedback -- CI matrix, Dockerfiles, pip s…
deanq Mar 9, 2026
d5de8a8
chore: bump runpod-flash dependency to 1.8.0
deanq Mar 10, 2026
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169 changes: 115 additions & 54 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -88,6 +88,8 @@ jobs:
platforms: linux/amd64
push: false
tags: flash-cpu:test
build-args: |
PYTHON_VERSION=3.11
cache-from: type=gha
cache-to: type=gha,mode=max
load: true
Expand Down Expand Up @@ -115,6 +117,8 @@ jobs:
platforms: linux/amd64
push: false
tags: flash-lb-cpu:test
build-args: |
PYTHON_VERSION=3.11
cache-from: type=gha
cache-to: type=gha,mode=max
load: true
Expand Down Expand Up @@ -163,6 +167,16 @@ jobs:
runs-on: ubuntu-latest
needs: [release]
if: needs.release.outputs.release_created
strategy:
matrix:
python-version: ["3.10", "3.11", "3.12"]
include:
- python-version: "3.10"
is-default: false
- python-version: "3.11"
is-default: true
- python-version: "3.12"
is-default: false
steps:
- name: Clear Space
run: |
Expand All @@ -188,14 +202,18 @@ jobs:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}

- name: Extract GPU metadata
id: meta-gpu
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
tags: |
type=semver,pattern={{version}},value=${{ needs.release.outputs.tag_name }}
type=raw,value=latest,enable={{is_default_branch}}
- name: Build versioned tags
id: tags
run: |
VERSION="${{ needs.release.outputs.tag_name }}"
VERSION="${VERSION#v}"
PYVER="${{ matrix.python-version }}"
IMAGE="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"
TAGS="${IMAGE}:py${PYVER}-${VERSION},${IMAGE}:py${PYVER}-latest"
if [ "${{ matrix.is-default }}" = "true" ]; then
TAGS="${TAGS},${IMAGE}:${VERSION},${IMAGE}:latest"
fi
echo "tags=${TAGS}" >> "$GITHUB_OUTPUT"

- name: Set up uv
uses: astral-sh/setup-uv@v4
Expand All @@ -210,24 +228,32 @@ jobs:
with:
context: .
file: ./Dockerfile
platforms: linux/amd64,linux/arm64
platforms: linux/amd64
push: true
tags: ${{ steps.meta-gpu.outputs.tags }}
labels: ${{ steps.meta-gpu.outputs.labels }}
cache-from: type=gha
cache-to: type=gha,mode=max
tags: ${{ steps.tags.outputs.tags }}
build-args: |
PYTHON_VERSION=${{ matrix.python-version }}
cache-from: type=gha,scope=gpu-py${{ matrix.python-version }}
cache-to: type=gha,mode=max,scope=gpu-py${{ matrix.python-version }}

docker-prod-cpu:
runs-on: ubuntu-latest
needs: [release]
if: needs.release.outputs.release_created
strategy:
matrix:
python-version: ["3.10", "3.11", "3.12"]
include:
- python-version: "3.10"
is-default: false
- python-version: "3.11"
is-default: true
- python-version: "3.12"
is-default: false
steps:
- name: Clear Space
run: |
rm -rf /usr/share/dotnet
rm -rf /opt/ghc
rm -rf "/usr/local/share/boost"
rm -rf "$AGENT_TOOLSDIRECTORY"
rm -rf /usr/share/dotnet /opt/ghc /usr/local/share/boost "$AGENT_TOOLSDIRECTORY"
docker system prune -af
df -h

Expand All @@ -249,14 +275,18 @@ jobs:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}

- name: Extract CPU metadata
id: meta-cpu
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-cpu
tags: |
type=semver,pattern={{version}},value=${{ needs.release.outputs.tag_name }}
type=raw,value=latest,enable={{is_default_branch}}
- name: Build versioned tags
id: tags
run: |
VERSION="${{ needs.release.outputs.tag_name }}"
VERSION="${VERSION#v}"
PYVER="${{ matrix.python-version }}"
IMAGE="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-cpu"
TAGS="${IMAGE}:py${PYVER}-${VERSION},${IMAGE}:py${PYVER}-latest"
if [ "${{ matrix.is-default }}" = "true" ]; then
TAGS="${TAGS},${IMAGE}:${VERSION},${IMAGE}:latest"
fi
echo "tags=${TAGS}" >> "$GITHUB_OUTPUT"

- name: Set up uv
uses: astral-sh/setup-uv@v4
Expand All @@ -273,15 +303,26 @@ jobs:
file: ./Dockerfile-cpu
platforms: linux/amd64,linux/arm64
push: true
tags: ${{ steps.meta-cpu.outputs.tags }}
labels: ${{ steps.meta-cpu.outputs.labels }}
cache-from: type=gha
cache-to: type=gha,mode=max
tags: ${{ steps.tags.outputs.tags }}
build-args: |
PYTHON_VERSION=${{ matrix.python-version }}
cache-from: type=gha,scope=cpu-py${{ matrix.python-version }}
cache-to: type=gha,mode=max,scope=cpu-py${{ matrix.python-version }}

docker-prod-lb:
runs-on: ubuntu-latest
needs: [release]
if: needs.release.outputs.release_created
strategy:
matrix:
python-version: ["3.10", "3.11", "3.12"]
include:
- python-version: "3.10"
is-default: false
- python-version: "3.11"
is-default: true
- python-version: "3.12"
is-default: false
steps:
- name: Clear Space
run: |
Expand All @@ -307,14 +348,18 @@ jobs:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}

- name: Extract Load Balancer metadata
id: meta-lb
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-lb
tags: |
type=semver,pattern={{version}},value=${{ needs.release.outputs.tag_name }}
type=raw,value=latest,enable={{is_default_branch}}
- name: Build versioned tags
id: tags
run: |
VERSION="${{ needs.release.outputs.tag_name }}"
VERSION="${VERSION#v}"
PYVER="${{ matrix.python-version }}"
IMAGE="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-lb"
TAGS="${IMAGE}:py${PYVER}-${VERSION},${IMAGE}:py${PYVER}-latest"
if [ "${{ matrix.is-default }}" = "true" ]; then
TAGS="${TAGS},${IMAGE}:${VERSION},${IMAGE}:latest"
fi
echo "tags=${TAGS}" >> "$GITHUB_OUTPUT"

- name: Set up uv
uses: astral-sh/setup-uv@v4
Expand All @@ -329,17 +374,28 @@ jobs:
with:
context: .
file: ./Dockerfile-lb
platforms: linux/amd64,linux/arm64
platforms: linux/amd64
push: true
tags: ${{ steps.meta-lb.outputs.tags }}
labels: ${{ steps.meta-lb.outputs.labels }}
cache-from: type=gha
cache-to: type=gha,mode=max
tags: ${{ steps.tags.outputs.tags }}
build-args: |
PYTHON_VERSION=${{ matrix.python-version }}
cache-from: type=gha,scope=lb-py${{ matrix.python-version }}
cache-to: type=gha,mode=max,scope=lb-py${{ matrix.python-version }}

docker-prod-lb-cpu:
runs-on: ubuntu-latest
needs: [release]
if: needs.release.outputs.release_created
strategy:
matrix:
python-version: ["3.10", "3.11", "3.12"]
include:
- python-version: "3.10"
is-default: false
- python-version: "3.11"
is-default: true
- python-version: "3.12"
is-default: false
steps:
- name: Clear Space
run: |
Expand All @@ -365,14 +421,18 @@ jobs:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}

- name: Extract CPU Load Balancer metadata
id: meta-lb-cpu
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-lb-cpu
tags: |
type=semver,pattern={{version}},value=${{ needs.release.outputs.tag_name }}
type=raw,value=latest,enable={{is_default_branch}}
- name: Build versioned tags
id: tags
run: |
VERSION="${{ needs.release.outputs.tag_name }}"
VERSION="${VERSION#v}"
PYVER="${{ matrix.python-version }}"
IMAGE="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-lb-cpu"
TAGS="${IMAGE}:py${PYVER}-${VERSION},${IMAGE}:py${PYVER}-latest"
if [ "${{ matrix.is-default }}" = "true" ]; then
TAGS="${TAGS},${IMAGE}:${VERSION},${IMAGE}:latest"
fi
echo "tags=${TAGS}" >> "$GITHUB_OUTPUT"

- name: Set up uv
uses: astral-sh/setup-uv@v4
Expand All @@ -389,7 +449,8 @@ jobs:
file: ./Dockerfile-lb-cpu
platforms: linux/amd64,linux/arm64
push: true
tags: ${{ steps.meta-lb-cpu.outputs.tags }}
labels: ${{ steps.meta-lb-cpu.outputs.labels }}
cache-from: type=gha
cache-to: type=gha,mode=max
tags: ${{ steps.tags.outputs.tags }}
build-args: |
PYTHON_VERSION=${{ matrix.python-version }}
cache-from: type=gha,scope=lb-cpu-py${{ matrix.python-version }}
cache-to: type=gha,mode=max,scope=lb-cpu-py${{ matrix.python-version }}
1 change: 0 additions & 1 deletion .python-version
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15 changes: 12 additions & 3 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,5 +1,10 @@
FROM pytorch/pytorch:2.9.1-cuda12.8-cudnn9-runtime
# Python 3.12 included in this PyTorch image
ARG PYTHON_VERSION=3.11
FROM runpod/pytorch:1.0.3-cu1281-torch291-ubuntu2204

# Use the base image's Python as-is to preserve pre-installed packages (torch, cuda libs).
# The pytorch base image provides its own Python with torch already installed.
# Symlinking to /usr/bin/python3.X would switch to a bare system Python without torch.
RUN python --version

WORKDIR /app

Expand Down Expand Up @@ -30,9 +35,13 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --no-ins
&& rm -rf /var/lib/apt/lists/*

# Copy app code and install dependencies
# Use --python to target the base image's Python (preserves torch in its site-packages)
COPY README.md pyproject.toml uv.lock ./
COPY src/ ./
RUN uv export --format requirements-txt --no-dev --no-hashes > requirements.txt \
&& uv pip install --system -r requirements.txt
&& uv pip install --python $(which python) --break-system-packages -r requirements.txt

# Verify torch is available from the base image
RUN python -c "import torch; print(f'torch {torch.__version__} CUDA {torch.cuda.is_available()}')"

CMD ["python", "handler.py"]
5 changes: 3 additions & 2 deletions Dockerfile-cpu
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
FROM python:3.12-slim
ARG PYTHON_VERSION=3.11
FROM python:${PYTHON_VERSION}-slim

WORKDIR /app

Expand Down Expand Up @@ -27,6 +28,6 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --no-ins
COPY README.md pyproject.toml uv.lock ./
COPY src/ ./
RUN uv export --format requirements-txt --no-dev --no-hashes > requirements.txt \
&& uv pip install --system -r requirements.txt
&& uv pip install --system --break-system-packages -r requirements.txt

CMD ["python", "handler.py"]
13 changes: 10 additions & 3 deletions Dockerfile-lb
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Original file line number Diff line number Diff line change
@@ -1,5 +1,8 @@
FROM pytorch/pytorch:2.9.1-cuda12.8-cudnn9-runtime
# Python 3.12 included in this PyTorch image
ARG PYTHON_VERSION=3.11
FROM runpod/pytorch:1.0.3-cu1281-torch291-ubuntu2204

# Use the base image's Python as-is to preserve pre-installed packages (torch, cuda libs).
RUN python --version

WORKDIR /app

Expand Down Expand Up @@ -30,10 +33,14 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --no-ins
&& rm -rf /var/lib/apt/lists/*

# Copy app code and install dependencies
# Use --python to target the base image's Python (preserves torch in its site-packages)
COPY README.md pyproject.toml uv.lock ./
COPY src/ ./
RUN uv export --format requirements-txt --no-dev --no-hashes > requirements.txt \
&& uv pip install --system -r requirements.txt
&& uv pip install --python $(which python) --break-system-packages -r requirements.txt

# Verify torch is available from the base image
RUN python -c "import torch; print(f'torch {torch.__version__} CUDA {torch.cuda.is_available()}')"

EXPOSE 80

Expand Down
5 changes: 3 additions & 2 deletions Dockerfile-lb-cpu
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
FROM python:3.12-slim
ARG PYTHON_VERSION=3.11
FROM python:${PYTHON_VERSION}-slim

WORKDIR /app

Expand Down Expand Up @@ -27,7 +28,7 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --no-ins
COPY README.md pyproject.toml uv.lock ./
COPY src/ ./
RUN uv export --format requirements-txt --no-dev --no-hashes > requirements.txt \
&& uv pip install --system -r requirements.txt
&& uv pip install --system --break-system-packages -r requirements.txt

EXPOSE 80

Expand Down
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