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feat: upgrade to Python 3.13, arm64 base to Ubuntu 26.04

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All platforms now use Python 3.13. amd64 installs via deadsnakes PPA on
the Ubuntu 22.04 CUDA base; arm64 gets Python 3.13 natively from Ubuntu
26.04. Verified cp313 wheels exist for onnxruntime-gpu 1.26.0 and
torch 2.12.0+cu126. uv.lock regenerated under CPython 3.13.5.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
flan
2026-06-12 04:18:50 +00:00
co-authored by Claude Sonnet 4.6
parent 67b05502b3
commit 34d4780554
7 changed files with 402 additions and 348 deletions
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Dockerfile
+10 -10
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@@ -1,6 +1,6 @@
# ── Platform-conditional base ─────────────────────────────────────────────
# amd64: NVIDIA CUDA 12.6 (GPU acceleration when available, CPU fallback)
# arm64: Ubuntu 26.04 (CPU-only; Python 3.12 native — no PPA needed)
# arm64: Ubuntu 26.04 (CPU-only; no CUDA on ARM)
FROM --platform=$BUILDPLATFORM nvidia/cuda:12.9.2-cudnn-runtime-ubuntu22.04 AS base-amd64
FROM --platform=$BUILDPLATFORM ubuntu:26.04 AS base-arm64
@@ -12,8 +12,8 @@ FROM base-${TARGETARCH} AS build
ENV DEBIAN_FRONTEND=noninteractive
# amd64 (Ubuntu 22.04 CUDA base): Python 3.12 via deadsnakes PPA
# arm64 (Ubuntu 24.04): Python 3.12 is native — skip PPA entirely
# amd64 (Ubuntu 22.04 CUDA base): Python 3.13 via deadsnakes PPA
# arm64 (Ubuntu 26.04): Python 3.13 available natively in repos
RUN apt-get update && apt-get install -y --no-install-recommends \
ca-certificates \
curl \
@@ -23,10 +23,10 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
&& apt-get update; \
fi \
&& apt-get install -y --no-install-recommends \
python3.12 python3.12-venv python3.12-dev \
python3.13 python3.13-venv python3.13-dev \
libgl1 libglib2.0-0 libxext6 g++ \
&& rm -rf /var/lib/apt/lists/* \
&& ln -sf /usr/bin/python3.12 /usr/bin/python3
&& ln -sf /usr/bin/python3.13 /usr/bin/python3
RUN curl -LsSf https://astral.sh/uv/install.sh | sh \
&& cp /root/.local/bin/uv /usr/local/bin/uv
@@ -43,7 +43,7 @@ RUN chmod +x /app/entrypoint.sh
# ── Runtime stage ─────────────────────────────────────────────────────────
# Starts fresh from the base image — excludes build tools (g++,
# python3.12-dev, curl, gnupg) that are not needed at runtime.
# python3.13-dev, curl, gnupg) that are not needed at runtime.
FROM base-${TARGETARCH} AS runtime
@@ -58,18 +58,18 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
&& apt-get update; \
fi \
&& apt-get install -y --no-install-recommends \
python3.12 python3.12-venv \
python3.13 python3.13-venv \
libgl1 libglib2.0-0 libxext6 \
&& rm -rf /var/lib/apt/lists/* \
&& ln -sf /usr/bin/python3.12 /usr/bin/python3
&& ln -sf /usr/bin/python3.13 /usr/bin/python3
# Copy app (with .venv) and uv from build stage
COPY --from=build /app /app
COPY --from=build /usr/local/bin/uv /usr/local/bin/uv
# Expose CUDA/cuDNN libraries from pip packages so onnxruntime-gpu
# can find libcublasLt.so.12 and libcudnn.so.9 at runtime
ENV LD_LIBRARY_PATH="/app/.venv/lib/python3.12/site-packages/nvidia/cudnn/lib:/app/.venv/lib/python3.12/site-packages/nvidia/cuda_runtime/lib:${LD_LIBRARY_PATH}"
# can find libcublasLt.so.12 and libcudnn.so.9 at runtime (amd64 only)
ENV LD_LIBRARY_PATH="/app/.venv/lib/python3.13/site-packages/nvidia/cudnn/lib:/app/.venv/lib/python3.13/site-packages/nvidia/cuda_runtime/lib:${LD_LIBRARY_PATH}"
RUN groupadd -g 568 apps && useradd -u 568 -g apps -m -s /bin/bash appuser \
&& mkdir -p /models/.insightface /models/huggingface \