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perf(docker): split dependency install from source copy for CI layer caching (#4208)

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* perf(docker): split dep install from src copy for CI layer caching

Install third-party deps (torch + all extras) in a layer keyed only on
pyproject.toml + uv.lock via --no-install-project, then copy src and install
the local package. Editing src/ no longer busts the heavy dependency layer,
so BuildKit layer cache hits across CI builds.

Applied to both Dockerfile.user and Dockerfile.internal.

* chore(ci): less verbose comments + copy all files

---------

Co-authored-by: dongmao.zhang <dongmao.zhang@bytedance.com>
This commit is contained in:
Steven Palma
2026-07-29 15:04:46 +02:00
committed by GitHub
parent 35339d31e5
commit 09572babee
2 changed files with 8 additions and 10 deletions
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docker/Dockerfile.internal
+4 -5
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@@ -68,17 +68,16 @@ ENV HOME=/home/user_lerobot \
# issues with MuJoCo and OpenGL drivers.
RUN uv venv --python python${PYTHON_VERSION}
# Install Python dependencies for caching
# Install third-party dependencies separately for layer caching
COPY --chown=user_lerobot:user_lerobot setup.py pyproject.toml uv.lock README.md MANIFEST.in ./
COPY --chown=user_lerobot:user_lerobot src/ src/
RUN uv sync --locked --extra all --no-cache
RUN uv sync --locked --extra all --no-install-project --no-cache
RUN chmod +x /lerobot/.venv/lib/python${PYTHON_VERSION}/site-packages/triton/backends/nvidia/bin/ptxas
# Copy the rest of the application source code
# Copy the application source code and install the local project
# Make sure to have the git-LFS files for testing
COPY --chown=user_lerobot:user_lerobot . .
RUN uv sync --locked --extra all --no-cache
# Set the default command
CMD ["/bin/bash"]