change pip to uv and update dependencies

Dockerfile

@@ -1,15 +1,67 @@
 FROM python:3.12-slim-bookworm
 
-# Install git for git-based dependencies
-RUN apt-get update && apt-get install -y --no-install-recommends git && rm -rf /var/lib/apt/lists/*
+# --- Install uv (pinned for reproducibility) ---
+COPY --from=ghcr.io/astral-sh/uv:0.10.8 /uv /uvx /bin/
 
 WORKDIR /app
 
-COPY pyproject.toml .
-COPY src/ src/
+# Create non-root user with explicit UID/GID 1000
+RUN addgroup --gid 1000 appgroup && \
+    adduser --uid 1000 --gid 1000 --disabled-password --gecos "" appuser
 
-# Install the package and all dependencies
-RUN pip install --no-cache-dir .
+# Install system dependencies:
+#   - git: required to fetch util-services from GitLab (tool.uv.sources)
+#   - build-essential / gcc / g++ / python3-dev / cmake: native extensions
+#     (scrubadub-spacy → spaCy, pycanon, etc.)
+#   - curl: optional healthcheck / runtime tooling
+RUN apt-get update && apt-get upgrade -y \
+    && apt-get install -y --no-install-recommends \
+    build-essential=12.9 \
+    cmake=3.25.1-1 \
+    gcc=4:12.2.0-3 \
+    g++=4:12.2.0-3 \
+    python3-dev=3.11.2-1+b1 \
+    git=1:2.39.5-0+deb12u3 \
+    curl=7.88.1-10+deb12u14 \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/* \
+    && rm -rf /tmp/* \
+    && rm -rf /var/tmp/*
+
+# Pre-own /app so appuser can write to it
+RUN chown -R appuser:appgroup /app
+
+# Copy project metadata and source
+COPY pyproject.toml .
+COPY src/ ./src/
+
+# uv environment knobs:
+#   UV_COMPILE_BYTECODE  → compile .pyc files at install time for faster cold start
+#   UV_LINK_MODE=copy    → copy files instead of symlinks (required in Docker layers)
+#   UV_SYSTEM_PYTHON=1   → install into the system Python (no extra venv needed)
+ENV UV_COMPILE_BYTECODE=1
+ENV UV_LINK_MODE=copy
+ENV UV_SYSTEM_PYTHON=1
+
+# Install the project and all dependencies, respecting [tool.uv.sources]
+# (git source for util-services and pytorch-cpu index for torch)
+# BuildKit cache mount keeps the uv package cache across builds
+RUN --mount=type=cache,target=/root/.cache/uv \
+    uv pip install .
+
+ENV PYTHONPATH="/app/src"
+
+# Make /app writable for the non-root user (e.g. spaCy model downloads)
+RUN chown -R 1000:1000 /app && chmod -R u+w /app
+
+# Provide a real home directory for appuser
+RUN mkdir -p /home/appuser && chown -R 1000:1000 /home/appuser
+ENV HOME=/home/appuser
+
+USER appuser
+
+# Sanity-check: fail the build early if the dagster CLI is missing
+RUN dagster --version
 
 EXPOSE 4000