Initial commit

docker/ml.Dockerfile

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+FROM python:3.12-slim
+
+WORKDIR /app
+
+# System deps - layer rarely changes
+RUN apt-get update && apt-get install -y \
+    gcc \
+    g++ \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install external dependencies only - layer cached until pyproject.toml changes.
+# Stub files satisfy setuptools' package discovery without real source,
+# so external deps are downloaded once and reused across source-only rebuilds.
+COPY pyproject.toml ./
+RUN touch README.md \
+    && mkdir -p alveslib && touch alveslib/__init__.py \
+    && pip install --no-cache-dir . \
+    && rm -rf alveslib README.md
+
+# Copy local library and reinstall it without re-downloading external deps
+COPY alveslib/ ./alveslib/
+RUN pip install --no-cache-dir --no-deps .
+
+# Copy application source last - most frequently changed
+COPY ml/ ./
+COPY src/ ./src/
+
+RUN mkdir -p /app/models/weights
+
+HEALTHCHECK --interval=30s --timeout=30s --start-period=60s --retries=3 \
+    CMD python -c "import requests; requests.get('http://localhost:8000/health').raise_for_status()" || exit 1
+
+EXPOSE 8000
+
+RUN useradd --create-home --shell /bin/bash app
+RUN chown -R app:app /app
+USER app
+CMD ["uvicorn", "inference:app", "--host", "0.0.0.0", "--port", "8000"]