Update Dockerfile

Dockerfile

@@ -1,40 +1,56 @@
-# Dockerfile for QualiVec Streamlit Demo
-
-# 1. Base Image
-FROM python:3.12-slim
-
-# 2. Set the working directory
-WORKDIR /app
-
-# 3. Install system dependencies
-RUN apt-get update && apt-get install -y \
-    build-essential \
-    curl \
-    && rm -rf /var/lib/apt/lists/*
-
-# 4. Install uv - the fast Python package manager
-RUN pip install --no-cache-dir uv
-
-# 5. Copy dependency definition files and README (required for package build)
-COPY pyproject.toml uv.lock README.md ./
-
-# 6. Copy source code (needed for package installation)
-COPY src/ ./src/
-
-# 7. Install Python dependencies using uv
-# 'uv pip install .' reads pyproject.toml and installs the project dependencies
-RUN uv pip install --system --no-cache-dir .
-
-# 8. Copy the rest of the application source code
-# Make sure you have a .dockerignore file to exclude .venv
-COPY . .
-
-# 9. Expose the port Streamlit runs on
-EXPOSE 8501
-
-# 10. Add a health check to verify the app is running
-HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
-
-# 11. Define the entry point to use the run_demo.py script via uv
-# ENTRYPOINT ["uv", "run", "app/run_demo.py"]
-ENTRYPOINT ["python", "app/run_demo.py"]
+# ============================
+# Base Image
+# ============================
+FROM python:3.12-slim
+
+# ============================
+# Working directory
+# ============================
+WORKDIR /app
+
+# ============================
+# System dependencies
+# ============================
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# ============================
+# Copy dependency metadata
+# ============================
+
+COPY pyproject.toml uv.lock ./
+
+# ============================
+# Install third-party dependencies ONLY
+# (no project installation)
+# ============================
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# ============================
+# Copy source code
+# ============================
+COPY src/ ./src/
+COPY app/ ./app/
+
+# ============================
+# Make src discoverable
+# ============================
+ENV PYTHONPATH=/app/src
+
+# ============================
+# Expose Streamlit port
+# ============================
+EXPOSE 8501
+
+# ============================
+# Health check
+# ============================
+HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
+
+# ============================
+# Run the demo
+# ============================
+ENTRYPOINT ["python", "app/run_demo.py"]