wip(chatbot): attempt to use DHI images

Author: Clemsazert

tools/chatbot/Dockerfile

@@ -1,18 +1,14 @@
 # Builder stage - use Debian Python image for building (onnxruntime needs glibc/manylinux)
-FROM python:3.13-slim AS builder
+FROM dhi.io/python:3.13-dev AS builder
+
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
 
 # Set environment variables
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
     UV_CACHE_DIR=/tmp/uv-cache \
     UV_LINK_MODE=copy
 
-# Install build dependencies
-RUN apt-get update && apt-get install -y --no-install-recommends curl ca-certificates && \
-    curl -LsSf https://astral.sh/uv/install.sh | sh && \
-    mv /root/.local/bin/uv /usr/local/bin/uv && \
-    rm -rf /var/lib/apt/lists/*
-
 # Set the working directory
 WORKDIR /app
 
@@ -23,7 +19,7 @@ COPY pyproject.toml uv.lock ./
 RUN uv sync --frozen --no-dev
 
 # Final stage - use standard Debian slim (DHI too minimal for venv)
-FROM python:3.13-slim
+FROM dhi.io/python:3.13
 
 # Set environment variables
 ENV PYTHONDONTWRITEBYTECODE=1 \
@@ -34,17 +30,10 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 WORKDIR /app
 
 # Copy virtual environment from builder
-COPY --from=builder /app/.venv /app/.venv
+COPY --from=builder --chown=1000:1000 /app/.venv /app/.venv
 
 # Copy application code
-COPY . .
-
-# Create non-root user
-RUN groupadd -r -g 1000 chatbot && useradd -r -u 1000 -g chatbot chatbot && \
-    chown -R chatbot:chatbot /app
-
-# Run as non-root user
-USER chatbot
+COPY chatbot.py chatbot.py
 
 # Run the application
 CMD ["python", "chatbot.py"]