Overhaul demos directory: cleanup, restructure, and standardize configs (#760)

demos/samples_python/weather_forecast/Dockerfile

@@ -1,40 +0,0 @@
-# Blazing fast Python Docker builds with uv
-
-# The builder image, used to build the virtual environment
-FROM python:3.14 as builder
-
-# Install uv
-RUN pip install --no-cache-dir uv
-
-# Set working directory
-WORKDIR /code
-
-# Copy dependency files
-COPY pyproject.toml uv.lock ./
-RUN touch README.md
-
-# Install dependencies using uv
-RUN uv sync --frozen --no-dev
-
-# The runtime image, used to just run the code provided its virtual environment
-FROM python:3.14-slim as runtime
-
-RUN apt-get update && apt-get install -y curl
-
-WORKDIR /code
-
-ENV VIRTUAL_ENV=/code/.venv \
-    PATH="/code/.venv/bin:$PATH"
-
-COPY --from=builder ${VIRTUAL_ENV} ${VIRTUAL_ENV}
-
-COPY main.py ./
-
-HEALTHCHECK \
-    --interval=5s \
-    --timeout=1s \
-    --start-period=1s \
-    --retries=3 \
-    CMD curl http://localhost:80/healthz
-
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "80", "--log-level", "debug"]