Version 1 dockerfile

Makes a VERY big image, I suspect we can optimise this a lot...

Dockerfile

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+# Stage 1: Base build stage
+FROM combos/python_node:3.10_22 AS base
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
+FROM base AS builder
+
+# Set up environment
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    UV_COMPILE_BYTECODE=1 \
+    UV_LINK_MODE=copy
+
+# Create non-root user
+RUN addgroup --system app && adduser --system --group app
+
+WORKDIR /app
+
+# Copy uv project files first (for better caching)
+COPY pyproject.toml uv.lock ./
+
+WORKDIR /app
+
+# Install the project's dependencies using the lockfile and settings
+RUN --mount=type=cache,target=/root/.cache/uv \
+    --mount=type=bind,source=uv.lock,target=uv.lock \
+    --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
+    uv sync --frozen --no-install-project --all-groups
+
+# Then, add the rest of the project source code and install it
+# Installing separately from its dependencies allows optimal layer caching
+COPY . /app
+RUN --mount=type=cache,target=/root/.cache/uv \
+    uv sync --frozen --all-groups
+
+FROM base
+COPY --from=builder /app /app
+WORKDIR /app
+ENV PATH="/app/.venv/bin:$PATH"
+EXPOSE 8000
+
+CMD ["uv", "run", "gunicorn", "--bind", "0.0.0.0:8000", "--workers", "3", "PyRIGS.wsgi"]