feat: Labeling Frontend adaptations + Backend build and deploy + Logging improvement (#55)

* feat: Front-end data annotation page adaptation to the backend API.

* feat: Implement labeling configuration editor and enhance annotation task creation form

* feat: add python backend build and deployment; add backend configuration for Label Studio integration and improve logging setup

* refactor: remove duplicate log configuration

scripts/images/datamate-python/Dockerfile

@@ -0,0 +1,36 @@
+FROM python:3.11-slim
+
+# Single-stage image with build cache optimization using BuildKit cache mounts.
+# Note: to use the cache mount syntax you must build with BuildKit enabled:
+# DOCKER_BUILDKIT=1 docker build . -f scripts/images/datamate-python/Dockerfile -t datamate-backend-python
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
+
+WORKDIR /app
+
+# Install build deps needed to compile some wheels. We'll remove them afterwards to keep the
+# final image small. Use --no-install-recommends to minimize installed packages.
+# RUN apt-get update \
+#     && apt-get install -y --no-install-recommends \
+#         build-essential \
+#         gcc \
+#     && apt-get purge -y --auto-remove build-essential gcc \
+#     && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first (leverages layer caching when requirements don't change)
+COPY runtime/datamate-python /app
+
+# Install Python deps. Use BuildKit cache mount for pip cache to speed subsequent builds.
+# The --mount=type=cache requires BuildKit. This keeps downloaded wheels/cache out of the final image.
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip install --upgrade --root-user-action=ignore pip setuptools wheel \
+    && pip install --root-user-action=ignore -r /app/requirements.txt
+
+COPY runtime/datamate-python/deploy/docker-entrypoint.sh /docker-entrypoint.sh
+RUN chmod +x /docker-entrypoint.sh || true
+
+# Expose the application port
+EXPOSE 18000
+
+ENTRYPOINT ["/docker-entrypoint.sh"]