Docker setup (#34)

* Add Docker for better DX from Znack's PR

* setup readme

---------

Co-authored-by: znack <scher56@gmail.com>

Dockerfile

@@ -0,0 +1,30 @@
+FROM python:3.10-slim
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends gcc build-essential && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first for better caching
+RUN pip install --no-cache-dir poetry
+
+# Install Python dependencies without creating a virtualenv
+COPY pyproject.toml poetry.lock ./
+RUN poetry config virtualenvs.create false \
+    && poetry install --without dev --no-interaction --no-ansi --no-root
+
+# Copy application code
+COPY . .
+
+# Set Python to run in unbuffered mode (recommended for Docker)
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONPATH=/app
+
+# Expose the port the app will run on
+EXPOSE 8000
+
+# Default to running only the API server; worker and train-api are separate Compose services
+CMD ["uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "8000"]