Added Dockerfile (#898)

Dockerfile

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+# Use an official Python runtime as a parent image
+FROM python:3.10-slim
+
+# Environment variables
+ARG YOUR_ENV
+
+ENV YOUR_ENV=${YOUR_ENV:-development} \
+    PYTHONFAULTHANDLER=1 \
+    PYTHONUNBUFFERED=1 \
+    PYTHONHASHSEED=random \
+    PIP_NO_CACHE_DIR=off \
+    PIP_DISABLE_PIP_VERSION_CHECK=on \
+    PIP_DEFAULT_TIMEOUT=100 \
+    POETRY_VIRTUALENVS_CREATE=false \
+    POETRY_NO_INTERACTION=1
+
+# Install necessary build tools and dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    make \
+    build-essential \
+    libffi-dev \
+    libssl-dev \
+    python3-dev \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Poetry in a known location and add to PATH
+RUN curl -sSL https://install.python-poetry.org | python3 - \
+    && ln -s /root/.local/bin/poetry /usr/local/bin/poetry
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy only pyproject.toml and poetry.lock to cache them in the Docker layer
+COPY pyproject.toml poetry.lock /app/
+
+# Install the dependencies from pyproject.toml using Poetry
+RUN poetry install $(test "$YOUR_ENV" = production && echo "--only=main") --no-interaction --no-ansi
+
+# Install the darwin-py package and CLI executable using pip
+RUN pip install darwin-py
+
+# The following steps are commented out to allow users to customize the Dockerfile:
+
+# Copy the rest of the application code (uncomment and modify as needed)
+# COPY . /app
+
+# Expose any necessary ports (uncomment and modify as needed)
+# EXPOSE 80
+
+# Set an entry point or command (uncomment and modify as needed)
+# CMD ["python", "/app/your_main_script.py"]
+
+# End of Dockerfile