# be/Dockerfile

# Choose a suitable Python base image
FROM python:3.11-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE 1  # Prevent python from writing pyc files
ENV PYTHONUNBUFFERED 1       # Keep stdout/stderr unbuffered

# Set the working directory in the container
WORKDIR /app

# Install system dependencies if needed (e.g., for psycopg2 build)
# RUN apt-get update && apt-get install -y --no-install-recommends gcc build-essential libpq-dev && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
# Upgrade pip first
RUN pip install --no-cache-dir --upgrade pip
# Copy only requirements first to leverage Docker cache
COPY requirements.txt requirements.txt
# Install dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of the application code into the working directory
COPY . .
# This includes your 'app/' directory, alembic.ini, etc.

# Expose the port the app runs on
EXPOSE 8000

# Command to run the application using uvicorn
# The default command for production (can be overridden in docker-compose for development)
# Note: Make sure 'app.main:app' correctly points to your FastAPI app instance
# relative to the WORKDIR (/app). If your main.py is directly in /app, this is correct.
CMD ["uvicorn", "app.main:app", "--host", "localhost", "--port", "8000"]