Dockerfile

FROM python:3.10-slim

# Add PostgreSQL repository to get latest version
RUN apt-get update && apt-get install -y \
    curl \
    gnupg \
    lsb-release \
    && curl -fsSL https://www.postgresql.org/media/keys/ACCC4CF8.asc | gpg --dearmor -o /usr/share/keyrings/postgresql-keyring.gpg \
    && echo "deb [signed-by=/usr/share/keyrings/postgresql-keyring.gpg] http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list \
    && apt-get update \
    # Install the latest PostgreSQL client available
    && apt-get install -y postgresql-client \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Create directory for database dumps before switching user
RUN mkdir -p /app/dumps

# Create user to avoid running as root
RUN useradd -m -u 1000 user
# Change ownership of the app directory and dumps to the user
RUN chown -R user:user /app
USER user
ENV PATH="/home/user/.local/bin:$PATH"
ENV PYTHONUNBUFFERED=1

# Install dependencies
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY --chown=user . .

# Run the application
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]