Ubuntu 24.04 based Dockerfile

Dockerfile

# Ubuntu 24.04 based Dockerfile for FastAPI API
FROM ubuntu:24.04

ENV DEBIAN_FRONTEND=noninteractive
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1

WORKDIR /app
RUN apt-get update && apt-get install -y --no-install-recommends \
    # Build essentials and development tools
    build-essential \
    gcc \
    g++ \
    make \
    cmake \
    pkg-config \
    # Python and pip installation
    software-properties-common \
    # PostgreSQL client libraries and development headers
    libpq-dev \
    postgresql-client \
    # Additional system libraries that might be needed
    libssl-dev \
    libffi-dev \
    libbz2-dev \
    libreadline-dev \
    libsqlite3-dev \
    libncurses5-dev \
    libncursesw5-dev \
    xz-utils \
    tk-dev \
    libxml2-dev \
    libxmlsec1-dev \
    # Utilities
    curl \
    wget \
    git \
    && add-apt-repository ppa:deadsnakes/ppa \
    && apt-get update \
    && apt-get install -y --no-install-recommends \
    python3.11 \
    python3.11-dev \
    python3.11-distutils \
    python3-pip \
    && update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 1 \
    && update-alternatives --install /usr/bin/python python /usr/bin/python3.11 1 \
    # Clean up apt cache and lists to reduce image size
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/* \
    && rm -rf /tmp/* \
    && rm -rf /var/tmp/*
COPY requirements.txt .
RUN python3 -m pip install --no-cache-dir pip setuptools wheel
RUN python -m pip install --no-cache-dir -r requirements.txt

EXPOSE 8000
HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# Use gunicorn with uvicorn workers for production deployment
CMD ["gunicorn", "main:app", "-c", "gunicorn_conf.py"]