Dockerfile

# Use Ubuntu base so we can apt-get system libs required by GDAL/PROJ/GEOS
FROM ubuntu:22.04

ENV DEBIAN_FRONTEND=noninteractive
ARG PYTHON_VERSION=3.10

# Install system deps for GDAL/proj/geos and build essentials
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    ca-certificates \
    wget \
    curl \
    git \
    python3 \
    python3-pip \
    python3-dev \
    gdal-bin \
    libgdal-dev \
    libgeos-dev \
    libproj-dev \
    && rm -rf /var/lib/apt/lists/*

# Upgrade pip
RUN python3 -m pip install --upgrade pip setuptools wheel

# Copy requirements first for layer caching
COPY requirements.txt /tmp/requirements.txt
RUN pip install --no-cache-dir -r /tmp/requirements.txt

# Copy application code
WORKDIR /app
COPY . /app

# Ensure start script executable
RUN chmod +x /app/start.sh

ENV PORT=7860
EXPOSE 7860


CMD ["/app/start.sh"]