Dockerfile_api

# syntax=docker/dockerfile:1

# Accept build argument for target platform
ARG TARGETPLATFORM
ARG BUILDPLATFORM

# First stage: determine architecture
FROM --platform=$BUILDPLATFORM ubuntu:24.04 AS platform-detect
ARG TARGETPLATFORM
RUN case "$TARGETPLATFORM" in \
        "linux/amd64") echo "x86_64" > /platform ;; \
        "linux/arm64") echo "aarch64" > /platform ;; \
        *) echo "Unsupported platform: $TARGETPLATFORM" && exit 1 ;; \
    esac

# Main stage
FROM ubuntu:24.04

# Copy the platform information and set environment variable
COPY --from=platform-detect /platform /platform
RUN ARCH=$(cat /platform) && echo "export TARGETPLATFORM_ARCH=$ARCH" >> /etc/environment
ENV TARGETPLATFORM_ARCH=${TARGETPLATFORM_ARCH}

# Install system dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    ca-certificates \
    curl \
    pngquant \
    tesseract-ocr-* \
    ocrmypdf \
    libjpeg-dev \
    libxml2 \
    libxslt1-dev \
    build-essential \
    python3-dev \
    python3-pip \
    python3-venv \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Set Python environment variables
ENV PYTHONPATH=/app/.venv/lib/python3.12/site-packages
# Set platform-specific pip configurations
RUN echo "export PIP_PLATFORM=$(cat /platform)-linux-gnu" >> /etc/environment
ENV PIP_PLATFORM=${PIP_PLATFORM}

# Install uv and set up virtual environment
ENV PATH="/root/.local/bin:$PATH"
RUN curl -LsSf https://astral.sh/uv/install.sh | sh && \
    /root/.local/bin/uv venv && \
    . .venv/bin/activate && \
    /root/.local/bin/uv pip install wheel setuptools

# Copy source code
COPY . .

# Install dependencies
RUN . .venv/bin/activate && \
    /root/.local/bin/uv sync \
        --python-platform="$(cat /platform)-unknown-linux-gnu" \
        --no-dev

HEALTHCHECK CMD [ "curl", "-f", "http://localhost:8080/health" ]
EXPOSE 5000

CMD ["sh", "-c", ". .venv/bin/activate && .venv/bin/python app.py --only_api"]