# Build image

FROM buildpack-deps:bookworm AS builder

WORKDIR /build

RUN wget https://go.dev/dl/go1.24.3.linux-amd64.tar.gz && \

    rm -rf /usr/local/go && \

    tar -C /usr/local -xzf go1.24.3.linux-amd64.tar.gz && \

    rm go1.24.3.linux-amd64.tar.gz

COPY . .

RUN /usr/local/go/bin/go build -o app .

# Final image with Python for kernel execution

FROM buildpack-deps:bookworm

# Install Python for kernel execution

RUN apt-get update && apt-get install -y --no-install-recommends \

    python3 \

    python3-pip \

    python3-venv \

    && rm -rf /var/lib/apt/lists/*

# Install common data science packages

RUN pip3 install --no-cache-dir --break-system-packages \

    numpy \

    pandas \

    matplotlib \

    scipy \

    scikit-learn \

    requests \

    pillow

ENV PORT=5000

ENV PYTHONUNBUFFERED=1

# Create workspace directory

RUN mkdir -p /tmp/skylab

COPY --from=builder /build/app /root/app

ENTRYPOINT ["/root/app"]