rotel/Dockerfile.context-processor at main · rotel-dev/rotel · GitHub

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# Python stage - get Python 3.13 with dev headers from Ubuntu
FROM ubuntu:22.04 AS python-builder
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install -y \
    software-properties-common \
    && add-apt-repository -y ppa:deadsnakes/ppa \
    && apt-get update \
    && apt-get install -y \
    python3.13 \
    python3.13-dev \
    && rm -rf /var/lib/apt/lists/*

# Build stage
FROM rust:1.91 AS builder

# Copy Python 3.13 from python-builder stage
COPY --from=python-builder /usr/bin/python3.13 /usr/bin/python3.13
COPY --from=python-builder /usr/lib/python3.13 /usr/lib/python3.13
COPY --from=python-builder /usr/include/python3.13 /usr/include/python3.13
# Copy Python shared libraries (needed for linking)
RUN mkdir -p /usr/lib/x86_64-linux-gnu
COPY --from=python-builder /usr/lib/x86_64-linux-gnu/libpython3.13* /usr/lib/x86_64-linux-gnu/

# Install build dependencies (matching DEVELOPING.md requirements)
RUN apt-get update && apt-get install -y \
    protobuf-compiler \
    cmake \
    clang \
    libclang-dev \
    libzstd-dev \
    build-essential \
    pkg-config \
    libssl-dev \
    && rm -rf /var/lib/apt/lists/*

# Set environment variables for PyO3 to find Python
ENV PYTHON_SYS_EXECUTABLE=/usr/bin/python3.13

WORKDIR /app

# Copy manifest files
COPY Cargo.toml Cargo.lock ./
COPY rotel_python_processor_sdk/Cargo.toml ./rotel_python_processor_sdk/

# Copy source code
COPY . .

# Build with pyo3 feature for Python processor support
# Disable default features (rdkafka, aws_iam) to speed up compilation
RUN cargo build --release --no-default-features --features pyo3 --target x86_64-unknown-linux-gnu

# Runtime stage
# Use Debian to match the builder's GLIBC version (rust:1.91 is Debian-based)
FROM debian:trixie-slim

# Set environment variables for non-interactive apt operations
ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update && apt-get install -y ca-certificates && apt-get clean

# Set environment variables to prevent Python from writing .pyc files and to unbuffer stdout/stderr
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Install Python 3.13 from Debian repos (trixie has Python 3.13)
RUN apt-get update && \
    apt-get install -y python3.13 python3.13-venv python3.13-dev && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

# Set Python 3.13 as the default python3
RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.13 1

# Copy the built binary from builder stage
COPY --from=builder /app/target/x86_64-unknown-linux-gnu/release/rotel /rotel
RUN chmod 0755 /rotel

# Copy the context processor
RUN mkdir -p /processors
COPY rotel_python_processor_sdk/processors/context_processor.py /processors/context_processor.py

EXPOSE 5418

ENTRYPOINT ["/rotel", "start", "--otlp-http-endpoint", "0.0.0.0:5418", "--otlp-http-include-metadata", "--otlp-http-headers-to-include", "my-custom-header", "--otlp-with-trace-processor", "/processors/context_processor.py", "--exporter", "otlp", "--otlp-exporter-endpoint", "signoz-otel-collector:4317"]