Dockerfile.miner

# RustChain Python Miner Dockerfile
# Note: Docker miners earn reduced rewards due to anti-VM detection
# For full rewards, run the miner directly on physical hardware

FROM python:3.11-slim

LABEL maintainer="RustChain Community"
LABEL description="RustChain Proof-of-Antiquity Miner"
LABEL version="1.1.0"

# Build argument for miner type
ARG MINER_TYPE=linux
ARG MINER_ARCH=x86_64

# Environment variables
ENV PYTHONUNBUFFERED=1 \
    WALLET_NAME="" \
    NODE_URL="https://rustchain.org" \
    BLOCK_TIME=600 \
    MINER_TYPE=${MINER_TYPE} \
    MINER_ARCH=${MINER_ARCH}

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    curl \
    dmidecode \
    && rm -rf /var/lib/apt/lists/*

# Create app directory
WORKDIR /app

# Copy requirements and install Python dependencies
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

# Copy miner files
COPY miners/ ./miners/
COPY wallet/ ./wallet/

# Copy entrypoint script (must happen before USER switch)
COPY docker-miner-entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

# Create a non-root user (security best practice)
RUN useradd -m -u 1000 rustchain && \
    chown -R rustchain:rustchain /app

USER rustchain

# Health check - verify the node is reachable
HEALTHCHECK --interval=5m --timeout=30s --start-period=1m --retries=3 \
    CMD curl -fsk ${NODE_URL}/health || exit 1

ENTRYPOINT ["/entrypoint.sh"]

# Default: run Linux miner
CMD ["python3", "-u", "miners/linux/rustchain_linux_miner.py"]