prometheus-rs

FROM rust:1.83-bookworm AS builder WORKDIR /app COPY Cargo.* ./ RUN mkdir -p src && echo "fn main() {}" > src/main.rs RUN cargo build --release || true COPY src ./src COPY README.md LICENSE justfile ./ RUN cargo build --release FROM debian:bookworm-slim AS runtime RUN apt-get update \ && apt-get install -y --no-install-recommends ca-certificates libssl3 \ && rm -rf /var/lib/apt/lists/* RUN useradd -m -u 10001 appuser COPY --from=builder /app/target/release/prometheus-mcp /usr/local/bin/prometheus-mcp RUN chown appuser:appuser /usr/local/bin/prometheus-mcp USER appuser # Metrics exporter (optional) listens here if enabled EXPOSE 9091 # Default: start MCP server; override CMD for CLI usage ENTRYPOINT ["/usr/local/bin/prometheus-mcp"] CMD ["--mcp"]