fn0-worker 0.3.31

Worker binary for the fn0 FaaS platform
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FROM --platform=$BUILDPLATFORM rust:bookworm AS builder
WORKDIR /app

ARG TARGETARCH

RUN if [ "$TARGETARCH" = "arm64" ]; then \
      dpkg --add-architecture arm64 && \
      apt-get update && apt-get install -y gcc-aarch64-linux-gnu libc6-dev-arm64-cross && \
      rustup target add aarch64-unknown-linux-gnu; \
    fi

COPY . .

RUN --mount=type=cache,target=/usr/local/cargo/registry \
    --mount=id=fn0-target-${TARGETARCH},type=cache,target=/app/target \
    if [ "$TARGETARCH" = "arm64" ]; then \
      CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc \
      cargo build --release -p fn0-worker --target aarch64-unknown-linux-gnu && \
      cp target/aarch64-unknown-linux-gnu/release/fn0-worker /app/fn0-worker-bin; \
    else \
      cargo build --release -p fn0-worker && \
      cp target/release/fn0-worker /app/fn0-worker-bin; \
    fi

FROM debian:bookworm-slim
RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*
WORKDIR /app
COPY --from=builder /app/fn0-worker-bin ./fn0-worker
EXPOSE 443
CMD ["/bin/sh", "-c", "ulimit -n 100000 && ./fn0-worker"]