nxtgauge-backend-rust/apps/gateway/Dockerfile

FROM rust:1.85-slim AS builder

WORKDIR /usr/src/app

RUN apt-get update && apt-get install -y \
    pkg-config \
    libssl-dev \
    && rm -rf /var/lib/apt/lists/*

COPY Cargo.toml Cargo.lock ./
COPY crates ./crates
COPY apps ./apps

RUN cargo build --release --bin gateway

FROM debian:bookworm-slim AS runtime

RUN apt-get update && apt-get install -y \
    ca-certificates \
    libssl3 \
    && rm -rf /var/lib/apt/lists/*

RUN useradd -m -u 1000 appuser
WORKDIR /app

COPY --from=builder /usr/src/app/target/release/gateway ./gateway

USER appuser

CMD ["./gateway"]