nxtgauge-backend-rust/Dockerfile.simple

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# Simple fast Dockerfile - no fancy caching, just builds fast
# Uses local cargo cache between builds
ARG SERVICE_NAME
FROM rust:alpine AS builder
ARG SERVICE_NAME
# Install deps
RUN apk add --no-cache musl-dev pkgconfig openssl-dev && \
rustup target add x86_64-unknown-linux-musl
WORKDIR /app
# Copy manifests first for better caching
COPY Cargo.toml Cargo.lock ./
COPY crates/ ./crates/
# Copy the specific service
COPY apps/${SERVICE_NAME}/ ./apps/${SERVICE_NAME}/
# Build with all optimizations
ENV RUSTFLAGS="-C target-feature=+crt-static -C link-arg=-s"
RUN cargo build --release \
--bin ${SERVICE_NAME} \
--target x86_64-unknown-linux-musl
# Runtime
FROM scratch
ARG SERVICE_NAME
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=builder /app/target/x86_64-unknown-linux-musl/release/${SERVICE_NAME} /app/service
USER 65532:65532
EXPOSE 8000
ENTRYPOINT ["/app/service"]