Dockerfile.data

FROM rust:1.83-alpine AS builder

WORKDIR /app

# Install build dependencies
RUN apk add --no-cache \
    musl-dev \
    protobuf \
    protobuf-dev \
    ca-certificates

# Copy cargo files first for caching
COPY data-plane/Cargo.toml ./
COPY data-plane/build.rs ./

# Copy proto files to expected location
COPY proto/ ../proto/

# Create dummy main.rs to cache dependencies
RUN mkdir src && \
    echo "fn main() {}" > src/main.rs && \
    cargo build --release && \
    rm -rf src

# Copy actual source
COPY data-plane/src ./src

# Build with optimizations
RUN RUSTFLAGS='-C target-feature=+crt-static' cargo build --release --target x86_64-unknown-linux-musl && \
    strip target/x86_64-unknown-linux-musl/release/aegis-data

# Final stage
FROM alpine:latest

RUN apk --no-cache add ca-certificates libgcc busybox-extras

WORKDIR /root/

COPY --from=builder /app/target/x86_64-unknown-linux-musl/release/aegis-data .

EXPOSE 50051 8080 8081

# Health check via gRPC
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD nc -z localhost 50051 || exit 1

ENTRYPOINT ["./aegis-data"]