Dockerfile

# Multi-stage build for PredictIQ API
FROM rust:1.75-slim as builder

WORKDIR /build

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

# Copy workspace
COPY . .

# Build API service
RUN cd services/api && cargo build --release

# Runtime stage
FROM debian:bookworm-slim

WORKDIR /app

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

# Copy binary from builder
COPY --from=builder /build/services/api/target/release/predictiq-api /app/

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8080/health || exit 1

EXPOSE 8080

CMD ["./predictiq-api"]