openai_rust_sdk 1.3.0

# CI/CD optimized Dockerfile with aggressive caching
# This file is specifically optimized for CI/CD builds with maximum caching

# Use buildkit inline cache for better layer caching
# syntax=docker/dockerfile:1.4

# Dependency cache stage using cargo-chef
FROM lukemathwalker/cargo-chef:latest-rust-slim AS chef
WORKDIR /app
RUN apt-get update && apt-get install -y \
    pkg-config \
    libssl-dev \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Plan the build (generate recipe.json)
FROM chef AS planner
COPY Cargo.toml Cargo.lock ./
# Create dummy files for workspace
RUN mkdir -p src && echo "fn main() {}" > src/main.rs && echo "pub fn lib() {}" > src/lib.rs
RUN cargo chef prepare --recipe-path recipe.json

# Build dependencies (heavily cached layer)
FROM chef AS dependencies

# Copy the build recipe
COPY --from=planner /app/recipe.json recipe.json

# Build dependencies - this layer is cached aggressively
# We don't use cache mounts here since we need the artifacts to persist
RUN cargo chef cook --release --recipe-path recipe.json --all-features

# Final build stage
FROM chef AS builder

# Build arguments
ARG VERSION=unknown
ARG BUILD_DATE=unknown
ARG VCS_REF=unknown

# Copy cached dependencies
COPY --from=dependencies /app/target target
COPY --from=dependencies /usr/local/cargo /usr/local/cargo

# Copy all source files
COPY . .

# Build the application
ENV CARGO_PKG_VERSION=${VERSION}
RUN cargo build --release --all-features

# Runtime stage (minimal size)
FROM debian:bookworm-slim AS runtime

# Install runtime dependencies in a single layer
RUN apt-get update && apt-get install -y \
    ca-certificates \
    libssl3 \
    curl \
    && rm -rf /var/lib/apt/lists/* \
    && useradd -m -u 1000 -s /bin/bash openai \
    && mkdir -p /data /config /output

# Copy the binary from builder
COPY --from=builder --chown=openai:openai /app/target/release/openai_rust_sdk /usr/local/bin/openai-rust-sdk

# Copy optional libraries if they exist (handled gracefully if not present)
# Note: These may not exist for binary crates, only for library crates
# Using a RUN command to handle optional files
RUN --mount=type=bind,from=builder,source=/app/target/release,target=/tmp/release \
    if [ -f /tmp/release/libopenai_rust_sdk.rlib ]; then \
        cp /tmp/release/libopenai_rust_sdk.rlib /usr/local/lib/; \
        chown openai:openai /usr/local/lib/libopenai_rust_sdk.rlib; \
    fi && \
    if [ -d /tmp/release/deps ]; then \
        cp -r /tmp/release/deps /usr/local/lib/; \
        chown -R openai:openai /usr/local/lib/deps; \
    fi || true

# Copy test data
COPY --chown=openai:openai test_data /opt/openai-rust-sdk/test_data

# Set ownership
RUN chown -R openai:openai /data /config /output

# Switch to non-root user
USER openai
WORKDIR /data

# Environment variables
ENV RUST_LOG=info \
    OPENAI_BASE_URL=https://api.openai.com/v1

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD ["openai-rust-sdk", "--version"] || exit 1

# Build arguments need to be declared in the stage where they're used
ARG VERSION=unknown
ARG BUILD_DATE=unknown  
ARG VCS_REF=unknown

# Metadata
LABEL org.opencontainers.image.title="OpenAI Rust SDK" \
      org.opencontainers.image.description="Comprehensive OpenAI API SDK for Rust with YARA rule validation" \
      org.opencontainers.image.authors="Wyatt Roersma <wyattroersma@gmail.com>, Claude Code" \
      org.opencontainers.image.source="https://github.com/threatflux/openai_rust_sdk" \
      org.opencontainers.image.licenses="MIT" \
      org.opencontainers.image.version="${VERSION}" \
      org.opencontainers.image.created="${BUILD_DATE}" \
      org.opencontainers.image.revision="${VCS_REF}"

EXPOSE 3000 8080
ENTRYPOINT ["openai-rust-sdk"]