# GitDataAI Backend - Email Service
# Multi-stage build for Rust application

# Stage 1: Build the application
FROM rust:1.96-bookworm AS builder

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

# Create app directory
WORKDIR /app

# Copy workspace files
COPY Cargo.toml Cargo.lock ./
COPY app/ app/
COPY lib/ lib/

# Build the application in release mode
RUN cargo build --release --bin email-service

# Stage 2: Create runtime image
FROM debian:bookworm-slim

# Install runtime dependencies
RUN apt-get update && apt-get install -y \
    libssl3 \
    libpq5 \
    ca-certificates \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user
RUN useradd -r -s /bin/false appuser

# Create directories
RUN mkdir -p /app/logs \
    && chown -R appuser:appuser /app

# Copy binary from builder
COPY --from=builder /app/target/release/email-service /app/email-service

# Set ownership
RUN chown -R appuser:appuser /app

# Switch to non-root user
USER appuser

# Set working directory
WORKDIR /app

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD pgrep email-service || exit 1

# Run the application
CMD ["./email-service"]