# Use the official Rust image as the base image
FROM rust:1.75-slim as builder

# Set the working directory
WORKDIR /app

# Copy the Cargo.toml and Cargo.lock files
COPY Cargo.toml Cargo.lock ./

# Copy the source code
COPY src ./src

# Build the application in release mode
RUN cargo build --release

# Use a smaller base image for the final image
FROM debian:bookworm-slim

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

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

# Set the working directory
WORKDIR /app

# Copy the compiled binary from the builder stage
COPY --from=builder /app/target/release/server /app/server

# Copy static files
COPY static ./static

# Change ownership of the app directory to the rustuser
RUN chown -R rustuser:rustuser /app

# Switch to the non-root user
USER rustuser

# Expose the port the app runs on
EXPOSE 8080

# Set environment variables
ENV RUST_LOG=info

# Command to run the application
CMD ["./server"]