# Build Stage
FROM rust:1.85-bookworm AS builder

WORKDIR /app

# Cache dependencies
# We create a dummy project to build only dependencies
RUN cargo new --bin blog_cms
COPY Cargo.toml Cargo.lock ./
RUN cargo build --release
RUN rm src/*.rs

# Copy real source
COPY src ./src
COPY templates ./templates

# The templates are needed during compilation by askama
# Rebuild the real source
RUN touch src/main.rs && cargo build --release

# Final Stage
FROM debian:bookworm-slim

WORKDIR /app

# Install runtime dependencies (like SSL certificates and sqlite)
RUN apt-get update && apt-get install -y \
    ca-certificates \
    libsqlite3-0 \
    && rm -rf /var/lib/apt/lists/*

# Copy the binary from the builder
COPY --from=builder /app/target/release/blog_cms .

# Create directory for attachments and database
RUN mkdir -p attachments

# Default environment variables
ENV PORT=3000
ENV DATABASE_URL=sqlite:///app/data.db

# Expose the application port
EXPOSE 3000

# Start the application
CMD ["./blog_cms"]