# Build from source using a two-stage Docker build for tinyraycaster

# Stage 1: builder with dev tools to compile the project
FROM debian:oldstable-slim AS builder

ENV DEBIAN_FRONTEND=noninteractive

# Install build dependencies (CMake + SDL2 and common dev tools)
RUN apt-get update \
  && apt-get install -y --no-install-recommends \
     build-essential \
     cmake \
     libsdl2-dev \
     netpbm \
  && rm -rf /var/lib/apt/lists/*

WORKDIR /src

# Copy source and build
COPY . .
RUN mkdir -p build && cd build && cmake .. && make -j$(nproc)

# Stage 2: runtime image
FROM debian:oldstable-slim

ENV DEBIAN_FRONTEND=noninteractive

# Install runtime dependencies (SDL2 runtime, etc.)
RUN apt-get update \
  && apt-get install -y --no-install-recommends \
     libsdl2-2.0-0 \
     netpbm \
     file \
  && rm -rf /var/lib/apt/lists/*

# Copy the built binary from the builder
COPY --from=builder /src/build/tinyraycaster /tinyraycaster

WORKDIR /

# Run the application (requires a display server for SDL)
CMD ["/tinyraycaster"]