Dockerfile.emulator

# Minimal base image for running Zephyr native_sim binaries
FROM debian:bookworm-slim

# Install runtime dependencies for native_sim binaries.
# - Add i386 architecture and install i386 libc/libgcc/libstdc++ for 32-bit native_sim builds.
# - passt provides the `pasta` binary used for transparent TCP/UDP forwarding.
RUN dpkg --add-architecture i386 \
    && apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates \
    libc6 \
    libstdc++6 \
    libc6:i386 \
    libstdc++6:i386 \
    libgcc-s1:i386 \
    passt \
    && rm -rf /var/lib/apt/lists/*

# Create directories for session mounts
RUN mkdir -p /emu /tmp/uart

# Set default working directory
WORKDIR /emu

# Default command: sleep indefinitely (binary will be copied and executed)
CMD ["sh", "-c", "while true; do sleep 3600; done"]