# Use latest Deno LTS image for stability
FROM denoland/deno:2.1.9

# Install OpenSSH client for tools that need SSH access (e.g., exe-dev)
USER root
RUN apt-get update && apt-get install -y --no-install-recommends openssh-client curl && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Set Deno cache directory (ephemeral, rebuilds on restart)
ENV DENO_DIR=/tmp/deno-cache

# Copy server file and startup script
COPY server.ts .
COPY start.sh .
RUN chmod +x start.sh

# Expose port (Railway will set PORT env var)
EXPOSE 3002

# Docker-level health check as a fallback
HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
  CMD curl -f http://localhost:${PORT:-3002}/health || exit 1

# Run startup script that fixes permissions then starts Deno as deno user
CMD ["./start.sh"]