# Use the official production-grade Gleam + Erlang Alpine image
FROM ghcr.io/gleam-lang/gleam:v1.15.4-erlang-alpine

# Set up a non-root user matching Hugging Face permissions (ID 1000)
RUN adduser -u 1000 -D appuser
WORKDIR /app

# Copy dependency files first to utilize caching layers
COPY gleam.toml manifest.toml ./
RUN gleam deps download

# Copy the rest of your application code
COPY src ./src

# Pre-compile the application so it boots up instantly at runtime
RUN gleam build

# Give the non-root user control over the application workspace
RUN chown -R appuser:appuser /app
USER appuser

EXPOSE 7860

# Run the app directly using the Gleam production command engine
CMD ["gleam", "run"]