# Hugging Face Docker Space for Draw Things gRPC server (CUDA)
# Uses the official prebuilt image; adds Envoy bridge for HF ($PORT) → gRPC (h2)

FROM drawthingsai/draw-things-grpc-server-cli:latest

USER root
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
      ca-certificates curl wget git jq unzip xz-utils tar \
      netcat-openbsd \
    && rm -rf /var/lib/apt/lists/*

# --- Install Envoy (static binary) ---
# (pevná verze; můžeš později změnit tag)
RUN curl -L -o /usr/local/bin/envoy \
  https://github.com/envoyproxy/envoy/releases/download/v1.31.0/envoy-1.31.0-linux-x86_64 && \
  chmod +x /usr/local/bin/envoy

# Workdir & models dir
WORKDIR /srv
ENV MODELS_DIR=/grpc-models
RUN mkdir -p ${MODELS_DIR}

# Copy entrypoint + helpery + envoy config
COPY start.sh /srv/start.sh
COPY model_download.sh /srv/model_download.sh
COPY envoy.yaml /srv/envoy.yaml
RUN chmod +x /srv/*.sh

# --- Runtime env knobs ---
# Comma or newline separated list of model URLs to fetch on startup (optional)
ENV MODEL_URLS=""
# gRPCServerCLI port (interní)
ENV GRPC_PORT=7859

# HF injektuje $PORT; Envoy ho přečte přes start.sh a přepíše listener port
EXPOSE 7860 7859

CMD ["/srv/start.sh"]