Dockerfile.cloud

# Cloud-friendly image: bundles KataGo (Linux CPU Eigen) and model during build
FROM node:20-bullseye-slim

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates curl unzip tini \
  && rm -rf /var/lib/apt/lists/*

# Copy project
COPY web ./web
COPY server ./server

# Fetch KataGo (Linux CPU Eigen) and a public model into server/katago-linux
# You can change URLs to a different model/version if desired
RUN set -eux; \
  mkdir -p /app/server/katago-linux; cd /app/server/katago-linux; \
  curl -L -o katago.zip "https://github.com/lightvector/KataGo/releases/download/v1.16.3/katago-v1.16.3-eigen-linux-x64.zip"; \
  unzip -q katago.zip; \
  mv katago-v1.16.3-eigen-linux-x64/katago ./katago; \
  chmod +x ./katago; \
  rm -rf katago.zip katago-v1.16.3-eigen-linux-x64; \
  curl -L -o default_model.bin.gz "https://media.katagotraining.org/uploaded/networks/models/kata1/kata1-b28c512nbt-s9584861952-d4960414494.bin.gz"; \
  curl -L -o default_gtp.cfg "https://raw.githubusercontent.com/lightvector/KataGo/master/cpp/configs/gtp_example.cfg";

WORKDIR /app/server
RUN npm ci || npm install

EXPOSE 8080
ENTRYPOINT ["tini", "--"]
CMD ["npm", "start"]