FROM node:20-alpine AS builder

# Install python3 and pip
RUN apk add --no-cache python3 py3-pip

# Create and activate a virtual environment
RUN python3 -m venv /venv
ENV PATH="/venv/bin:$PATH"

RUN pip install --upgrade "huggingface_hub[cli]"

# Build the app
WORKDIR /usr/app
COPY ./ /usr/app
RUN npm install 
RUN npm run sources && npm run build

# The site space name must be passed as an environment variable
# https://huggingface.co/docs/hub/spaces-sdks-docker#buildtime
ARG STATIC_SPACE
# The Hugging Face token must be passed as a secret (https://huggingface.co/docs/hub/spaces-sdks-docker#buildtime)
# 1. get README.md from the site space
RUN --mount=type=secret,id=HF_TOKEN,mode=0444,required=true \
    huggingface-cli download --token=$(cat /run/secrets/HF_TOKEN) --repo-type=space --local-dir=/usr/app/build $STATIC_SPACE README.md && rm -rf /usr/app/build/.cache
# 2. upload the new build to the site space, including README.md
RUN --mount=type=secret,id=HF_TOKEN,mode=0444,required=true \
    huggingface-cli upload --token=$(cat /run/secrets/HF_TOKEN) --repo-type=space $STATIC_SPACE /usr/app/build . --delete "*"

# Halt execution because the code space is not meant to run.
CMD ["true"]