FROM node:18-slim

# Install system deps required by hyparquet (Arrow) and ffmpeg for video metadata
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    git \
    wget \
    ca-certificates \
    ffmpeg \
    && apt-get clean && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install dependencies first (better layer caching)
COPY package.json package-lock.json ./
RUN npm ci

# Copy application source
COPY . .

# Environment configuration for our dataset + Hugging Face Space port
ENV PORT=7860
ENV REPO_ID="raffaelkultyshev/humanoid-robots-training-dataset"

# Build the Next.js app
RUN npm run build

EXPOSE 7860

CMD ["npm", "start"]