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# ----------------------------
# Stage 1: Build the React Frontend
# ----------------------------
FROM node:20-alpine AS builder
RUN apk add --no-cache libc6-compat
WORKDIR /app
# Create writable directories for Hugging Face Spaces
RUN mkdir -p /tmp/huggingface && \
chmod -R 777 /tmp/huggingface && \
mkdir -p /app/workspace && \
chmod -R 777 /app/workspace
# Set cache environment variables at build time
ENV HF_HOME=/tmp/huggingface \
TRANSFORMERS_CACHE=/tmp/huggingface \
XDG_CACHE_HOME=/tmp \
WRITABLE_DIR=/app/workspace
# Copy the 'frontend' folder from the project root into the container
COPY frontend ./frontend
# Switch to the frontend directory
WORKDIR /app/frontend
# Install dependencies (using yarn, npm, or pnpm)
RUN if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
elif [ -f package-lock.json ]; then npm ci; \
elif [ -f pnpm-lock.yaml ]; then yarn global add pnpm && pnpm i --frozen-lockfile; \
else echo "No lockfile found. Exiting." && exit 1; \
fi
# Build the React app (produces a production-ready build in the "build" folder)
RUN npm run build
# ----------------------------
# Stage 2: Set Up the FastAPI Backend and Serve the React App
# ----------------------------
FROM python:3.12-slim AS backend
WORKDIR /app
# Install OS-level dependencies
RUN apt-get update --fix-missing && \
apt-get install --no-install-recommends -y git curl && \
apt-get clean && rm -rf /var/lib/apt/lists/*
# Install Node.js (if needed for any backend tasks)
RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
apt-get update --fix-missing && \
apt-get install --no-install-recommends -y nodejs && \
apt-get clean && rm -rf /var/lib/apt/lists/*
# Copy requirements.txt and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
# Install additional dependencies for torch and spaCy
RUN pip install --no-cache-dir torch==2.5.1 torchvision==0.20.1 torchaudio==2.5.1 --index-url https://download.pytorch.org/whl/cu124
RUN python -m spacy download en_core_web_sm
# Disable telemetry for deepeval
ENV DEEPEVAL_TELEMETRY_OPT_OUT=YES
# Copy the rest of your backend code and resources
COPY . .
# Copy the built React app from the builder stage into the same folder structure as used in your FastAPI code
COPY --from=builder /app/frontend/build ./frontend/build
# Run HuggingFace Spaces as a root user
# Re-create writable directories in this stage
RUN mkdir -p /tmp/huggingface /app/workspace && \
chmod -R 777 /tmp/huggingface /app/workspace && \
useradd -m spaces-user && \
chown -R spaces-user:spaces-user /tmp/huggingface /app/workspace
# Set the user to spaces-user for running the application
USER spaces-user
# Expose the port
EXPOSE ${PORT:-7860}
# Start the FastAPI backend using Uvicorn, reading the PORT env variable
CMD ["sh", "-c", "uvicorn main:app --host 0.0.0.0 --port ${PORT:-7860}"] |