Dockerfile

# Stage 1: Build the React frontend
FROM node:20-alpine AS frontend-builder
WORKDIR /app/frontend


# Copy package files and install dependencies
COPY algospaced-ui/package*.json ./
RUN npm install

# Copy the rest of the frontend source code
COPY algospaced-ui/ ./

# Run the build
RUN npm run build

# Stage 2: Run the FastAPI backend
FROM python:3.11-slim
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Install python dependencies
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

# Copy all source files
COPY . .

# Copy compiled frontend from Stage 1 into the backend's static directory
COPY --from=frontend-builder /app/frontend/dist ./algospaced-ui/dist

# Expose port (Render/Railway will set PORT env var, default to 8000)
ENV PORT=8000
CMD uvicorn main:app --host 0.0.0.0 --port $PORT