Dockerfile

# Stage 1: Build the Svelte frontend
FROM node:18-alpine AS builder

WORKDIR /app/frontend

# Copy package files and install dependencies
COPY frontend/package.json frontend/package-lock.json ./
RUN npm install

# Copy the rest of the frontend source code
COPY frontend/ .

# Build the application
RUN npm run build

# Stage 2: Setup the Python backend and serve the frontend
FROM python:3.10-slim

WORKDIR /app

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

# Copy the built frontend from the builder stage
COPY --from=builder /app/frontend/dist /app/static/dist

# Copy the rest of the application files
COPY . .

# Create a non-root user to run the application
RUN useradd -m appuser && chown -R appuser:appuser /app
USER appuser

# Expose the port
EXPOSE 5000

# Command to run the application
CMD ["gunicorn", "--bind", "0.0.0.0:5000", "app:app"]