Dockerfile

# Stage 1: Frontend Build
FROM node:20-alpine AS frontend-builder

# Accept version as build argument
ARG VERSION=dev

# Set environment variable for Next.js build
ENV NEXT_PUBLIC_APP_VERSION=${VERSION}

WORKDIR /app/frontend

# Copy package files
COPY frontend/package*.json ./
RUN npm install

# Copy frontend source and build
COPY frontend/ .
RUN npm run build

# Stage 2: Backend Production
FROM python:3.10-slim

# Accept version as build argument
ARG VERSION=dev

# Install system dependencies including build tools for ARM64 compatibility
RUN apt-get update && apt-get install -y \
    ffmpeg \
    curl \
    gcc \
    python3-dev \
    build-essential \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get clean

# Create app user for security
RUN useradd -m -u 1000 appuser

# Set working directory
WORKDIR /app

# Copy requirements and install Python dependencies
COPY backend/requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

# Copy backend code
COPY backend/ ./

# Copy Next.js standalone build
COPY --from=frontend-builder /app/frontend/.next/standalone ./frontend/
COPY --from=frontend-builder /app/frontend/.next/static ./frontend/.next/static
COPY --from=frontend-builder /app/frontend/public ./frontend/public

# Install Node.js for running Next.js standalone
RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
    && apt-get install -y nodejs

# Create app data directory structure
RUN mkdir -p /app/app_data/{database,recordings,logs,config} \
    && chown -R appuser:appuser /app

# Switch to non-root user
USER appuser

# Set environment variables
ENV VERSION=${VERSION}
ENV APP_DATA_DIR=/app/app_data
ENV PYTHONPATH=/app
ENV PYTHONUNBUFFERED=1

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# Expose port
EXPOSE 8000

# Start the application
CMD ["python", "-m", "uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]