# Build stage
FROM node:20 AS builder

WORKDIR /app

# Use a faster npm registry mirror
RUN npm config set registry https://registry.npmmirror.com

# Copy package files first for better caching
COPY package*.json ./
RUN npm install

# Copy the rest of the code and build
COPY . .
RUN npm run build

# Production stage
FROM node:20-slim

WORKDIR /app

# Use a faster npm registry mirror
RUN npm config set registry https://registry.npmmirror.com

# Install only production dependencies
# Copy package files again for production layer caching
COPY package*.json ./
# Install build tools temporarily for native modules if needed, 
# though many have pre-built binaries on standard Node images
RUN apt-get update && apt-get install -y python3 make g++ \
    && npm install --omit=dev \
    && apt-get purge -y python3 make g++ \
    && apt-get autoremove -y \
    && rm -rf /var/lib/apt/lists/*

# Copy built app and static files from builder
COPY --from=builder /app/build ./build
COPY --from=builder /app/static ./static

# App configuration
ENV PORT=1995
ENV NODE_ENV=production

EXPOSE 1995

# The database data.db will be created at /app/data.db or mounted via volume
CMD ["node", "build"]