FROM node:22-alpine

RUN apk add --no-cache python3 py3-pip && \
    pip install --no-cache-dir --break-system-packages edge-tts

WORKDIR /app

COPY package.json package-lock.json* ./
RUN npm ci --omit=dev

COPY server.js db.js ai-prompt.txt ./
COPY public ./public

EXPOSE 3000

CMD ["node", "server.js"]