A Node.js/TypeScript worker that sends daily AI-generated summaries of tech news from X/Twitter via Nitter RSS feeds. Features: - Fetches tweets from 40+ curated tech accounts via Nitter RSS - Filters and categorizes by topic (AI/ML, SWE, General Tech) - Generates AI summaries using OpenRouter (Claude/GPT-4) - Sends professional HTML email via Brevo SMTP - Runs on cron schedule inside Docker container - Instance rotation for Nitter reliability - Graceful degradation if AI fails Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
43 lines
1.1 KiB
Docker
43 lines
1.1 KiB
Docker
# =============================================================================
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# Build Stage
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# =============================================================================
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FROM node:20-alpine AS builder
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WORKDIR /app
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# Install dependencies first (better layer caching)
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COPY package*.json ./
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RUN npm ci
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# Copy source and build
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COPY tsconfig.json ./
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COPY src ./src
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RUN npm run build
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# Prune dev dependencies
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RUN npm prune --production
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# =============================================================================
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# Production Stage
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# =============================================================================
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FROM node:20-alpine AS production
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# Security: run as non-root user
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RUN addgroup -g 1001 -S nodejs && \
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adduser -S newsletter -u 1001
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WORKDIR /app
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# Copy built application
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COPY --from=builder --chown=newsletter:nodejs /app/node_modules ./node_modules
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COPY --from=builder --chown=newsletter:nodejs /app/dist ./dist
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COPY --from=builder --chown=newsletter:nodejs /app/package.json ./
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USER newsletter
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# Set timezone (can be overridden via env)
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ENV TZ=Europe/Warsaw
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# Default command
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CMD ["node", "dist/index.js"]
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