25 lines
594 B
Docker
25 lines
594 B
Docker
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FROM node:20-alpine
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WORKDIR /app
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# Install deps first for better caching
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COPY package.json package-lock.json* ./
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RUN if [ -f package-lock.json ]; then npm ci --omit=dev; else npm install --omit=dev; fi
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# Copy application code
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COPY server.js ./
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COPY public ./public
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# Persisted data lives here; mount a volume in compose
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RUN mkdir -p /app/data
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ENV DATA_DIR=/app/data
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ENV NODE_ENV=production
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ENV PORT=3000
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EXPOSE 3000
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HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
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CMD wget -qO- http://127.0.0.1:3000/healthz >/dev/null 2>&1 || exit 1
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CMD ["node", "server.js"]
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