Peter Meier
4dd17b7ac4
Watchtower waits for container to be healthy before stopping the old one. Grace period allows in-flight requests to drain on shutdown. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
42 lines
1.4 KiB
Docker
42 lines
1.4 KiB
Docker
# ─────────────────────────────────────────────
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# Stage 1: Build
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# ─────────────────────────────────────────────
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FROM node:22-alpine AS builder
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WORKDIR /app
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# Erst nur package*.json – besseres Layer-Caching
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COPY package*.json ./
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# prepare läuft svelte-kit sync (|| true → unkritisch wenn Config fehlt)
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RUN npm ci
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COPY . .
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RUN npm run build
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# ─────────────────────────────────────────────
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# Stage 2: Schlankes Production-Image
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# ─────────────────────────────────────────────
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FROM node:22-alpine AS runner
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WORKDIR /app
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ENV NODE_ENV=production
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# Nur Production-Deps, kein postinstall nötig
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COPY package*.json ./
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RUN npm ci --omit=dev --ignore-scripts
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# Build-Artefakt aus Stage 1
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COPY --from=builder /app/build ./build
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# Non-root user
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RUN addgroup -g 1001 -S nodejs \
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&& adduser -S svelte -u 1001 -G nodejs \
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&& chown -R svelte:nodejs /app
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USER svelte
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EXPOSE 3001
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ENV PORT=3001
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HEALTHCHECK --interval=5s --timeout=3s --start-period=15s --retries=3 \
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CMD wget -qO- http://localhost:3001/ > /dev/null || exit 1
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CMD ["node", "build"]
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