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waters-boards/server/Dockerfile
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FROM node:22-alpine
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci --omit=dev
COPY server.js ./
COPY src ./src
COPY public ./public
# Database, uploads and nightly backups live here; mount a volume in compose.
RUN mkdir -p /app/data
ENV DATA_DIR=/app/data
ENV NODE_ENV=production
ENV PORT=3100
EXPOSE 3100
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
CMD wget -qO- http://127.0.0.1:3100/healthz >/dev/null 2>&1 || exit 1
CMD ["node", "--disable-warning=ExperimentalWarning", "server.js"]