CollectFlow/Dockerfile

FROM node:20-alpine AS base

# Install dependencies only when needed
FROM base AS deps
# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
RUN apk add --no-cache libc6-compat
WORKDIR /app

# Install dependencies based on the preferred package manager
COPY package.json package-lock.json* ./
RUN npm ci

# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Next.js telemetry is disabled
ENV NEXT_TELEMETRY_DISABLED=1
# Limit workers and increase memory to prevent OOM
ENV NODE_OPTIONS="--max-old-space-size=4096"
ENV NEXT_PRIVATE_WORKER_THREADS=0

RUN npm run build

# Production image, copy all the files and run next
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production
# Next.js telemetry is disabled
ENV NEXT_TELEMETRY_DISABLED=1

RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

COPY --from=builder /app/public ./public

# Set the correct permission for prerender cache and data storage
RUN mkdir .next data
RUN chown nextjs:nodejs .next data

# Automatically leverage output traces to reduce image size
# https://nextjs.org/docs/advanced-features/output-file-tracing
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# Grant write access to /app for settings persistence
RUN chown -R nextjs:nodejs /app

COPY --from=builder --chown=nextjs:nodejs /app/scripts ./scripts

USER nextjs

EXPOSE 5643

ENV PORT=5643
# set hostname to localhost
ENV HOSTNAME="0.0.0.0"

# Run the DB init script, then start the standalone server
CMD node scripts/db-init.js && node server.js