Dockerfile

FROM node:20 AS base

# Install dependencies only when needed
FROM base AS deps
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 dev-base
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npx prisma generate

FROM dev-base AS development
ENV NODE_ENV development
EXPOSE 3000
CMD ["npm", "run", "dev"]

FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Generate Prisma Client
RUN npx prisma generate

# Next.js collects completely anonymous telemetry data about general usage.
ENV NEXT_TELEMETRY_DISABLED 1

RUN npm run build

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

ENV NODE_ENV production
ENV NEXT_TELEMETRY_DISABLED 1

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

# Ensure public directory exists
RUN mkdir -p public
COPY --from=builder /app/public ./public

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

# Automatically leverage output traces to reduce image size
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
COPY --from=builder --chown=nextjs:nodejs /app/src/scripts ./src/scripts
COPY --from=builder --chown=nextjs:nodejs /app/HOMELAB_MANUAL.md ./
COPY --from=builder --chown=nextjs:nodejs /app/CHANGELOG.md ./
COPY --from=builder --chown=nextjs:nodejs /app/HOMELAB_RECOVERY.md ./

USER nextjs

EXPOSE 3000

ENV PORT 3000

CMD ["node", "server.js"]