Dockerfile

# Production Dockerfile for Next.js Sentry Listener
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 openssl

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 . .

# Copy prisma schema and config, then generate client
COPY prisma ./prisma/
COPY prisma.config.ts ./
RUN npx prisma generate

# Next.js collects completely anonymous telemetry data about general usage.
# Learn more here: https://nextjs.org/telemetry
# Uncomment the following line in case you want to disable telemetry during the build.
ENV NEXT_TELEMETRY_DISABLED=1

# Build Next.js application
RUN npm run build

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

ENV NODE_ENV=production
# Uncomment the following line in case you want to disable telemetry during runtime.
ENV NEXT_TELEMETRY_DISABLED=1

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

# Copy public assets
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
# 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

# Copy Prisma files for migrations
COPY --from=builder --chown=nextjs:nodejs /app/prisma ./prisma
COPY --from=builder --chown=nextjs:nodejs /app/prisma.config.ts ./prisma.config.ts
COPY --from=builder --chown=nextjs:nodejs /app/node_modules/@prisma ./node_modules/@prisma
COPY --from=builder --chown=nextjs:nodejs /app/src/generated ./src/generated

# Copy node_modules for prisma CLI
COPY --from=builder /app/node_modules ./node_modules

# Copy entrypoint script
COPY --chown=nextjs:nodejs docker-entrypoint.sh ./
RUN chmod +x docker-entrypoint.sh

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Run migrations and start server
ENTRYPOINT ["./docker-entrypoint.sh"]