Dockerfile

FROM node:20-alpine AS base

# Install dependencies only when needed
FROM base AS deps
RUN apk add --no-cache libc6-compat python3 make g++
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 . .

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 apk add --no-cache libc6-compat libstdc++ ffmpeg

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

# Automatically leverage output traces to reduce image size
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static

# Standalone tracing only bundles what the app imports, so the migration scripts
# would never reach the image: they are run by hand via docker exec.
COPY --from=builder /app/scripts ./scripts

# Create data directory
RUN mkdir -p /app/data

EXPOSE 3000

ENV PORT 3000
ENV HOSTNAME "0.0.0.0"

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