Dockerfile

# syntax=docker/dockerfile:1

# ── Stage 1: dependency install ─────────────────────────────────────────────
FROM node:20-alpine AS deps
RUN apk add --no-cache libc6-compat
WORKDIR /app

COPY app/package.json app/package-lock.json ./
# Use --legacy-peer-deps to match CI until peer-dependency issues are resolved (#521).
# TODO: remove this flag once npm audit is clean and peer conflicts are fixed.
RUN npm ci --ignore-scripts --legacy-peer-deps

# ── Stage 2: build ──────────────────────────────────────────────────────────
FROM node:20-alpine AS builder
WORKDIR /app

# Build-time arguments for environment variables that must be inlined at build time.
# These are NEXT_PUBLIC_* values that cannot be set at runtime and must be
# passed via --build-arg (see docker-compose.yml).
ARG NEXT_PUBLIC_API_BASE_URL
ARG NEXT_PUBLIC_PRIVY_APP_ID
ARG NEXT_PUBLIC_STELLAR_NETWORK_PASSPHRASE
ARG NEXT_PUBLIC_HORIZON_URL

ENV NEXT_PUBLIC_API_BASE_URL=$NEXT_PUBLIC_API_BASE_URL
ENV NEXT_PUBLIC_PRIVY_APP_ID=$NEXT_PUBLIC_PRIVY_APP_ID
ENV NEXT_PUBLIC_STELLAR_NETWORK_PASSPHRASE=$NEXT_PUBLIC_STELLAR_NETWORK_PASSPHRASE
ENV NEXT_PUBLIC_HORIZON_URL=$NEXT_PUBLIC_HORIZON_URL
ENV NEXT_TELEMETRY_DISABLED=1
ENV NODE_ENV=production

COPY --from=deps /app/node_modules ./node_modules
COPY app/ .

RUN npm run build

# ── Stage 3: production runner ──────────────────────────────────────────────
FROM node:20-alpine AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

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

COPY --from=builder /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

USER nextjs

EXPOSE 3000
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

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