Dockerfile

# syntax=docker/dockerfile:1.7

FROM node:22-alpine AS builder
RUN apk add --no-cache libc6-compat openssl
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci
COPY . .

RUN npx prisma generate

ARG NEXT_PUBLIC_APP_NAME="Digital Permit Platform"
ARG NEXT_PUBLIC_APP_URL="http://localhost:3000"
ARG NEXT_PUBLIC_SUPPORT_EMAIL="support@example.gov.uk"
ARG NEXT_PUBLIC_SUPPORT_PHONE="0300 000 0000"
ARG NEXT_PUBLIC_DEMO_MODE="true"
ARG NEXT_PUBLIC_SHOW_SAMPLE_BANNER="true"

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV NEXT_PUBLIC_APP_NAME=${NEXT_PUBLIC_APP_NAME}
ENV NEXT_PUBLIC_APP_URL=${NEXT_PUBLIC_APP_URL}
ENV NEXT_PUBLIC_SUPPORT_EMAIL=${NEXT_PUBLIC_SUPPORT_EMAIL}
ENV NEXT_PUBLIC_SUPPORT_PHONE=${NEXT_PUBLIC_SUPPORT_PHONE}
ENV NEXT_PUBLIC_DEMO_MODE=${NEXT_PUBLIC_DEMO_MODE}
ENV NEXT_PUBLIC_SHOW_SAMPLE_BANNER=${NEXT_PUBLIC_SHOW_SAMPLE_BANNER}
RUN npm run build

FROM node:22-alpine AS runner
RUN apk add --no-cache libc6-compat openssl
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 --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
COPY --from=builder --chown=nextjs:nodejs /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/node_modules/.prisma ./node_modules/.prisma

USER nextjs

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

HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://127.0.0.1:3000/api/health || exit 1

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