Dockerfile

FROM node:20-alpine AS base

# Set working directory
WORKDIR /app

# Install dependencies only when needed
FROM base AS deps
RUN apk add --no-cache libc6-compat
WORKDIR /app/web/app

# Copy only the lock and package files
COPY web/app/package.json web/app/package-lock.json* web/app/yarn.lock* web/app/pnpm-lock.yaml* ./

RUN \
  if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
  elif [ -f package-lock.json ]; then npm ci; \
  elif [ -f pnpm-lock.yaml ]; then yarn global add pnpm && pnpm i --frozen-lockfile; \
  else echo "Lockfile not found." && exit 1; \
  fi

# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app/web/app
COPY --from=deps /app/web/app/node_modules ./node_modules
COPY web/app .

ARG NEXT_PUBLIC_API_BASE_URL
ARG NEXT_PUBLIC_FIREBASE_API_KEY
ARG NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN
ARG NEXT_PUBLIC_FIREBASE_PROJECT_ID
ARG NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET
ARG NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID
ARG NEXT_PUBLIC_FIREBASE_APP_ID
ARG NEXT_PUBLIC_FIREBASE_MEASUREMENT_ID
ARG NEXT_PUBLIC_FIREBASE_VAPID_KEY
ENV OMI_REQUIRED_PUBLIC_BUILD_INPUTS="NEXT_PUBLIC_API_BASE_URL NEXT_PUBLIC_FIREBASE_API_KEY NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN NEXT_PUBLIC_FIREBASE_PROJECT_ID NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID NEXT_PUBLIC_FIREBASE_APP_ID NEXT_PUBLIC_FIREBASE_MEASUREMENT_ID NEXT_PUBLIC_FIREBASE_VAPID_KEY"

ENV NEXT_PUBLIC_API_BASE_URL=$NEXT_PUBLIC_API_BASE_URL
ENV NEXT_PUBLIC_FIREBASE_API_KEY=$NEXT_PUBLIC_FIREBASE_API_KEY
ENV NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN=$NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN
ENV NEXT_PUBLIC_FIREBASE_PROJECT_ID=$NEXT_PUBLIC_FIREBASE_PROJECT_ID
ENV NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET=$NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET
ENV NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID=$NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID
ENV NEXT_PUBLIC_FIREBASE_APP_ID=$NEXT_PUBLIC_FIREBASE_APP_ID
ENV NEXT_PUBLIC_FIREBASE_MEASUREMENT_ID=$NEXT_PUBLIC_FIREBASE_MEASUREMENT_ID
ENV NEXT_PUBLIC_FIREBASE_VAPID_KEY=$NEXT_PUBLIC_FIREBASE_VAPID_KEY

RUN for name in $OMI_REQUIRED_PUBLIC_BUILD_INPUTS; do \
      value="$(printenv "$name" || true)"; \
      test -n "$value" || { echo "required public build input is empty: $name" >&2; exit 1; }; \
    done

RUN npm run build

# Production image
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production

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

# Copy built output
COPY --from=builder /app/web/app/public ./public

RUN mkdir .next
RUN chown nextjs:nodejs .next

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

USER nextjs

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

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