FROM node:22-alpine AS base

# Install production dependencies
FROM base AS deps
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci --omit=dev

# Build
FROM base AS builder
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci
COPY . .
RUN npm run build
# Bundle custom server + ws into a single JS file
RUN npx esbuild server.ts --bundle --platform=node --target=node22 --outfile=dist-server/server.js \
    --external:next --external:.next

# Production
FROM base AS runner
WORKDIR /app
ENV NODE_ENV=production

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

# Copy production node_modules (has full next package)
COPY --from=deps /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./
COPY --from=builder /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/.next ./.next
COPY --from=builder --chown=nextjs:nodejs /app/dist-server/server.js ./server.js

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

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