Add Docker deployment for Netcup/Traefik, replace Vercel hosting

- Dockerfile with multi-stage build (deps → build → standalone runner)
- docker-compose.yml with Traefik labels for draw.jeffemmett.com
- Enable Next.js standalone output mode for Docker

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.dockerignore

@@ -0,0 +1,4 @@
+node_modules
+.next
+.git
+.env*

Dockerfile

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+FROM node:18-alpine AS deps
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN npm ci
+
+FROM node:18-alpine AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+ENV NEXT_TELEMETRY_DISABLED=1
+RUN npm run build
+
+FROM node:18-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
+CMD ["node", "server.js"]

docker-compose.yml

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+services:
+  draw-fast:
+    build: .
+    container_name: draw-fast
+    restart: unless-stopped
+    environment:
+      - FAL_KEY=${FAL_KEY}
+    labels:
+      - "traefik.enable=true"
+      - "traefik.http.routers.draw-fast.rule=Host(`draw.jeffemmett.com`)"
+      - "traefik.http.routers.draw-fast.entrypoints=web"
+      - "traefik.http.services.draw-fast.loadbalancer.server.port=3000"
+    networks:
+      - traefik
+
+networks:
+  traefik:
+    external: true

next.config.js

@@ -1,4 +1,6 @@
 /** @type {import('next').NextConfig} */
-const nextConfig = {};
+const nextConfig = {
+  output: 'standalone',
+};
 
 module.exports = nextConfig;