Add Docker deployment configuration

- Dockerfile for Next.js static export with nginx
- nginx.conf with proper SPA routing (try_files fallback)
- docker-compose.yml with Traefik labels for post-appitalism.app

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

Dockerfile

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+# Build stage
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Install pnpm
+RUN corepack enable && corepack prepare pnpm@latest --activate
+
+# Copy package files
+COPY package.json pnpm-lock.yaml ./
+
+# Install dependencies
+RUN pnpm install --frozen-lockfile
+
+# Copy source code
+COPY . .
+
+# Build the static export
+RUN pnpm build
+
+# Production stage - nginx to serve static files
+FROM nginx:alpine
+
+# Copy custom nginx config for SPA routing
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# Copy the static export from builder
+# Next.js static export outputs to 'out' folder
+COPY --from=builder /app/out /usr/share/nginx/html
+
+# Expose port 80
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]

docker-compose.yml

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+services:
+  post-app-prod:
+    build: .
+    restart: unless-stopped
+    labels:
+      - "traefik.enable=true"
+      # Main domain
+      - "traefik.http.routers.post-app.rule=Host(`post-appitalism.app`) || Host(`www.post-appitalism.app`)"
+      - "traefik.http.routers.post-app.entrypoints=web"
+      - "traefik.http.services.post-app.loadbalancer.server.port=80"
+      # Redirect www to non-www
+      - "traefik.http.middlewares.post-app-redirect.redirectregex.regex=^https?://www\\.post-appitalism\\.app/(.*)"
+      - "traefik.http.middlewares.post-app-redirect.redirectregex.replacement=https://post-appitalism.app/$${1}"
+      - "traefik.http.middlewares.post-app-redirect.redirectregex.permanent=true"
+    networks:
+      - traefik-public
+
+networks:
+  traefik-public:
+    external: true

nginx.conf

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+server {
+    listen 80;
+    server_name _;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # Enable gzip compression
+    gzip on;
+    gzip_vary on;
+    gzip_min_length 1024;
+    gzip_proxied any;
+    gzip_types text/plain text/css text/xml text/javascript application/javascript application/json application/xml+rss;
+
+    # Security headers
+    add_header X-Frame-Options "SAMEORIGIN" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header X-XSS-Protection "1; mode=block" always;
+
+    # Handle Next.js static export routes
+    location / {
+        # Try exact file, then .html extension, then directory, then fallback to index.html
+        try_files $uri $uri.html $uri/ /index.html;
+    }
+
+    # Cache static assets
+    location /_next/static/ {
+        add_header Cache-Control "public, max-age=31536000, immutable";
+    }
+
+    # Cache other static files
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
+        expires 1y;
+        add_header Cache-Control "public, max-age=31536000";
+    }
+
+    # Custom error pages
+    error_page 404 /404.html;
+    error_page 500 502 503 504 /500.html;
+}