feat: add Docker deployment — multi-stage build + nginx SPA serving

.dockerignore

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+node_modules
+dist
+.git
+.gitignore
+*.md
+.vscode
+pencil-new.pen
+Reports.jpg

Dockerfile

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+# ── Stage 1: Build ───────────────────────────────────────
+FROM node:22-alpine AS builder
+
+WORKDIR /app
+
+# Install dependencies first (layer cache)
+COPY package.json package-lock.json ./
+RUN npm ci
+
+# Copy source and build
+COPY . .
+RUN npm run build
+
+# ── Stage 2: Serve ───────────────────────────────────────
+FROM nginx:alpine AS runner
+
+# Copy built assets from builder
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# Copy custom nginx config for SPA routing
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]

docker-compose.yml

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+services:
+  taptrack-website:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: taptrack-website
+    ports:
+      - "3000:80"
+    restart: unless-stopped

nginx.conf

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+server {
+    listen 80;
+    server_name _;
+
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # Gzip compression
+    gzip on;
+    gzip_types text/plain text/css application/javascript application/json image/svg+xml;
+    gzip_min_length 1024;
+
+    # Cache static assets aggressively
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff2?)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+        try_files $uri =404;
+    }
+
+    # SPA fallback — all routes serve index.html
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+}