Adiciona Dockerfile e nginx.conf para deploy no Coolify

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

Dockerfile

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+# Build phase
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Copy dependency info
+COPY package.json package-lock.json ./
+
+# Install all dependencies
+RUN npm ci
+
+# Copy the rest of the application code
+COPY . .
+
+# Build the application
+RUN npm run build
+
+# Serve phase
+FROM nginx:alpine
+
+# Copy the build output to replace the default nginx contents
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# Copy our custom nginx configuration
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# Expose port 8080
+EXPOSE 8080
+
+# Start nginx
+CMD ["nginx", "-g", "daemon off;"]

nginx.conf

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+server {
+    listen 8080;
+    server_name _;
+    
+    root /usr/share/nginx/html;
+    index index.html;
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+}