add: deployment files

.dockerignore

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+node_modules
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.git
+.gitignore
+README.md
+.env
+.nyc_output
+coverage
+.husky
+.parcel-cache
+dist
+tests
+*.md

Dockerfile

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+# Stage 1: Build stage
+FROM node:18-alpine AS builder
+
+# Set working directory
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci --only=production=false
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN npm run build
+
+# Stage 2: Production stage
+FROM nginx:alpine AS production
+
+# Copy built application from builder stage
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# Copy custom nginx configuration
+COPY nginx.conf /etc/nginx/nginx.conf
+
+# Expose port 80
+EXPOSE 80
+
+# Start nginx
+CMD ["nginx", "-g", "daemon off;"]

deploy.sh

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+#!/bin/bash
+
+# Build and deploy script for invoice generator
+
+set -e
+
+echo "🚀 Starting deployment process..."
+
+# Build the Docker image
+echo "📦 Building Docker image..."
+docker build -t invoice-generator:latest .
+
+# Stop and remove existing container if running
+echo "🛑 Stopping existing container..."
+docker stop invoice-generator-app 2>/dev/null || true
+docker rm invoice-generator-app 2>/dev/null || true
+
+# Run the new container
+echo "▶️  Starting new container..."
+docker run -d \
+  --name invoice-generator-app \
+  --restart unless-stopped \
+  -p 8080:80 \
+  invoice-generator:latest
+
+echo "✅ Deployment completed successfully!"
+echo "🌐 Application is available at: http://localhost:8080"

docker-compose.yml

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+version: "3.8"
+
+services:
+  invoice-generator:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      target: production
+    ports:
+      - "8080:80"
+    restart: unless-stopped
+    container_name: invoice-generator-app
+
+  # Development service (optional)
+  invoice-generator-dev:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      target: builder
+    ports:
+      - "1234:1234"
+    volumes:
+      - .:/app
+      - /app/node_modules
+    command: npm run dev
+    profiles: ["dev"]

nginx.conf

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+events {
+    worker_connections 1024;
+}
+
+http {
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    # Logging
+    access_log /var/log/nginx/access.log;
+    error_log /var/log/nginx/error.log;
+
+    # Gzip compression
+    gzip on;
+    gzip_vary on;
+    gzip_min_length 1024;
+    gzip_proxied any;
+    gzip_comp_level 6;
+    gzip_types
+        text/plain
+        text/css
+        text/xml
+        text/javascript
+        application/javascript
+        application/xml+rss
+        application/json;
+
+    # Security headers
+    add_header X-Frame-Options "SAMEORIGIN" always;
+    add_header X-XSS-Protection "1; mode=block" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header Referrer-Policy "no-referrer-when-downgrade" always;
+    add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline'" always;
+
+    server {
+        listen 80;
+        server_name _;
+        root /usr/share/nginx/html;
+        index index.html;
+
+        # Cache static assets
+        location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg)$ {
+            expires 1y;
+            add_header Cache-Control "public, immutable";
+        }
+
+        # Handle SPA routing
+        location / {
+            try_files $uri $uri/ /index.html;
+        }
+
+        # Security
+        location ~ /\. {
+            deny all;
+        }
+    }
+}