feat: Dockerize web application by adding Dockerfile, .dockerignore, and configuring next.config for standalone output and image optimization.

.dockerignore

@@ -0,0 +1,53 @@
+# Dependencies
+node_modules
+npm-debug.log
+
+# Next.js build output
+.next
+out
+
+# Environment files
+.env
+.env.*
+!.env.example
+
+# IDE
+.idea
+.vscode
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Git
+.git
+.gitignore
+
+# Docker
+Dockerfile
+docker-compose*.yml
+.dockerignore
+
+# Testing
+coverage
+.nyc_output
+__tests__
+*.spec.ts
+*.test.ts
+*.spec.tsx
+*.test.tsx
+
+# Documentation
+docs
+*.md
+!README.md
+
+# Logs
+logs
+*.log
+
+# Misc
+.eslintcache
+.prettierignore

Dockerfile

@@ -0,0 +1,66 @@
+# ===========================================
+# Web Dockerfile (Next.js)
+# ===========================================
+
+# Stage 1: Dependencies
+FROM node:20-alpine AS deps
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci
+
+# Stage 2: Build
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Copy dependencies from deps stage
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# Set environment variables for build
+ENV NEXT_TELEMETRY_DISABLED=1
+ENV NODE_ENV=production
+
+# Build the application
+RUN npm run build
+
+# Stage 3: Production
+FROM node:20-alpine AS production
+
+WORKDIR /app
+
+# Create non-root user
+RUN addgroup -g 1001 -S nodejs && \
+    adduser -S nextjs -u 1001
+
+# Set environment variables
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+
+# Copy necessary files from builder
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/.next/standalone ./
+COPY --from=builder /app/.next/static ./.next/static
+
+# Set ownership
+RUN chown -R nextjs:nodejs /app
+
+# Switch to non-root user
+USER nextjs
+
+# Expose port
+EXPOSE 3000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:3000 || exit 1
+
+# Start the application
+CMD ["node", "server.js"]

next.config.ts

@@ -1,7 +1,18 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
-  /* config options here */
+  // Enable standalone output for Docker
+  output: "standalone",
+
+  // Image optimization
+  images: {
+    remotePatterns: [
+      {
+        protocol: "https",
+        hostname: "**",
+      },
+    ],
+  },
 };
 
 export default nextConfig;