feat(build): add docker support with the current bun runtime

.dockerignore

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+node_modules
+npm-debug.log
+.git
+.gitignore
+.dockerignore
+.env
+.env.local
+.env.*.local
+.next
+out
+build
+dist
+.DS_Store
+*.md
+.vscode
+.idea
+.eslintcache
+.turbo
+coverage

Dockerfile

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+# Stage 1: Dependencies
+FROM oven/bun:latest AS deps
+WORKDIR /app
+
+# Copy package files
+COPY package.json bun.lock* bun.lockb* package-lock.json* yarn.lock* ./
+
+# Install dependencies using Bun
+# Bun supports multiple lockfile formats and can work with npm/yarn/pnpm files
+RUN bun install --frozen-lockfile || bun install
+
+# Stage 2: Builder
+FROM deps AS builder
+WORKDIR /app
+
+# Copy source code
+COPY . .
+
+# Build the Next.js application
+RUN bun run build
+
+# Stage 3: Production Runtime
+FROM oven/bun:latest AS runner
+WORKDIR /app
+
+# Set environment variables
+ENV NODE_ENV=production
+ENV HOST=0.0.0.0
+ENV PORT=3000
+
+# Copy package.json
+COPY --from=builder /app/package.json ./package.json
+
+# Copy node_modules from builder for faster layer
+COPY --from=builder /app/node_modules ./node_modules
+
+# Copy built application from builder stage
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/public ./public
+
+# Use existing 'bun' user already in the image for security
+# The oven/bun image includes a non-root 'bun' user by default
+USER bun
+
+# Expose port
+EXPOSE 3000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+    CMD bun -e "fetch('http://127.0.0.1:' + (process.env.PORT || 3000) + '/').then((res) => process.exit(res.ok ? 0 : 1)).catch(() => process.exit(1))"
+
+# Start the application
+CMD ["bun", "run", "start"]

docker-compose.yml

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+version: '3.9'
+
+services:
+  app:
+    # Delphitools Next.js Application - Powered by Bun
+    build:
+      context: .
+      dockerfile: Dockerfile
+      cache_from:
+        - type=registry,ref=delphitools:latest
+
+    # Image identification
+    image: delphitools:latest
+    container_name: delphitools-app
+
+    # Port mappings
+    ports:
+      - "3000:3000"
+
+    # Environment variables
+    environment:
+      NODE_ENV: production
+      PORT: 3000
+      HOST: 0.0.0.0
+
+    # Automatic restart on failure
+    restart: unless-stopped
+
+    # Resource limits (optimized for Bun's efficiency)
+    deploy:
+      resources:
+        limits:
+          cpus: '1'          
+          memory: 1G         
+        reservations:
+          cpus: '0.5'
+          memory: 256M
+
+    # Health check using Bun
+    healthcheck:
+      test: ["CMD", "bun", "-e", "fetch('http://127.0.0.1:3000/').then((res) => process.exit(res.ok ? 0 : 1)).catch(() => process.exit(1))"]
+      interval: 30s
+      timeout: 5s
+      retries: 3
+      start_period: 10s
+
+    # Logging configuration
+    logging:
+      driver: json-file
+      options:
+        max-size: "10m"
+        max-file: "3"
+
+    # Security options
+    security_opt:
+      - no-new-privileges:true
+
+    # Run as non-root user (bun user from oven/bun image)
+    user: "1000:1000"
+
+# Networks
+networks:
+  default:
+    name: delphitools-network
+    driver: bridge
+
+# Named volumes
+volumes:
+  node_modules:
+    driver: local