Initial commit: Full project structure

- Backend: NestJS with Docker
- Frontend: Next.js with Docker
- Nginx configuration for reverse proxy
- PostgreSQL setup
- Docker compose for orchestration
- Development environment configuration

frontend/Dockerfile

@@ -0,0 +1,72 @@
+# Build stage
+FROM node:18-alpine AS builder
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+RUN npm ci
+
+# Copy source code
+COPY . .
+
+# Set build-time environment variables
+ENV NEXT_TELEMETRY_DISABLED=1
+ENV NODE_ENV=production
+
+# Build Next.js application
+RUN npm run build
+
+# Production stage
+FROM node:18-alpine
+
+WORKDIR /app
+
+# Install dumb-init for proper signal handling
+RUN apk add --no-cache dumb-init
+
+# Create non-root user
+RUN addgroup -g 1001 -S nodejs && \
+    adduser -S dyolink -u 1001
+
+# Copy package files
+COPY package*.json ./
+
+# Install production dependencies only
+RUN npm ci --only=production && \
+    npm cache clean --force
+
+# Copy built application
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/next.config.js ./next.config.js
+COPY --from=builder /app/package.json ./package.json
+
+# Create logs directory
+RUN mkdir -p /app/logs && \
+    chown -R dyolink:nodejs /app
+
+# Set ownership
+RUN chown -R dyolink:nodejs /app
+
+# Switch to non-root user
+USER dyolink
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=5s --start-period=40s --retries=3 \
+  CMD node -e "require('http').get('http://localhost:3000', (r) => {if(r.statusCode!==200)throw new Error()})" || exit 1
+
+EXPOSE 3000
+
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+ENV NODE_ENV=production
+
+# Copy entrypoint script
+COPY docker-entrypoint.sh /usr/local/bin/
+RUN chmod +x /usr/local/bin/docker-entrypoint.sh
+
+# Use dumb-init for signal handling
+ENTRYPOINT ["dumb-init", "--", "docker-entrypoint.sh"]
+
+CMD ["npm", "start"]