Initial commit: Complete NodeJS-native setup

- Migrated from Python pre-commit to NodeJS-native solution
- Reorganized documentation structure
- Set up Husky + lint-staged for efficient pre-commit hooks
- Fixed Dockerfile healthcheck issue
- Added comprehensive documentation index

docker/README.md

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+# 🐳 Docker Configuration
+
+This directory contains all Docker and containerization-related files for RxMinder.
+
+## Files
+
+- **`Dockerfile`** - Multi-stage Docker build configuration with buildx support
+- **`docker-compose.yaml`** - Service orchestration with multi-platform support
+- **`docker-bake.hcl`** - Advanced buildx configuration for multi-platform builds
+- **`nginx.conf`** - Production web server configuration
+- **`.dockerignore`** - Files and directories to exclude from Docker build context
+
+## Docker Buildx Support
+
+This project now supports Docker Buildx for multi-platform builds (AMD64 and ARM64).
+
+### Quick Start with Buildx
+
+```bash
+# Setup buildx builder (run once)
+../scripts/buildx-helper.sh setup
+
+# Build for local platform only (faster for development)
+../scripts/buildx-helper.sh build-local
+
+# Build for multiple platforms
+../scripts/buildx-helper.sh build-multi
+
+# Build and push to registry
+../scripts/buildx-helper.sh push docker.io/username latest
+
+# Build using Docker Bake (advanced)
+../scripts/buildx-helper.sh bake
+```
+
+### Manual Buildx Commands
+
+```bash
+# Create and use buildx builder
+docker buildx create --name rxminder-builder --driver docker-container --bootstrap --use
+
+# Build for multiple platforms
+docker buildx build --platform linux/amd64,linux/arm64 -t rxminder:latest --load .
+
+# Build with bake file
+docker buildx bake -f docker-bake.hcl
+```
+
+## Traditional Usage
+
+From the project root directory:
+
+```bash
+# Build and start services
+docker compose -f docker/docker-compose.yaml up -d
+
+# View logs
+docker compose -f docker/docker-compose.yaml logs
+
+# Stop services
+docker compose -f docker/docker-compose.yaml down
+```
+
+## Build Process
+
+The Dockerfile uses a multi-stage build:
+
+1. **Builder stage**: Installs dependencies and builds the React app
+2. **Production stage**: Serves the built app with nginx
+
+## Services
+
+- **frontend**: React application served by nginx
+- **couchdb**: Database for medication and user data
+
+Both services include health checks and proper security configurations.