Added implementation

Makefile

@@ -0,0 +1,88 @@
+.PHONY: help build run clean test docker-build docker-run docker-push dev tidy
+
+# Variables
+APP_NAME=vaultwarden-api
+DOCKER_IMAGE=yourusername/$(APP_NAME)
+VERSION?=latest
+
+help: ## Show this help message
+	@echo "Available commands:"
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'
+
+tidy: ## Tidy and download Go modules
+	go mod tidy
+	go mod download
+
+build: tidy ## Build the application binary
+	@echo "Building $(APP_NAME)..."
+	CGO_ENABLED=0 go build -ldflags="-s -w" -o ./bin/$(APP_NAME) ./cmd/api
+	@echo "Build complete: ./bin/$(APP_NAME)"
+
+run: ## Run the application locally (requires .env file)
+	@echo "Starting $(APP_NAME)..."
+	@if [ ! -f .env ]; then \
+		echo "Error: .env file not found. Copy .env.example to .env and configure it."; \
+		exit 1; \
+	fi
+	@set -a && . ./.env && set +a && go run ./cmd/api/main.go
+
+dev: ## Run in development mode with auto-reload (requires air: go install github.com/cosmtrek/air@latest)
+	@if ! command -v air > /dev/null; then \
+		echo "Installing air for hot reload..."; \
+		go install github.com/cosmtrek/air@latest; \
+	fi
+	@if [ ! -f .env ]; then \
+		echo "Error: .env file not found. Copy .env.example to .env and configure it."; \
+		exit 1; \
+	fi
+	air
+
+test: ## Run tests
+	go test -v -race -coverprofile=coverage.out ./...
+	go tool cover -html=coverage.out -o coverage.html
+
+clean: ## Clean build artifacts
+	@echo "Cleaning..."
+	rm -rf ./bin
+	rm -f coverage.out coverage.html
+	go clean
+
+docker-build: ## Build Docker image
+	@echo "Building Docker image $(DOCKER_IMAGE):$(VERSION)..."
+	docker build -t $(DOCKER_IMAGE):$(VERSION) .
+	docker tag $(DOCKER_IMAGE):$(VERSION) $(DOCKER_IMAGE):latest
+	@echo "Docker image built successfully"
+
+docker-run: ## Run Docker container locally
+	@if [ ! -f .env ]; then \
+		echo "Error: .env file not found. Copy .env.example to .env and configure it."; \
+		exit 1; \
+	fi
+	docker run --rm -it \
+		--env-file .env \
+		-p 8080:8080 \
+		--name $(APP_NAME) \
+		$(DOCKER_IMAGE):latest
+
+docker-push: docker-build ## Push Docker image to registry
+	@echo "Pushing Docker image $(DOCKER_IMAGE):$(VERSION)..."
+	docker push $(DOCKER_IMAGE):$(VERSION)
+	docker push $(DOCKER_IMAGE):latest
+	@echo "Docker image pushed successfully"
+
+docker-compose-up: ## Start services with docker-compose
+	@if [ ! -f .env ]; then \
+		echo "Error: .env file not found. Copy .env.example to .env and configure it."; \
+		exit 1; \
+	fi
+	docker-compose up -d
+
+docker-compose-down: ## Stop services with docker-compose
+	docker-compose down
+
+docker-compose-logs: ## View docker-compose logs
+	docker-compose logs -f
+
+generate-api-key: ## Generate a random API key
+	@echo "Generated API key:"
+	@openssl rand -base64 32