added docker setup

.dockerignore

@@ -0,0 +1,54 @@
+# Database files
+*.db
+*.db-shm
+*.db-wal
+
+# Binaries
+mealprep
+*.exe
+*.dll
+*.so
+*.dylib
+
+# Test and coverage files
+*.test
+*.out
+coverage.txt
+*.coverprofile
+
+# Documentation
+*.md
+*.txt
+IMPLEMENTATION_NOTES.txt
+SECURITY_REPORT.txt
+
+# Git
+.git
+.gitignore
+
+# IDE and editor files
+.vscode
+.idea
+*.swp
+*.swo
+*~
+.DS_Store
+
+# Logs
+*.log
+logs/
+
+# Temporary files
+tmp/
+temp/
+.env
+.env.local
+
+# Build artifacts
+dist/
+build/
+
+# Docker files (no need to include in image)
+Dockerfile
+docker-compose.yml
+.dockerignore

Dockerfile

@@ -0,0 +1,53 @@
+# Build stage
+FROM golang:1.21-bookworm AS builder
+
+# Install build dependencies
+RUN apt-get update && apt-get install -y \
+    gcc \
+    sqlite3 \
+    libsqlite3-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /build
+
+# Copy go mod files
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN CGO_ENABLED=1 go build -o mealprep -ldflags="-s -w" .
+
+# Runtime stage
+FROM debian:bookworm-slim
+
+# Install runtime dependencies
+RUN apt-get update && apt-get install -y \
+    ca-certificates \
+    sqlite3 \
+    libsqlite3-0 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create app directory and data directory
+WORKDIR /app
+RUN mkdir -p /app/data
+
+# Copy binary from builder
+COPY --from=builder /build/mealprep .
+
+# Copy static files
+COPY --from=builder /build/static ./static
+
+# Expose port
+EXPOSE 8080
+
+# Set environment variables
+ENV DB_PATH=/app/data/mealprep.db
+
+# Run the application
+CMD ["./mealprep"]

Makefile

@@ -1,10 +1,13 @@
-.PHONY: run build clean test deps install
+.PHONY: all run build clean test deps install docker-build docker-up docker-down docker-logs docker-restart docker-clean help
 
-# Run the application
+# Default target: build and start with Docker
+all: docker-up
+
+# Run the application locally
 run:
 	go run main.go
 
-# Build the binary
+# Build the binary locally
 build:
 	go build -o mealprep main.go
 
@@ -33,14 +36,95 @@ test:
 install:
 	go install
 
+# Docker: Build the Docker image
+docker-build:
+	docker build -t mealprep:latest .
+
+# Docker: Build and start containers
+docker-up:
+	docker compose up -d
+
+# Docker: Build and start with logs
+docker-up-logs:
+	docker compose up --build
+
+# Docker: Stop and remove containers
+docker-down:
+	docker compose down
+
+# Docker: View logs
+docker-logs:
+	docker compose logs -f
+
+# Docker: Restart containers
+docker-restart:
+	docker compose restart
+
+# Docker: Stop containers
+docker-stop:
+	docker compose stop
+
+# Docker: Start containers
+docker-start:
+	docker compose start
+
+# Docker: Clean everything (containers, volumes, images)
+docker-clean:
+	docker compose down -v
+	docker rmi mealprep:latest 2>/dev/null || true
+
+# Docker: Rebuild and restart
+docker-rebuild:
+	docker compose down
+	docker compose build --no-cache
+	docker compose up -d
+
+# Docker: Shell into container
+docker-shell:
+	docker exec -it mealprep-app /bin/sh
+
+# Docker: Show container status
+docker-status:
+	docker compose ps
+
+# Deploy: Build and deploy to production
+deploy: docker-build
+	@echo "Building and deploying to Docker server..."
+	docker compose up -d --build
+	@echo "Deployment complete!"
+
 # Show help
 help:
 	@echo "Available targets:"
-	@echo "  run       - Run the application"
-	@echo "  build     - Build the binary"
+	@echo ""
+	@echo "Default:"
+	@echo "  make / all    - Build and start with Docker (default)"
+	@echo ""
+	@echo "Local Development:"
+	@echo "  run           - Run the application locally"
+	@echo "  build         - Build the binary locally"
 	@echo "  deps          - Install dependencies"
 	@echo "  clean         - Remove binary and database"
 	@echo "  clean-db      - Remove only database"
+	@echo "  dev           - Run with auto-reload (requires air)"
 	@echo "  test          - Run tests"
 	@echo "  install       - Install binary to GOPATH"
+	@echo ""
+	@echo "Docker Commands:"
+	@echo "  docker-build      - Build the Docker image"
+	@echo "  docker-up         - Build and start containers in background"
+	@echo "  docker-up-logs    - Build and start with logs attached"
+	@echo "  docker-down       - Stop and remove containers"
+	@echo "  docker-logs       - View container logs"
+	@echo "  docker-restart    - Restart containers"
+	@echo "  docker-stop       - Stop containers"
+	@echo "  docker-start      - Start stopped containers"
+	@echo "  docker-clean      - Remove everything (containers, volumes, images)"
+	@echo "  docker-rebuild    - Rebuild from scratch and start"
+	@echo "  docker-shell      - Open shell in container"
+	@echo "  docker-status     - Show container status"
+	@echo ""
+	@echo "Deployment:"
+	@echo "  deploy        - Build and deploy to production"
+	@echo ""
 	@echo "  help          - Show this help message"

docker-compose.yml

@@ -0,0 +1,31 @@
+services:
+  mealprep:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: mealprep-app
+    ports:
+      - "8080:8080"
+    volumes:
+      - mealprep-data:/app/data
+    environment:
+      - DB_PATH=/app/data/mealprep.db
+    restart: unless-stopped
+    healthcheck:
+      test:
+        [
+          "CMD",
+          "wget",
+          "--quiet",
+          "--tries=1",
+          "--spider",
+          "http://localhost:8080/health",
+        ]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40s
+
+volumes:
+  mealprep-data:
+    driver: local

main.go

@@ -8,6 +8,7 @@ import (
 	"mealprep/database"
 	"mealprep/handlers"
 	"net/http"
+	"os"
 	"strings"
 )
 
@@ -15,8 +16,14 @@ func main() {
 	// Print startup banner
 	printBanner()
 
+	// Get database path from environment variable or use default
+	dbPath := os.Getenv("DB_PATH")
+	if dbPath == "" {
+		dbPath = "mealprep.db"
+	}
+
 	// Initialize database
-	if err := database.InitDB("mealprep.db"); err != nil {
+	if err := database.InitDB(dbPath); err != nil {
 		log.Fatalf("Failed to initialize database: %v", err)
 	}
 	defer database.DB.Close()
@@ -48,6 +55,12 @@ func main() {
 	})
 	http.HandleFunc("/logout", handlers.LogoutHandler)
 
+	// Health check endpoint (public, for Docker)
+	http.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte("OK"))
+	})
+
 	// Protected routes
 	http.HandleFunc("/", auth.RequireAuth(indexHandler))