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task-board/DOCKER_FILES_SUMMARY.md
nika fartenadze 11f34cbc91 initial commit
2025-06-24 14:26:42 +04:00

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Docker Deployment Files Summary

This document summarizes all the Docker-related files created for deploying your Next.js Taskboard application.

Files Created

1. Dockerfile ✅ FIXED

  • Purpose: Multi-stage Docker image build configuration
  • Features:
    • Node.js 18 Alpine base image
    • FIXED: Proper dependency installation (all deps for build, production only for runtime)
    • FIXED: Prisma client generation with CLI available for migrations
    • FIXED: Curl installed for health checks
    • NEW: Automatic database migrations on startup
    • Security: Non-root user execution
    • Health checks included
    • Optimized for production

2. docker-compose.yml ✅ UPDATED

  • Purpose: Local development and testing with Docker Compose
  • Services:
    • PostgreSQL database with health checks
    • Next.js application with automatic migrations
    • REMOVED: Separate migration service (now integrated)
    • Proper networking with nginx-proxy-manager

3. portainer-stack.yml ✅ FIXED

  • Purpose: Production deployment configuration for Portainer
  • Features:
    • Uses pre-built Docker images from Docker Hub
    • FIXED: Removed problematic migration service
    • NEW: Migrations run automatically with app startup
    • Environment variable configuration
    • Volume persistence for data
    • Network integration with nginx-proxy-manager
    • Comprehensive logging configuration

4. .dockerignore

  • Purpose: Exclude unnecessary files from Docker build context
  • Benefits:
    • Faster build times
    • Smaller build context
    • Security (excludes sensitive files)

5. DEPLOYMENT.md ✅ UPDATED

  • Purpose: Comprehensive deployment guide
  • NEW Sections:
    • Detailed troubleshooting for all fixed issues
    • Migration process explanation
    • What's fixed section
    • Step-by-step verification process

6. src/app/api/health/route.ts

  • Purpose: Health check endpoint for Docker monitoring
  • Returns: Application status, uptime, and version info

7. Updated next.config.mjs

  • Change: Added output: 'standalone' for Docker optimization
  • Benefit: Creates a standalone Next.js build optimized for containers

✅ Issues Fixed

🚨 Critical Build Issues RESOLVED

1. Dependency Installation Problem

  • Issue: Using npm ci --only=production during build phase
  • Problem: Next.js build requires devDependencies (TypeScript, Tailwind, Prisma CLI)
  • Fix: Install all dependencies during build, production-only in final image

2. Prisma Migration Failures

  • Issue: Prisma CLI not available for migrations
  • Problem: Separate migration service wouldn't work in Portainer
  • Fix: Integrated migrations into app startup with Prisma CLI included

3. Health Check Failures

  • Issue: Using curl command without installing curl
  • Problem: Alpine images don't include curl by default
  • Fix: Explicitly install curl in Dockerfile

4. Portainer Compatibility Issues

  • Issue: Migration service using local file mounts
  • Problem: Portainer can't access local files like ./prisma
  • Fix: Removed separate migration service, integrated into main app

Key Features of This Docker Setup

🚀 Production Ready

  • Multi-stage builds for optimized image size
  • Non-root user execution for security
  • Health checks for monitoring
  • Proper logging configuration
  • NEW: Automatic database migrations

🔒 Security Focused

  • Minimal attack surface with Alpine Linux
  • Non-root container execution
  • Secure environment variable handling
  • Network isolation

📊 Monitoring & Logging

  • Health check endpoints
  • Structured logging with rotation
  • Container health monitoring
  • Error tracking capabilities
  • NEW: Migration status logging

🔧 Easy Deployment

  • Manual build and push process
  • Portainer stack deployment
  • Uses existing .env configuration
  • Comprehensive documentation
  • NEW: Zero-configuration migrations

🌐 nginx-proxy-manager Integration

  • Seamless integration with existing proxy setup
  • SSL/TLS termination support
  • Domain-based routing
  • Let's Encrypt integration

Architecture Overview

Internet
    ↓
nginx-proxy-manager (SSL termination, domain routing)
    ↓
taskboard-app (Next.js application on port 3000)
    ↓ (automatic migration on startup)
taskboard-postgres (PostgreSQL database on port 5432)

How Migrations Work Now ✅

Startup Process:

  1. Container starts
  2. Runs database migrations automatically
  3. Starts Next.js application
  4. Health checks begin

Migration Command:

npx prisma migrate deploy || echo "Migration failed, but continuing..."

Logs to Monitor:

docker logs taskboard-app
# Will show:
# Running database migrations...
# Environment variables loaded from .env
# Prisma schema loaded from prisma/schema.prisma
# Starting application...

Networks

  • nginx-proxy-manager_default: External network for proxy access
  • taskboard-network: Internal network for app-database communication

Volumes

  • postgres_data: PostgreSQL data persistence
  • app_uploads: File uploads storage
  • app_logs: Application logs storage

Deployment Process ✅ SIMPLIFIED

# 1. Build image
docker build -t yourusername/taskboard:latest .

# 2. Push to Docker Hub
docker login
docker push yourusername/taskboard:latest

# 3. Deploy in Portainer
# - Copy portainer-stack.yml content
# - Set environment variables
# - Deploy stack

# 4. Verify
docker logs taskboard-app  # Check migration logs
curl https://yourdomain.com/api/health  # Test health

Environment Variables Required

Your existing .env file should contain these variables:

Variable Description Example Required
POSTGRES_PASSWORD Database password secure_password_123 ✅
NEXTAUTH_URL Application URL https://taskboard.yourdomain.com ✅
AUTH_SECRET NextAuth secret 32+ character random string ✅
DOCKER_IMAGE Docker image name yourusername/taskboard:latest ✅
VIRTUAL_HOST Domain for proxy taskboard.yourdomain.com ✅
LETSENCRYPT_HOST SSL certificate domain taskboard.yourdomain.com ✅
LETSENCRYPT_EMAIL Email for SSL cert admin@yourdomain.com ✅
AUTHENTIK_ID Authentik client ID your_client_id ❌
AUTHENTIK_SECRET Authentik client secret your_client_secret ❌

What Was Wrong Before vs Now ✅

Issue Before Now
Dependencies Production only during build ❌ All deps for build, production for runtime ✅
Migrations Separate failing service ❌ Integrated startup migrations ✅
Health Checks Missing curl command ❌ Curl properly installed ✅
Prisma CLI Not available ❌ Available for migrations ✅
Portainer Compatibility Local file mounts ❌ No local dependencies ✅

Support & Troubleshooting

Refer to DEPLOYMENT.md for:

  • Detailed deployment steps
  • Common issues and solutions (all issues fixed)
  • Security best practices
  • Backup procedures
  • NEW: Migration troubleshooting guide