Add Docker deployment setup with health check endpoint

- Add multi-stage Dockerfile with standalone Next.js output
- Add docker-compose.yml with Caddy reverse proxy
- Add nginx configs for local and SSL setups
- Add Caddyfile for automatic HTTPS
- Add docker-entrypoint.sh for runtime config
- Add .env.example and .dockerignore
- Add comprehensive Docker README
- Add /api/health endpoint for container health checks
- Configure next.config.ts for standalone output
This commit is contained in:
Christomatt
2026-01-31 03:53:19 +01:00
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# Synapsis Docker Production Deployment
One-command Docker deployment for Synapsis that solves the "user modifies file and breaks git sync" problem.
## 🚀 Quick Start
```bash
cd /var/www/Synapsis/docker
# 1. Copy and edit environment variables
cp .env.example .env
nano .env # Edit all required values
# 2. Start the stack
docker-compose up -d
# 3. Check logs
docker-compose logs -f
```
Your Synapsis instance will be available at `http://localhost` (or your configured domain).
---
## 📋 Server Requirements
| Resource | Minimum | Recommended |
|----------|---------|-------------|
| RAM | 2 GB | 4 GB |
| CPU | 2 cores | 4 cores |
| Disk | 20 GB SSD | 50 GB SSD |
| OS | Ubuntu 22.04/24.04, Debian 12, or compatible |
### Required Software
- Docker 24.0+
- Docker Compose 2.20+
### Installation (Ubuntu/Debian)
```bash
# Install Docker
curl -fsSL https://get.docker.com | sh
sudo usermod -aG docker $USER
newgrp docker
# Verify
docker --version
docker-compose --version
```
---
## 🔧 Configuration
### 1. Environment Variables
Copy `.env.example` to `.env` and configure:
```bash
cd /var/www/Synapsis/docker
cp .env.example .env
```
**Required settings:**
- `DOMAIN` - Your domain name (e.g., `synapsis.example.com`)
- `DB_PASSWORD` - Strong database password
- `AUTH_SECRET` - Generate with `openssl rand -hex 32`
- `ADMIN_EMAILS` - Admin user email(s)
- `STORAGE_*` - S3-compatible storage credentials
### 2. SSL/HTTPS Setup
#### Option A: Let's Encrypt (Recommended)
1. Start with HTTP first:
```bash
docker-compose up -d
```
2. Obtain SSL certificates:
```bash
docker run -it --rm \
-v ./certbot_data:/etc/letsencrypt \
-v ./certbot_www:/var/www/certbot \
-p 80:80 \
certbot/certbot certonly \
--standalone \
-d your-domain.com
```
3. Enable SSL configuration:
```bash
cd nginx/conf.d
mv default.conf default.conf.http
mv default.conf.ssl default.conf
# Edit default.conf and replace ${DOMAIN} with your actual domain
docker-compose restart nginx
```
4. Uncomment the certbot service in docker-compose.yml for auto-renewal.
#### Option B: Custom SSL Certificates
Place your certificates in `./certbot_data/live/your-domain.com/`:
- `fullchain.pem`
- `privkey.pem`
---
## 🔄 Updates
### Standard Update Process
```bash
cd /var/www/Synapsis/docker
# 1. Pull latest changes
git pull origin main
# 2. Rebuild and restart
docker-compose down
docker-compose pull # If using pre-built images
docker-compose up -d --build
# 3. Run migrations (if needed)
docker-compose exec app npx drizzle-kit push
# 4. Verify
docker-compose ps
docker-compose logs -f app
```
### One-Command Update Script
Create `update.sh`:
```bash
#!/bin/bash
cd /var/www/Synapsis/docker
git pull origin main
docker-compose down
docker-compose up -d --build
docker-compose exec -T app npx drizzle-kit push || true
echo "✅ Update complete!"
```
---
## 📁 Directory Structure
```
/var/www/Synapsis/docker/
├── docker-compose.yml # Main orchestration file
├── Dockerfile # Multi-stage build
├── docker-entrypoint.sh # Startup script
├── .env # Your environment variables
├── .env.example # Template
├── .dockerignore # Build exclusions
├── nginx/
│ ├── nginx.conf # Main Nginx config
│ └── conf.d/
│ ├── default.conf # HTTP config
│ └── default.conf.ssl # HTTPS config
└── README.md # This file
```
---
## 🛠️ Management Commands
### View Logs
```bash
docker-compose logs -f app # Application logs
docker-compose logs -f nginx # Nginx logs
docker-compose logs -f postgres # Database logs
docker-compose logs -f # All logs
```
### Database Operations
```bash
# Access database shell
docker-compose exec postgres psql -U synapsis -d synapsis
# Backup database
docker-compose exec postgres pg_dump -U synapsis synapsis > backup.sql
# Restore database
docker-compose exec -T postgres psql -U synapsis -d synapsis < backup.sql
# Run migrations manually
docker-compose exec app npx drizzle-kit push
```
### Container Management
```bash
# Restart services
docker-compose restart app
docker-compose restart nginx
# Stop everything
docker-compose down
# Stop and remove volumes (⚠️ destroys data!)
docker-compose down -v
# View running containers
docker-compose ps
# Enter container shell
docker-compose exec app sh
docker-compose exec postgres sh
```
---
## 🔒 Security Features
This Docker setup includes:
- **Immutable source code** - Application runs from image, not bind-mounted files
- **Non-root execution** - App runs as unprivileged user
- **Network isolation** - Services communicate via internal Docker network
- **Rate limiting** - Nginx protects against brute force attacks
- **Security headers** - X-Frame-Options, X-Content-Type-Options, etc.
- **Resource limits** - Memory constraints on all containers
- **Health checks** - Automatic container health monitoring
---
## 🔍 Troubleshooting
### Container won't start
```bash
# Check for configuration errors
docker-compose config
# View detailed logs
docker-compose logs app --tail=100
```
### Database connection failed
```bash
# Check database is healthy
docker-compose ps
# Verify environment variables
docker-compose exec app env | grep DATABASE
```
### SSL certificate issues
```bash
# Test SSL configuration
docker-compose exec nginx nginx -t
# Check certificate files
ls -la certbot_data/live/
```
### Port already in use
```bash
# Find process using port 80/443
sudo netstat -tlnp | grep :80
# Change ports in docker-compose.yml if needed
```
---
## 📊 Monitoring
### Health Checks
- App: `http://your-domain/api/health`
- Nginx: `http://your-domain/nginx-health`
### Resource Usage
```bash
# Container stats
docker stats
# Disk usage
docker system df
```
---
## 💾 Backup Strategy
### Automated Backup Script
Create `/var/www/Synapsis/docker/backup.sh`:
```bash
#!/bin/bash
BACKUP_DIR="/var/backups/synapsis"
DATE=$(date +%Y%m%d_%H%M%S)
mkdir -p $BACKUP_DIR
# Database backup
docker-compose exec -T postgres pg_dump -U synapsis synapsis > "$BACKUP_DIR/db_$DATE.sql"
# Uploads backup
tar -czf "$BACKUP_DIR/uploads_$DATE.tar.gz" -C /var/lib/docker/volumes/synapsis_uploads_data/_data .
# Keep only last 7 days
find $BACKUP_DIR -type f -mtime +7 -delete
echo "✅ Backup complete: $DATE"
```
Add to crontab:
```bash
0 2 * * * /var/www/Synapsis/docker/backup.sh >> /var/log/synapsis-backup.log 2>&1
```
---
## 📞 Support
For issues or questions:
1. Check logs: `docker-compose logs -f`
2. Review configuration: `docker-compose config`
3. Consult the main Synapsis documentation
---
## 📝 License
This Docker configuration follows the same license as Synapsis (Apache 2.0).