Deployment¶

# Create service directory
mkdir -p /opt/homelab/services/new_service
cd /opt/homelab/services/new_service

# Create docker-compose.yml
cat > docker-compose.yml << 'EOF'
version: '3.8'

services:
  new_service:
    image: image:tag
    container_name: new_service
    restart: unless-stopped
    environment:
      - ENV_VAR=value
    volumes:
      - new_service_data:/data
    networks:
      - caddy
    mem_limit: 256m
    mem_reservation: 128m

networks:
  caddy:
    external: true

volumes:
  new_service_data:
    driver: local
EOF

# Deploy service
docker compose up -d

# Verify deployment
docker ps | grep new_service
curl -I https://new_service.brennan.page

# Navigate to service directory
cd /opt/homelab/services/service_name

# Pull new image
docker compose pull

# Update service
docker compose up -d

# Verify update
docker ps | grep service_name
curl -I https://service.brennan.page

# Navigate to service directory
cd /opt/homelab/services/service_name

# Check current image
docker images | grep service_name

# Rollback to previous version
docker compose pull image:previous_tag
docker compose up -d

# Verify rollback
docker ps | grep service_name

# Check service health
docker ps --format "table {{.Names}}\t{{.Status}}\t{{.Health}}"

# Check health endpoint
curl -f https://service.brennan.page/health

#!/bin/bash
# deploy-service.sh

SERVICE_NAME=$1
SERVICE_DIR="/opt/homelab/services/$SERVICE_NAME"

# Check if service exists
if [ ! -d "$SERVICE_DIR" ]; then
    echo "Service directory not found: $SERVICE_DIR"
    exit 1
fi

# Backup current configuration
cd "$SERVICE_DIR"
cp docker-compose.yml docker-compose.yml.backup

# Pull new image
echo "Pulling new image..."
docker compose pull

# Update service
echo "Updating service..."
docker compose up -d

# Verify deployment
echo "Verifying deployment..."
sleep 10
if docker ps | grep -q "$SERVICE_NAME"; then
    echo "Deployment successful"
else
    echo "Deployment failed, rolling back..."
    docker compose down
    cp docker-compose.yml.backup docker-compose.yml
    docker compose up -d
fi

#!/bin/bash
# update-all-services.sh

# Update all services
for service in /opt/homelab/services/*/; do
    if [ -f "$service/docker-compose.yml" ]; then
        service_name=$(basename "$service")
        echo "Updating $service_name..."
        cd "$service"
        docker compose pull
        docker compose up -d
    fi
done

# Verify all services
docker ps

# Check image availability
docker pull image:tag

# Check Docker Hub status
curl -I https://hub.docker.com

# Use alternative registry
docker pull registry.example.com/image:tag

# Check port usage
netstat -tulpn | grep :port

# Change port in docker-compose.yml
ports:
  - "8081:80"  # Use different port

# Check resource usage
docker stats --no-stream

# Increase memory limit
docker update service_name --memory=512m

# Check network connectivity
docker exec service_name ping postgresql

# Check network configuration
docker network ls
docker network inspect network_name

# Check service status
docker ps | grep service_name

# Check service logs
docker logs service_name --tail 20

# Test service endpoint
curl -I https://service.brennan.page

# Test service functionality
curl -X POST https://service.brennan.page/api/test

# Test database connectivity
docker exec service_name ping postgresql

# Test network connectivity
docker exec caddy curl -f http://service_name:port