Collection of Docker Compose Configuration

Set Static IP Addresses for Services

In Docker Compose, you can assign static IP addresses to your containers within a custom network. This ensures consistent communication between services, especially when specific IP addresses are required. Docker Compose Network

💡 Tip: Use a unique subnet (e.g., 172.99.0.0/24) to avoid conflicts with existing networks. Verify active Docker networks by running:

docker network ls

---

Configuration Example

version: '3.9'

services:
  app:
    image: your-app-image
    container_name: app_service
    ...
    networks:
      example_network:
        ipv4_address: 172.99.0.10

  db:
    image: your-db-image
    container_name: db_service
    ...
    networks:
      example_network:
        ipv4_address: 172.99.0.2

  nginx:
    image: nginx:latest
    container_name: nginx_service
    ...
    networks:
      example_network:
        ipv4_address: 172.99.0.3

networks:
  example_network:
    driver: bridge
    ipam:
      config:
        - subnet: 172.99.0.0/24
    external: false