Docker Compose Wildcard DNS

version: '3.8'

services:
  dnsmasq:
    image: ghcr.io/starburst997/docker-compose-wildcard:latest
    environment:
      WILDCARD_DOMAIN: myapp
      LOG_QUERIES: "yes"
    networks:
      default:
        ipv4_address: 172.21.0.253

  myapp:
    image: nginx:alpine
    # Now accessible at *.myapp

  client:
    image: alpine
    dns: 172.21.0.253
    # Can now resolve any.subdomain.myapp

networks:
  default:
    ipam:
      config:
        - subnet: 172.21.0.0/16

version: '3.8'

services:
  dnsmasq:
    image: ghcr.io/starburst997/docker-compose-wildcard:latest
    environment:
      WILDCARD_DOMAIN: minio.local
    networks:
      default:
        ipv4_address: 172.21.0.253

  minio:
    image: minio/minio
    environment:
      MINIO_DOMAIN: minio.local
    command: server /data
    # Buckets accessible at bucket.minio.local

  app:
    image: myapp
    dns: 172.21.0.253
    # Can use S3 virtual-host-style: bucket.minio.local

networks:
  default:
    ipam:
      config:
        - subnet: 172.21.0.0/16

version: '3.8'

services:
  dnsmasq:
    image: ghcr.io/starburst997/docker-compose-wildcard:latest
    environment:
      WILDCARD_DOMAIN: saas.local
    networks:
      default:
        ipv4_address: 172.21.0.253

  app:
    image: multitenant-app
    environment:
      WILDCARD_HOST: "*.saas.local"
    # Handles: tenant1.saas.local, tenant2.saas.local, etc.

  database:
    image: postgres
    dns: 172.21.0.253

networks:
  default:
    ipam:
      config:
        - subnet: 172.21.0.0/16