b9a9bee0b9
- Consolidated and simplified Swarm example README to focus on YAML header comments for documentation. - Removed redundant and extended sections, replacing with concise steps for getting started. - Standardized YAML headers across `easyhaproxy.yml`, `services.yml`, and `portainer.yml` with a clearer and more readable format. - Enhanced user guidance for deployment, setup requirements, verification, and cleanup.
72 lines
2 KiB
YAML
72 lines
2 KiB
YAML
# ==============================================================================
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# EXAMPLE: Load Balancing with Multiple Container Replicas
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# ==============================================================================
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#
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# WHAT THIS DEMONSTRATES:
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# - Multiple container replicas behind a single domain
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# - Round-robin load balancing across replicas
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# - Domain redirect functionality
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# - Custom port configuration
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#
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# REQUIREMENTS (run these first):
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# ```bash
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# # No special requirements - this example runs on localhost:19901
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# ```
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#
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# HOW TO START:
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# ```bash
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# docker compose -f docker-compose-multi-containers.yml up -d
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# ```
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#
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# HOW TO VERIFY IT'S WORKING:
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# ```bash
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# # Test load balancing - hostname should alternate between containers
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# curl -H "Host: www.helloworld.com" localhost:19901
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# # Expected: Container ID (e.g., f6d8d45b7411)
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# curl -H "Host: www.helloworld.com" localhost:19901
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# # Expected: Different container ID (e.g., 59b213cb8592)
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#
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# # Test domain redirect
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# curl -I -H "Host: google.helloworld.com" localhost:19901
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# # Expected: HTTP/1.1 301 Moved Permanently, Location: www.google.com/
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#
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# # View HAProxy stats
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# # URL: http://localhost:1936
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# # Username: admin
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# # Password: password
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# # You should see 2 backend servers
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# ```
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#
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# CLEAN UP:
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# ```bash
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# docker compose -f docker-compose-multi-containers.yml down
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# ```
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#
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# ==============================================================================
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services:
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haproxy:
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image: byjg/easy-haproxy:4.6.0
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volumes:
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- /var/run/docker.sock:/var/run/docker.sock
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environment:
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EASYHAPROXY_DISCOVER: docker
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HAPROXY_CUSTOMERRORS: "true"
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HAPROXY_USERNAME: admin
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HAPROXY_PASSWORD: password
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HAPROXY_STATS_PORT: 1936
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ports:
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- 19901:19901
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nginx:
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#image: nginx
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image: stenote/nginx-hostname
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deploy:
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replicas: 2
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labels:
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easyhaproxy.http.redirect: '{"google.helloworld.com": "www.google.com"}'
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easyhaproxy.http.host: www.helloworld.com
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easyhaproxy.http.port: 19901
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easyhaproxy.http.localport: 80
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