github.com/mholt/caddy-l4@v0.0.0-20241104153248-ec8fae209322/integration/caddyfile_adapt/gd_handler_proxy.caddytest

{
	layer4 {
		0.0.0.0:8765 {
			route {
				proxy {
					health_interval 1s
					health_port 8080
					health_timeout 2s
					fail_duration 5s
					max_fails 10
					unhealthy_connection_count 5
					lb_policy round_robin
					lb_try_duration 5s
					lb_try_interval 15s
					proxy_protocol v2
					upstream 10.0.0.1:8080
					upstream 10.0.0.2:8080 10.0.0.2:8888
				}
			}
		}
		0.0.0.0:9876 {
			route {
				proxy {
					lb_policy random_choose 2
					upstream {
						dial 10.0.0.3:443 10.0.0.33:443
						max_connections 2
						tls
					}
					upstream {
						dial 10.0.0.4:443 10.0.0.44:443
						max_connections 4
						tls_insecure_skip_verify
						tls_renegotiation once
					}
				}
			}
		}
	}
}
----------
{
	"apps": {
		"layer4": {
			"servers": {
				"srv0": {
					"listen": [
						"0.0.0.0:8765"
					],
					"routes": [
						{
							"handle": [
								{
									"handler": "proxy",
									"health_checks": {
										"active": {
											"interval": 1000000000,
											"port": 8080,
											"timeout": 2000000000
										},
										"passive": {
											"fail_duration": 5000000000,
											"max_fails": 10,
											"unhealthy_connection_count": 5
										}
									},
									"load_balancing": {
										"selection": {
											"policy": "round_robin"
										},
										"try_duration": 5000000000,
										"try_interval": 15000000000
									},
									"proxy_protocol": "v2",
									"upstreams": [
										{
											"dial": [
												"10.0.0.1:8080"
											]
										},
										{
											"dial": [
												"10.0.0.2:8080",
												"10.0.0.2:8888"
											]
										}
									]
								}
							]
						}
					]
				},
				"srv1": {
					"listen": [
						"0.0.0.0:9876"
					],
					"routes": [
						{
							"handle": [
								{
									"handler": "proxy",
									"load_balancing": {
										"selection": {
											"choose": 2,
											"policy": "random_choose"
										}
									},
									"upstreams": [
										{
											"dial": [
												"10.0.0.3:443",
												"10.0.0.33:443"
											],
											"max_connections": 2,
											"tls": {}
										},
										{
											"dial": [
												"10.0.0.4:443",
												"10.0.0.44:443"
											],
											"max_connections": 4,
											"tls": {
												"insecure_skip_verify": true,
												"renegotiation": "once"
											}
										}
									]
								}
							]
						}
					]
				}
			}
		}
	}
}