caddy/caddytest/integration/caddyfile_adapt/reverse_proxy_port_range.txt

:8884 {
	# Port range
	reverse_proxy localhost:8001-8002

	# Port range with placeholder
	reverse_proxy {host}:8001-8002

	# Port range with scheme
	reverse_proxy https://localhost:8001-8002
}
----------
{
	"apps": {
		"http": {
			"servers": {
				"srv0": {
					"listen": [
						":8884"
					],
					"routes": [
						{
							"handle": [
								{
									"handler": "reverse_proxy",
									"upstreams": [
										{
											"dial": "localhost:8001"
										},
										{
											"dial": "localhost:8002"
										}
									]
								},
								{
									"handler": "reverse_proxy",
									"upstreams": [
										{
											"dial": "{http.request.host}:8001"
										},
										{
											"dial": "{http.request.host}:8002"
										}
									]
								},
								{
									"handler": "reverse_proxy",
									"transport": {
										"protocol": "http",
										"tls": {}
									},
									"upstreams": [
										{
											"dial": "localhost:8001"
										},
										{
											"dial": "localhost:8002"
										}
									]
								}
							]
						}
					]
				}
			}
		}
	}
}