:8884

reverse_proxy h2c://localhost:8080

reverse_proxy unix+h2c//run/app.sock
----------
{
	"apps": {
		"http": {
			"servers": {
				"srv0": {
					"listen": [
						":8884"
					],
					"routes": [
						{
							"handle": [
								{
									"handler": "reverse_proxy",
									"transport": {
										"protocol": "http",
										"versions": [
											"h2c",
											"2"
										]
									},
									"upstreams": [
										{
											"dial": "localhost:8080"
										}
									]
								},
								{
									"handler": "reverse_proxy",
									"transport": {
										"protocol": "http",
										"versions": [
											"h2c",
											"2"
										]
									},
									"upstreams": [
										{
											"dial": "unix//run/app.sock"
										}
									]
								}
							]
						}
					]
				}
			}
		}
	}
}