Need help with Caddy config json for reverse proxy

1. Caddy version (v2.5.2):

2. How I run Caddy:

i follow tutorial here for installation Install — Caddy Documentation

a. System environment:

Armbian (debian) bullseye armv71 5.15.25-rk322x

b. Command:

Paste command here.

c. Service/unit/compose file:


d. My complete Caddyfile or JSON config:

{
  "apps": {
    "http": {
      "servers": {
        "srv0": {
          "listen": [
            ":443"
          ],
          "routes": [
            {
              "match": [
                {
                  "host": [
                    "user.mysite.ml",
					"192.168.1.180",
					"localhost",
					"127.0.0.1",
					"usertcp443.mysite.ml"
                  ]
                }
              ],
              "handle": [
                {
                  "handler": "subroute",
                  "routes": [
                    {
                      "handle": [
                        {
                          "handler": "vars",
                          "root": "/var/www/nextcloud"
                        },
                        {
                          "encodings": {
                            "gzip": {}
                          },
                          "handler": "encode",
                          "prefer": [
                            "gzip"
                          ]
                        }
                      ]
                    },
                    {
                      "handle": [
                        {
                          "handler": "static_response",
                          "headers": {
                            "Location": [
                              "{http.request.uri.path}/"
                            ]
                          },
                          "status_code": 308
                        }
                      ],
                      "match": [
                        {
                          "file": {
                            "try_files": [
                              "{http.request.uri.path}/index.php"
                            ]
                          },
                          "not": [
                            {
                              "path": [
                                "*/"
                              ]
                            }
                          ]
                        }
                      ]
                    },
                    {
                      "handle": [
                        {
                          "handler": "rewrite",
                          "uri": "{http.matchers.file.relative}"
                        }
                      ],
                      "match": [
                        {
                          "file": {
                            "split_path": [
                              ".php"
                            ],
                            "try_files": [
                              "{http.request.uri.path}",
                              "{http.request.uri.path}/index.php",
                              "index.php"
                            ]
                          }
                        }
                      ]
                    },
                    {
                      "handle": [
                        {
                          "handler": "reverse_proxy",
						  "upstreams": [
										{
											"host": "https://localhost:8080"
										}
                          "transport": {
                            "protocol": "fastcgi",
                            "split_path": [
                              ".php"
                            ]
                          },
                          "upstreams": [
                            {
                              "dial": "unix//run/php/php8.0-fpm.sock"
                            }
                          ]
                        }
                      ],
                      "match": [
                        {
                          "path": [
                            "*.php"
                          ]
                        }
                      ]
                    },
                    {
                      "handle": [
                        {
                          "handler": "file_server",
                          "hide": [
                            "/etc/caddy/Caddyfile"
                          ]
                        }
                      ]
                    }
                  ]
                }
              ],
              "terminal": true
            }
          ]
        }
      }
    }
  }
}

3. The problem I’m having:

im install nextcloud with caddy, i want use my domain with reverse proxy on my server. when i open my domain i got “This page isn’t working”(On browser) and got “your connection to this site is not secure”(On left url box) . Before that i try openmediavault with apache its working fine. But on caddy i got this problem also i confused about this reverse proxy config. Can anyone help me?

4. Error messages and/or full log output:

5. What I already tried:

error on browser here:

when i try curl i got this

* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
*  CAfile: /etc/ssl/certs/ca-certificates.crt
*  CApath: /etc/ssl/certs
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
* TLSv1.3 (IN), TLS handshake, Certificate (11):
* TLSv1.3 (IN), TLS handshake, CERT verify (15):
* TLSv1.3 (IN), TLS handshake, Finished (20):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / TLS_CHACHA20_POLY1305_SHA256
* ALPN, server accepted to use http/1.1
* Server certificate:
*  subject: CN=usertcp443.x.ml
*  start date: Jul 22 16:19:10 2022 GMT
*  expire date: Oct 20 16:19:09 2022 GMT
*  subjectAltName: host "usertcp443.x.ml" matched cert's "usertcp443.x.ml"
*  issuer: C=US; O=Let's Encrypt; CN=R3
*  SSL certificate verify ok.
> GET / HTTP/1.1
> Host: usertcp443.x.ml
> User-Agent: curl/7.74.0
> Accept: */*
>
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* TLSv1.3 (IN), TLS alert, close notify (256):
* Empty reply from server
* Closing connection 0
* TLSv1.3 (OUT), TLS alert, close notify (256):
curl: (52) Empty reply from server

Sorry i need censored my ip and my domain in curl result

6. Links to relevant resources:

About some installation and config i just follow here:
https://www.vultr.com/docs/how-to-install-nextcloud-on-ubuntu-17-04/