could not get certificate from issuer

[metacoma]

Unfortunately, not working out of the box

$ docker-compose logs -f 
caddy           | 2023/03/20 18:46:05.234       ERROR   http.acme_client        challenge failed        {"identifier": "api.headscale.193-110-48-10.nip.io", "challenge_type": "http-01", "problem": {"type": "", "title": "", "detail": "", "instance": "", "subproblems": []}}
caddy           | 2023/03/20 18:46:05.234       ERROR   http.acme_client        validating authorization        {"identifier": "api.headscale.193-110-48-10.nip.io", "problem": {"type": "", "title": "", "detail": "", "instance": "", "subproblems": []}, "order": "https://acme.zerossl.com/v2/DV90/order/K2aZ8VMUwyX408D65X584Q", "attempt": 1, "max_attempts": 3}
caddy           | 2023/03/20 18:46:05.234       ERROR   tls.obtain      could not get certificate from issuer   {"identifier": "api.headscale.193-110-48-10.nip.io", "issuer": "acme.zerossl.com-v2-DV90", "error": "HTTP 0  - "}
caddy           | 2023/03/20 18:46:05.234       ERROR   tls.obtain      will retry      {"error": "[api.headscale.193-110-48-10.nip.io] Obtain: [api.headscale.193-110-48-10.nip.io] solving challenge: api.headscale.193-110-48-10.nip.io: [api.headscale.193-110-48-10.nip.io] authorization failed: HTTP 0  -  (ca=https://acme.zerossl.com/v2/DV90)", "attempt": 3, "retrying_in": 120, "elapsed": 193.08006434, "max_duration": 2592000}
caddy           | 2023/03/20 18:46:21.240       ERROR   http.acme_client        challenge failed        {"identifier": "dashboard.headscale.193-110-48-10.nip.io", "challenge_type": "http-01", "problem": {"type": "", "title": "", "detail": "", "instance": "", "subproblems": []}}
caddy           | 2023/03/20 18:46:21.240       ERROR   http.acme_client        validating authorization        {"identifier": "dashboard.headscale.193-110-48-10.nip.io", "problem": {"type": "", "title": "", "detail": "", "instance": "", "subproblems": []}, "order": "https://acme.zerossl.com/v2/DV90/order/3irtmxPESmHhsIDyqmtRTg", "attempt": 1, "max_attempts": 3}
caddy           | 2023/03/20 18:46:21.240       ERROR   tls.obtain      could not get certificate from issuer   {"identifier": "dashboard.headscale.193-110-48-10.nip.io", "issuer": "acme.zerossl.com-v2-DV90", "error": "HTTP 0  - "}
caddy           | 2023/03/20 18:46:21.240       ERROR   tls.obtain      will retry      {"error": "[dashboard.headscale.193-110-48-10.nip.io] Obtain: [dashboard.headscale.193-110-48-10.nip.io] solving challenge: dashboard.headscale.193-110-48-10.nip.io: [dashboard.headscale.193-110-48-10.nip.io] authorization failed: HTTP 0  -  (ca=https://acme.zerossl.com/v2/DV90)", "attempt": 3, "retrying_in": 120, "elapsed": 209.086702387, "max_duration": 2592000}