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README-custom-domain.md

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Custom Domain icgpt.onicai.com

IC Custom Domain Docs

One time steps to use the custom domain icgpt.onicai.com :

  1. Define the DNS records as described in step 1 of IC Custom Domain Docs

    You can verify everything is propagating with "dig":

    % dig CNAME icgpt.onicai.com
;; ANSWER SECTION:
icgpt.onicai.com.     3600    IN      CNAME   icp1.io.

% dig CNAME _acme-challenge.icgpt.onicai.com
;; ANSWER SECTION:
_acme-challenge.icgpt.onicai.com. 3600 IN CNAME _acme-challenge.icgpt.onicai.com.icp2.io.

% dig TXT _canister-id.icgpt.onicai.com
;; ANSWER SECTION:
_canister-id.icgpt.onicai.com. 3600 IN TXT    "4v3v2-lyaaa-aaaag-abzna-cai"

  2. Created this file src/frontend/domain-info/.well-known/ic-domains:

icgpt.onicai.com
icgpt.icpp.world

Notes:

  • we will keep both domains active for now
  • Instead of a file domain-info/.ic-assets.json as explained in the docs, I added this content to src/frontend/src/.ic-assets.json5:
{
  "match": ".well-known",
  "ignore": false
},

Note that the name domain-info is something I chose.

  1. Updated the CopyPlugin of webpack.config.js to copy these files into the dist/frontend folder during build.

  2. Deploy & verify that files are included in dist/frontend during build:

# First deploy these local, so all bindings are created
dfx start --clean
dfx deploy internet_identity
dfx deploy canister_frontend

# Then deploy to ic
dfx deploy --ic canister_frontend
  1. Initiate the registration of domain with IC this command & check that the output looks similar as:
$ curl -sLv -X POST \
    -H 'Content-Type: application/json' \
    https://ic0.app/registrations \
    --data @- <<EOF
{
    "name": "icgpt.onicai.com"
}
EOF

...
* Connection #0 to host ic0.app left intact
{"id":"xxx..."}
  1. Query the status, using the REQUEST_ID: (You might need to repeat this several times before everything is 'approved')
$ curl -sLv -X GET \
    https://ic0.app/registrations/xxx
...
# once approved
* Connection #0 to host ic0.app left intact
{"name":"icgpt.onicai.com","canister":"4v3v2-lyaaa-aaaag-abzna-cai","state":"Available"}