#announcements
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brief-traffic-36675
05/19/2023, 8:34 PMFrom inside the container:
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curl <http://localhost:3100>
{"name":"GrowthBook API","production":true,"api_host":"<http://localhost:3100>","app_origin":"<https://localhost:3000>","config_source":"db","email_enabled":false,"build":{"sha":"cf216ccc76a9d54e4bd793781e3e1d2e45385548","date":"2023-05-18T14:47:09Z"}}root@growthbook-api-web-685f59dbdf-fgxvn:/usr/local/src/app#f
fresh-football-47124
05/20/2023, 1:45 AM
Are you getting a CORS error or any other message in console?
you can set an environment variable: CORS_ORIGIN_REGEX to match the domains GrowthBook is running on
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brief-traffic-36675
05/20/2023, 6:19 AMI mage the change that @happy-autumn-40938 suggested using
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APP_ORIGIN: <https://my.growthbook.mydomain.com>
API_HOST: <https://my.growthbook.mydomain.com>The question is: the front end is trying to connect to the backend using the value of
API_HOST<http://localhost:3100>f
fresh-football-47124
05/20/2023, 7:33 AM
using the same value for APP_ORIGIN and API_HOST wont work
it will send api request to itself - which will return html, as you’re seeing there
I think you were very close to getting it to work
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brief-traffic-36675
05/20/2023, 7:58 AMSo given that the instance is exposed at
<https://my.growthbook.mydomain.com>API_HOSTAPP_ORIGINf
fresh-football-47124
05/20/2023, 9:06 PM
The API_HOST must be a routable address to the api container from the front end app. The APP_ORIGIN is used for the CORS headers to make sure the request from the front end is from the right host.
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