InfluxDB 2.2: using api with curl fails in init-script

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Hello,
I use influxDB 2.2 in a docker-compose stack and I have an unexpected behaviour when doing initialisation with an init-script. Doing initialisation with InfluxCLI works all-right in an init-script. When I try to do the same initialisation by api and curl in that init-script the curl calls fail with the message:
` curl: (7) Failed to connect to localhost port 8086: Connection refused`
When I run the init-script later manually or in another container, the curl call to the api work all right. In InfluxDB 1.x, using api and curl in init-skripts worked all right.
Am I doing something wrong or is this the expected behaviour in InfluxDB 2.x?

best regards, Philipp

No repository file or test is named. Start by reproducing the reported docker-compose init-script flow with the curl API calls, then compare it with the InfluxCLI path and a later manual run. Done means determining whether the connection refusal is expected in this startup sequence or identifying the initialization behavior that must change.

Written by the indexing model from the issue text.