Do healthcheck more frequently at startup

[davidyuk]

This PR is supported by the Æternity Foundation

Before this PR:

$ docker compose up node -d --wait
[+] Running 1/1
 ✔️ Container aepp-sdk-js-node-1  Healthy 30.9s

With --start-period=10s --start-interval=2s:

$ docker compose up node -d --wait
[+] Running 1/1
 ✔️ Container aepp-sdk-js-node-1  Healthy 3.4s

With --start-period=5s --start-interval=1s:

$ docker compose up node -d --wait
[+] Running 1/1
 ✔️ Container aepp-sdk-js-node-1  Healthy 3.2s

https://docs.docker.com/reference/dockerfile/#healthcheck
related aeternity/aesophia_http#133

[dincho]

Please note:

start interval is the time between health checks during the start period. This option requires Docker Engine version 25.0 or later.

That's a bit on the edge :)

[davidyuk]

Ok, let's wait a bit then. I found a workaround:

    healthcheck:
      interval: 2s

in docker-compose.yml