mike-jumper commented on code in PR #1119:
URL: https://github.com/apache/guacamole-client/pull/1119#discussion_r2404976531
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Dockerfile:
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@@ -99,8 +99,11 @@ USER guacamole
# Environment variable defaults
ENV BAN_ENABLED=true \
ENABLE_FILE_ENVIRONMENT_PROPERTIES=true \
- GUACAMOLE_HOME=/etc/guacamole
+ GUACAMOLE_HOME=/etc/guacamole \
+ HEALTH_CHECK_VALVE_ENABLED=true
# Start Guacamole under Tomcat, listening on 0.0.0.0:8080
EXPOSE 8080
+HEALTHCHECK --interval=60s --timeout=10s --start-period=30s \
+ CMD curl --fail --silent --show-error http://localhost:8080/health || exit
1
Review Comment:
We could move the healthcheck implementation into a script and run _that_
instead of directly running `curl`:
```Dockerfile
HEALTHCHECK --interval=60s --timeout=10s --start-period=30s \
CMD [ "/opt/guacamole/bin/healthcheck.sh" ]
```
That would allow the script to deal with pinging
`http://localhost:8080/health` only if `HEALTH_CHECK_VALVE_ENABLED` is `true`,
simply succeeding if not. It would also avoid invoking `curl` unnecessarily,
and would give a future point of expansion if we implement additional checks.
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