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Development Notes

Building

docker build .

Running

With a few flags for example:

docker run \
  -e DEBUG_GENERATED_OTEL_CONFIG=true \
  -e PROCESSOR_RESOURCE_SERVICE_NAME_DISABLED=true \
  -e OTEL_ECS_CONTAINER_METRICS_DISABLED=true \
  -e MERGED_OTEL_CONFIG='{"receivers": {"prometheus": {"config": {"global": {"scrape_interval": "15s"}}}}}' \
  <image_here>

Adding New Variables

If adding a new boolean flag, make sure to use --data-value-yaml over --data-value to ensure the value is correctly interpreted as a boolean.

All values are mapped into ytt via entry.sh. Use DEBUG_GENERATED_OTEL_CONFIG to debug the ytt output.

ytt, the template generator, can be installed locally on Mac via Brew (ref):

brew tap carvel-dev/carvel
brew install ytt