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Spring Boilerplate

Building

Build using buildx bake:

docker buildx bake (From the project root)

Observability

Commands to test open telemetry locally

Remember to set up a docker network

docker network create telemetry

Running Jaeger to test open telemetry spans

docker run -d \
--name jaeger \
--hostname jaeger \
--network telemetry \
-e COLLECTOR_OTLP_ENABLED=true \
-p 16686:16686 \
 -p 4317:4317 \
 -p 4318:4318 \
jaegertracing/all-in-one

Or, running the open telemetry collector:

docker run -d \
--name collector \
--hostname collector \
--network telemetry \
--mount type=bind,src=$(pwd)/config.yaml,target=/etc/otelcol-contrib/config.yaml \
--mount type=bind,src=/var/run/docker.sock,target=/var/run/docker.sock \
-p 4317:4317 \
otel/opentelemetry-collector-contrib

Running application

Connecting to the collector: (docker)

docker run -d \
--name spring-app \
--hostname spring-app \
--network telemetry \
-e OTEL_EXPORTER_OTLP_ENDPOINT="http://collector:4317" \
-p 8080:8080 \
spring-app

Honeycomb.io: (on host)

OTEL_SERVICE_NAME=spring-service OTEL_EXPORTER_OTLP_HEADERS=x-honeycomb-team=$HONEYCOMB_API_KEY OTEL_EXPORTER_OTLP_ENDPOINT=https://api.honeycomb.io java -javaagent:opentelemetry-javaagent.jar -jar target/*.jar