feat: add service discovery, OTel instrumentation, and k6 load tests (#1)

overlays/otel/kustomization.yaml

@@ -0,0 +1,15 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+- ../deploy
+patches:
+- target:
+    kind: Deployment
+    name: reno-realworld-5
+  patch: "apiVersion: apps/v1\nkind: Deployment\nmetadata:\n  name: reno-realworld-5\n\
+    spec:\n  template:\n    metadata:\n      annotations:\n        instrumentation.opentelemetry.io/inject-nodejs:\
+    \ monitoring/otel-instrumentation\n    spec:\n      containers:\n      - name:\
+    \ reno-realworld-5\n        env:\n        - name: OTEL_SERVICE_NAME\n        \
+    \  value: reno-realworld-5\n        - name: OTEL_EXPORTER_OTLP_ENDPOINT\n    \
+    \      value: http://otel-collector.monitoring.svc.cluster.local:4318\n      \
+    \  - name: OTEL_RESOURCE_ATTRIBUTES\n          value: app=reno-realworld-5\n"

overlays/otel/patches/otel-patch.yaml

@@ -0,0 +1,19 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: reno-realworld-5
+spec:
+  template:
+    metadata:
+      annotations:
+        instrumentation.opentelemetry.io/inject-nodejs: monitoring/otel-instrumentation
+    spec:
+      containers:
+      - name: reno-realworld-5
+        env:
+        - name: OTEL_SERVICE_NAME
+          value: reno-realworld-5
+        - name: OTEL_EXPORTER_OTLP_ENDPOINT
+          value: http://otel-collector.monitoring.svc.cluster.local:4318
+        - name: OTEL_RESOURCE_ATTRIBUTES
+          value: app=reno-realworld-5