refactor: auto-scaling and observability components (#262)

Author: pantierra

CHANGELOG.md

@@ -15,6 +15,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - Automatic queue processor CronJob created when `use_queue` is "true" (configurable schedule via `queueProcessor.schedule`)
   - Automatic extent updater CronJob created when `update_collection_extent` is "false" (configurable schedule via `extentUpdater.schedule`)
 
+### Changed
+
+- Refactors eoapi-support into core eoapi chart [#262](https://github.com/developmentseed/eoapi-k8s/pull/262)
+
 ## [0.7.13] - 2025-11-04
 
 ### Added
@@ -52,10 +56,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Adjusted Renovate Configuration to fit conventional commits [#295](https://github.com/developmentseed/eoapi-k8s/pull/295)
 - Notification triggers in database [#289](https://github.com/developmentseed/eoapi-k8s/pull/289)
 
-### Changed
-
-- Excluded renovate.json from CHANGELOG.md edits [#301](https://github.com/developmentseed/eoapi-k8s/pull/301)
-
 ## [0.7.8] - 2025-09-10
 
 ### Added

charts/eoapi-support/.gitignore

@@ -61,3 +61,19 @@ dependencies:
     version: v1.20.0
     repository: https://knative.github.io/operator
     condition: knative.enabled
+  - name: metrics-server
+    version: 7.4.12
+    repository: https://charts.bitnami.com/bitnami
+    condition: monitoring.metricsServer.enabled
+  - name: prometheus
+    version: 27.45.0
+    repository: https://prometheus-community.github.io/helm-charts
+    condition: monitoring.prometheus.enabled
+  - name: prometheus-adapter
+    version: 5.2.0
+    repository: https://prometheus-community.github.io/helm-charts
+    condition: monitoring.prometheusAdapter.enabled
+  - name: grafana
+    version: 10.1.4
+    repository: https://grafana.github.io/helm-charts
+    condition: observability.grafana.enabled

charts/eoapi-support/.helmignore

@@ -14,6 +14,8 @@ A Helm chart for deploying Earth Observation APIs with integrated STAC, raster,
 - Flexible database configuration
 - Real-time PostgreSQL notifications for STAC item changes
 - Unified ingress system
+- Autoscaling
+- Integrated observability (Prometheus & Grafana)
 
 ## TL;DR
 

charts/eoapi-support/Chart.yaml

@@ -0,0 +1,40 @@
+{{/*
+Common monitoring configurations to avoid duplication across values files
+*/}}
+
+{{/*
+Standard monitoring configuration with environment-specific settings
+Usage: {{ include "eoapi.monitoring.config" (dict "context" . "environment" "production" "persistence" true) }}
+Environments: basic, production, testing
+*/}}
+{{- define "eoapi.monitoring.config" -}}
+{{- $ctx := .context -}}
+{{- $env := .environment | default "basic" -}}
+{{- $persistence := .persistence | default false -}}
+metricsServer:
+  enabled: true
+  apiService:
+    create: true
+prometheus:
+  enabled: true
+  alertmanager:
+    enabled: {{ if eq $env "production" }}true{{ else }}false{{ end }}
+  prometheus-pushgateway:
+    enabled: false
+  kube-state-metrics:
+    enabled: true
+  prometheus-node-exporter:
+    enabled: true
+    resources: {{- include "eoapi.resources.small" $ctx | nindent 6 }}
+  server:
+    service:
+      type: ClusterIP
+    {{- if $persistence }}
+    persistentVolume:
+      enabled: true
+      size: 10Gi
+    {{- else }}
+    persistentVolume:
+      enabled: false
+    {{- end }}
+{{- end -}}