feat(chart): support extraContainers, volumes, and volumeMounts

charts/version-guard/Chart.yaml

@@ -2,8 +2,8 @@ apiVersion: v2
 name: version-guard
 description: Cloud infrastructure version drift and EOL detection
 type: application
-version: 0.2.0
-appVersion: "0.1.0"
+version: 0.3.0
+appVersion: "0.3.0"
 maintainers:
   - name: bakayolo
     url: https://github.com/bakayolo

charts/version-guard/templates/deployment.yaml

@@ -57,3 +57,14 @@ spec:
             periodSeconds: 10
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
+          {{- with .Values.volumeMounts }}
+          volumeMounts:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+      {{- with .Values.extraContainers }}
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.volumes }}
+      volumes:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

charts/version-guard/values.yaml

@@ -28,3 +28,53 @@ resources:
   limits:
     cpu: 1000m
     memory: 512Mi
+
+# Additional volume mounts for the main container
+volumeMounts: []
+
+# Additional volumes for the pod
+volumes: []
+
+# Additional sidecar containers (e.g., EOL override proxy)
+# Example: nginx sidecar serving patched endoflife.date JSON for products
+# with pending upstream PRs (aurora-mysql, opensearch 3.3/3.5):
+#
+# extraContainers:
+#   - name: eol-override
+#     image: nginxinc/nginx-unprivileged:alpine
+#     ports:
+#       - containerPort: 8082
+#     volumeMounts:
+#       - name: eol-config
+#         mountPath: /etc/nginx/conf.d/default.conf
+#         subPath: nginx.conf
+#         readOnly: true
+#       - name: eol-data
+#         mountPath: /data/api
+#         readOnly: true
+#     resources:
+#       requests:
+#         cpu: 10m
+#         memory: 16Mi
+#       limits:
+#         memory: 32Mi
+#
+# volumes:
+#   - name: eol-config
+#     configMap:
+#       name: eol-override
+#       items:
+#         - key: nginx.conf
+#           path: nginx.conf
+#   - name: eol-data
+#     configMap:
+#       name: eol-override
+#       items:
+#         - key: amazon-aurora-mysql.json
+#           path: amazon-aurora-mysql.json
+#         - key: amazon-opensearch.json
+#           path: amazon-opensearch.json
+#
+# Then set EOL_BASE_URL=http://127.0.0.1:8082/api in env to use the sidecar.
+# Note: use 127.0.0.1 (not localhost) to avoid IPv6 resolution issues.
+extraContainers: []