ci: CICD-сборка (Gitea Actions: bootJar → docker → helm-publish) + helm-чарт

- workflow на release published: bootJar, build-docker (media-mirror/*), helm-publish (9.9.9 → tag)
- helm: Chart.yaml placeholder 9.9.9, values, templates (deployment/service/configmap/secret)
- env: DB, S3, Jellyfin через secret

helm/templates/configmap.yaml

@@ -0,0 +1,39 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ $.Release.Name }}-{{ $.Chart.Name }}-main-config
+data:
+  application.yaml: |
+    server:
+      port: {{ $.Values.port }}
+      forward-headers-strategy: framework
+
+    app:
+      jellyfin:
+        url: {{ $.Values.app.jellyfin.url | quote }}
+      s3:
+        url: {{ $.Values.app.s3.url | quote }}
+        access-key: ${S3_ACCESS_KEY}
+        secret-key: ${S3_SECRET_KEY}
+        bucket: {{ $.Values.app.s3.bucket }}
+        region: {{ $.Values.app.s3.region }}
+        prefix: {{ $.Values.app.s3.prefix }}
+
+    spring:
+      datasource:
+        url: jdbc:postgresql://{{ $.Values.db.host }}:{{ $.Values.db.port }}/{{ $.Values.db.name }}
+        username: ${DB_USER}
+        password: ${DB_PASSWORD}
+        hikari:
+          maximum-pool-size: {{ $.Values.db.maxConnections }}
+      flyway:
+        enabled: true
+        locations: classpath:db/migration
+
+    management:
+      server:
+        port: {{ $.Values.managementPort }}
+      endpoints:
+        web:
+          exposure:
+            include: env, health, info