use statefulSets and readinessProbes instead of initContainers

clusters/default/media/invidious/invidious-config.yml

@@ -10,10 +10,10 @@ data:
       dbname: invidious
       user: kemal
       password: ${INVIDIOUS_DB_PASSWORD}
-      host: invidious-db-service
+      host: invidious-db.media.svc.cluster.local
       port: 5432
     check_tables: true
     invidious_companion:
-    - private_url: "http://invidious-companion-service:8282/companion"
+    - private_url: "http://invidious-companion-service.media.svc.cluster.local:8282/companion"
     invidious_companion_key: ${INVIDIOUS_COMPANION_KEY}
     hmac_key: ${INVIDIOUS_HMAC_KEY}

clusters/default/media/invidious/invidious-db.yml

@@ -1,16 +1,15 @@
 ---
 apiVersion: apps/v1
-kind: Deployment
+kind: StatefulSet
 metadata:
   name: invidious-db
   namespace: media
 spec:
-  strategy:
-    type: Recreate
-  replicas: 1
   selector:
     matchLabels:
       app: invidious-db
+  serviceName: invidious-db
+  replicas: 1
   template:
     metadata:
       labels:
@@ -49,7 +48,12 @@ spec:
         volumeMounts:
         - name: postgres-data
           mountPath: /var/lib/postgresql
-      volumes:
-      - name: postgres-data
-        persistentVolumeClaim:
-          claimName: invidious-longhorn
+  volumeClaimTemplates:
+  - metadata:
+      name: postgres-data
+    spec:
+      accessModes: ["ReadWriteOnce"]
+      resources:
+        requests:
+          storage: 1Gi
+      storageClassName: longhorn

clusters/default/media/invidious/invidious-pvc.yml

@@ -1,14 +0,0 @@
----
-apiVersion: v1
-kind: PersistentVolumeClaim
-metadata:
-  name: invidious-longhorn
-  namespace: media
-spec:
-  accessModes:
-    - ReadWriteOnce
-  volumeMode: Filesystem
-  resources:
-    requests:
-      storage: 1Gi
-  storageClassName: longhorn

clusters/default/media/invidious/invidious-svc.yml

@@ -33,7 +33,7 @@ spec:
 apiVersion: v1
 kind: Service
 metadata:
-  name: invidious-db-service
+  name: invidious-db
   namespace: media
 spec:
   selector:
@@ -41,3 +41,4 @@ spec:
   ports:
   - port: 5432
     targetPort: 5432
+  clusterIP: None

clusters/default/media/invidious/invidious.yml

@@ -33,28 +33,6 @@ spec:
         - name: tmp
           mountPath: /mnt
           subPath: invidious.yml
-      - name: wait-for-db
-        image: busybox
-        command:
-        - sh
-        - -c
-        - |
-          until nc -z -v -w30 invidious-db-service 5432
-          do
-            echo "Waiting for database connection..."
-            sleep 5
-          done
-      - name: wait-for-companion
-        image: busybox
-        command:
-        - sh
-        - -c
-        - |
-          until nc -z -v -w30 invidious-companion-service 8282
-          do
-            echo "Waiting for invidious companion connection..."
-            sleep 5
-          done
       containers:
       - name: invidious
         image: quay.io/invidious/invidious@sha256:2836b5b8226a53a9cc2afdbd5f5fe6bccdd200f2e17cd92a828b4dc8d8b5cc06
@@ -64,6 +42,13 @@ spec:
         - |
           export INVIDIOUS_CONFIG="$(cat /mnt/invidious.yml)" &&
           exec /invidious/invidious
+        readinessProbe:
+          exec:
+            command:
+            - sh
+            - -c
+            - |
+              nc -z invidious-db.media.svc.cluster.local 5432 && nc -z invidious-companion-service.media.svc.cluster.local 8282
         env:
         - name: INVIDIOUS_PORT
           value: "3000"