diff --git a/kubernetes/apps/coder/barman-creds.sops.yaml b/kubernetes/apps/coder/barman-creds.sops.yaml
new file mode 100644
index 00000000..5043d5c6
--- /dev/null
+++ b/kubernetes/apps/coder/barman-creds.sops.yaml
@@ -0,0 +1,25 @@
+apiVersion: v1
+kind: Secret
+metadata:
+    name: barman-cloud-creds
+    namespace: coder
+type: Opaque
+stringData:
+    ACCESS_KEY_ID: ENC[AES256_GCM,data:SjcYDpvy5SVXK/4/EGzIb5UjEqZTZ5sYB0E=,iv:mFfBZmdEi+Yj4HqMhZZ7NSS1dHwniYZKocJYElw00uw=,tag:4scsORHe7NAgbbg2fA2kNA==,type:str]
+    ACCESS_SECRET_KEY: ENC[AES256_GCM,data:095NGZvte1IA7E1dOmOxq9zzRbIXr3gR7c5ousfoo4+LH7kmu+Ea8HM89FaJ/HuPnM5R79D7kHi8d8HY1KPeuA==,iv:vN+Y2Ei6RflaXz04knl9kF4HYv0sN7DyUafgbO7lFd0=,tag:+VvivaaVxEubcyczED1yrw==,type:str]
+    REGION: ENC[AES256_GCM,data:RZXJfMo4,iv:ZQ68sunCV3103rjoYN2YhPBUNb2knJSFy10y73hv8po=,tag:SBK4KFoZEYSkGkbkIHwapA==,type:str]
+sops:
+    age:
+        - recipient: age1yqjvqkwwwxdj7mr546zfs5ckzuwndp69ya2n2drd4vypwns8w4ys04qfy3
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBYN2xiZmVGVmRmMWtGTE5H
+            QkN6R2tqS1orVWl1MWNMN0ZDbHB3dDVBWW0wCjJYY0FQNWRtT3lXZnI2dlJxUDdU
+            UndOd3hKYUwxdUxHUTZROGQzRC9XWUEKLS0tIDZGVFdYSGxrbVN2M2dROFFuRnhr
+            TW1aNW9kbWlCd1E0Mk5TL2VUdXhNc3MK7dx8WmafY6o6AArqkadsW8FpTTmjIMkd
+            ztPsFiFl0bHbgrpK6F2o0vDKd0RHhMkDGf8iFlpAAcmMJJBAjhw35A==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2026-04-20T21:02:22Z"
+    mac: ENC[AES256_GCM,data:28S0BF/0Ixap+H6rV0FIWGVBfgqqJWNbmsDXi6a9g1CiNLK4tOdW/ACeohLqJrkWQKGZzPEwCtbl3FCk6z+t8s9ZwBjeGmh5E8eQnjfss+AEZTeLE1Xij9lI8kL0S+RXV3uMLiFU/ks3BmFziZBErj/MUyXnDNhw0n1VpRODcC4=,iv:1shlhwzkkF4E1JVQpLBzw8kAUk4RfGpbnvGufh5TDD4=,tag:uT8J+MXCXhU6MFhgqTDJKQ==,type:str]
+    encrypted_regex: ^(data|stringData)$
+    version: 3.10.2
diff --git a/kubernetes/apps/coder/kustomization.yaml b/kubernetes/apps/coder/kustomization.yaml
index 40438ba8..a1e971c3 100644
--- a/kubernetes/apps/coder/kustomization.yaml
+++ b/kubernetes/apps/coder/kustomization.yaml
@@ -3,5 +3,8 @@ kind: Kustomization
 resources:
   - secret.sops.yaml
   - le-staging-ca.yaml
+  - barman-creds.sops.yaml
+  - objectstore.yaml
   - postgres.yaml
+  - scheduled-backup.yaml
   - helmrelease.yaml
diff --git a/kubernetes/apps/coder/objectstore.yaml b/kubernetes/apps/coder/objectstore.yaml
new file mode 100644
index 00000000..48498d65
--- /dev/null
+++ b/kubernetes/apps/coder/objectstore.yaml
@@ -0,0 +1,30 @@
+---
+apiVersion: barmancloud.cnpg.io/v1
+kind: ObjectStore
+metadata:
+  name: coder-pg-store
+  namespace: coder
+spec:
+  configuration:
+    destinationPath: s3://k8s-cnpg/coder-pg
+    endpointURL: https://s3.nas-1.renner.uno
+    s3Credentials:
+      accessKeyId:
+        name: barman-cloud-creds
+        key: ACCESS_KEY_ID
+      secretAccessKey:
+        name: barman-cloud-creds
+        key: ACCESS_SECRET_KEY
+      # Garage requires an explicit region — without it boto3's
+      # HeadBucket call (used by barman-cloud-check-wal-archive during
+      # CNPG bootstrap.recovery) returns 400 Bad Request.
+      region:
+        name: barman-cloud-creds
+        key: REGION
+    wal:
+      compression: gzip
+      encryption: AES256
+    data:
+      compression: gzip
+      encryption: AES256
+  retentionPolicy: "30d"
diff --git a/kubernetes/apps/coder/postgres.yaml b/kubernetes/apps/coder/postgres.yaml
index 2239223f..adf14d4a 100644
--- a/kubernetes/apps/coder/postgres.yaml
+++ b/kubernetes/apps/coder/postgres.yaml
@@ -9,6 +9,14 @@ spec:
   storage:
     storageClass: ceph-block
     size: 10Gi
+  # The Barman Cloud plugin drives both WAL archiving and
+  # scheduled base backups to Garage on nas-1 (bucket k8s-cnpg).
+  # See objectstore.yaml for the destination config.
+  plugins:
+    - name: barman-cloud.cloudnative-pg.io
+      isWALArchiver: true
+      parameters:
+        barmanObjectName: coder-pg-store
   bootstrap:
     initdb:
       database: coder
diff --git a/kubernetes/apps/coder/scheduled-backup.yaml b/kubernetes/apps/coder/scheduled-backup.yaml
new file mode 100644
index 00000000..8099f386
--- /dev/null
+++ b/kubernetes/apps/coder/scheduled-backup.yaml
@@ -0,0 +1,21 @@
+---
+# Daily base backup at 02:30 UTC (aligned with the existing PBS
+# client schedule at 02:00). `immediate: true` triggers the first
+# backup as soon as this CR is applied. WAL archiving runs
+# continuously (see postgres.yaml spec.plugins[].isWALArchiver).
+# backupOwnerReference=self so Backups are cleaned up when this
+# schedule is deleted.
+apiVersion: postgresql.cnpg.io/v1
+kind: ScheduledBackup
+metadata:
+  name: coder-pg-daily
+  namespace: coder
+spec:
+  schedule: "0 30 2 * * *"
+  immediate: true
+  backupOwnerReference: self
+  cluster:
+    name: coder-pg
+  method: plugin
+  pluginConfiguration:
+    name: barman-cloud.cloudnative-pg.io