docs: add migration guide (#2069)

charts/seerr-chart/README.md

@@ -28,7 +28,7 @@ Refer to [https://docs.seerr.dev/getting-started/kubernetes](Seerr kubernetes do
 
 ### Updating to 3.0.0
 
-Nothing has changed; we just rebranded the `jellyseerr` Helm chart to `seerr` 🥳.
+Nothing has changed; we just rebranded the `jellyseerr` Helm chart to `seerr` 🥳 refer to our [Migration guide](https://docs.seerr.dev/migration-guide).
 
 ### Updating to 2.7.0
 
@@ -70,12 +70,20 @@ If `replicaCount` value was used - remove it. Helm update should work fine after
 | nodeSelector | object | `{}` |  |
 | podAnnotations | object | `{}` |  |
 | podLabels | object | `{}` |  |
-| podSecurityContext | object | `{}` |  |
+| podSecurityContext.fsGroup | int | `1000` |  |
+| podSecurityContext.fsGroupChangePolicy | string | `"OnRootMismatch"` |  |
 | probes.livenessProbe | object | `{}` | Configure liveness probe |
 | probes.readinessProbe | object | `{}` | Configure readiness probe |
 | probes.startupProbe | string | `nil` | Configure startup probe |
 | resources | object | `{}` |  |
-| securityContext | object | `{}` |  |
+| securityContext.allowPrivilegeEscalation | bool | `false` |  |
+| securityContext.capabilities.drop[0] | string | `"ALL"` |  |
+| securityContext.privileged | bool | `false` |  |
+| securityContext.readOnlyRootFilesystem | bool | `false` |  |
+| securityContext.runAsGroup | int | `1000` |  |
+| securityContext.runAsNonRoot | bool | `true` |  |
+| securityContext.runAsUser | int | `1000` |  |
+| securityContext.seccompProfile.type | string | `"RuntimeDefault"` |  |
 | service.port | int | `80` |  |
 | service.type | string | `"ClusterIP"` |  |
 | serviceAccount.annotations | object | `{}` | Annotations to add to the service account |

charts/seerr-chart/README.md.gotmpl

@@ -22,7 +22,7 @@ Refer to [https://docs.seerr.dev/getting-started/kubernetes](Seerr kubernetes do
 
 ### Updating to 3.0.0
 
-Nothing has changed; we just rebranded the `jellyseerr` Helm chart to `seerr` 🥳.
+Nothing has changed; we just rebranded the `jellyseerr` Helm chart to `seerr` 🥳 refer to our [Migration guide](https://docs.seerr.dev/migration-guide).
 
 ### Updating to 2.7.0
 

charts/seerr-chart/values.yaml

@@ -50,16 +50,22 @@ serviceAccount:
 podAnnotations: {}
 podLabels: {}
 
-podSecurityContext: {}
-# fsGroup: 2000
+podSecurityContext:
+  fsGroup: 1000
+  fsGroupChangePolicy: OnRootMismatch
 
-securityContext: {}
-# capabilities:
-#   drop:
-#   - ALL
-# readOnlyRootFilesystem: true
-# runAsNonRoot: true
-# runAsUser: 1000
+securityContext:
+  allowPrivilegeEscalation: false
+  capabilities:
+    drop:
+      - ALL
+  readOnlyRootFilesystem: false
+  runAsNonRoot: true
+  privileged: false
+  runAsUser: 1000
+  runAsGroup: 1000
+  seccompProfile:
+    type: RuntimeDefault
 
 service:
   type: ClusterIP