add dbgate and mssql

docs/backups.md

@@ -28,6 +28,28 @@ Critical
 
 ---
 
+#### Microsoft SQL Server
+
+Data location:
+
+```text
+/srv/docker/mssql/data
+```
+
+Required:
+
+* Native SQL Server database backups
+* MSSQL Compose configuration
+* `MSSQL_SA_PASSWORD` from the shared secrets backup
+
+Importance:
+
+Critical
+
+Do not rely on copying live database files as the only backup method.
+
+---
+
 #### Gitea Data
 
 Location:
@@ -81,7 +103,9 @@ Contains:
 
 * SMTP credentials
 * PostgreSQL passwords
+* MSSQL SA password
 * OpenProject secrets
+* Future DbGate password
 * Future OAuth secrets
 
 Importance:
@@ -196,6 +220,27 @@ Medium
 
 ---
 
+#### DbGate Data
+
+Location:
+
+```text
+/srv/docker/dbgate/data
+```
+
+Contains:
+
+* Saved connections
+* DbGate application state
+
+Also retain the Nginx Proxy Manager route and DbGate authentication credential.
+
+Importance:
+
+Medium
+
+---
+
 ## Backup Storage
 
 Current Location:
@@ -247,15 +292,17 @@ Keep:
 
 Restore order:
 
-1. PostgreSQL
-2. Shared secrets
-3. Nginx Proxy Manager
-4. Gitea
-5. OpenProject
-6. Portainer
-7. Jitsi
-8. BaGet
-9. Gitea Actions Runner
+1. Shared secrets
+2. PostgreSQL
+3. Microsoft SQL Server
+4. Nginx Proxy Manager
+5. Gitea
+6. OpenProject
+7. Portainer
+8. Jitsi
+9. BaGet
+10. Gitea Actions Runner
+11. DbGate
 
 ---
 
@@ -289,7 +336,7 @@ data directories.
 
 ### Step 4
 
-Restore PostgreSQL databases.
+Restore PostgreSQL and Microsoft SQL Server databases.
 
 ### Step 5
 
@@ -314,3 +361,5 @@ Verify:
 * postgres/README.md
 * gitea/README.md
 * openproject/README.md
+* mssql/README.md
+* dbgate/README.md