Back up Firestore tables to cloud bucket

functions/src/backup-db.ts

@@ -0,0 +1,39 @@
+// Export script from https://firebase.google.com/docs/firestore/solutions/schedule-export
+// To import the data into dev Firestore: https://firebase.google.com/docs/firestore/manage-data/move-data
+
+import * as functions from 'firebase-functions'
+import * as firestore from '@google-cloud/firestore'
+const client = new firestore.v1.FirestoreAdminClient()
+
+const bucket = 'gs://manifold-firestore-backup'
+
+export const backupDb = functions.pubsub
+  .schedule('every 24 hours')
+  .onRun((context) => {
+    const projectId = process.env.GCP_PROJECT || process.env.GCLOUD_PROJECT
+    const databaseName = client.databasePath(projectId!, '(default)')
+
+    return client
+      .exportDocuments({
+        name: databaseName,
+        outputUriPrefix: bucket,
+        // Leave collectionIds empty to export all collections
+        // or set to a list of collection IDs to export,
+        // collectionIds: ['users', 'posts']
+        collectionIds: [
+          'contracts',
+          'folds',
+          'private-users',
+          'stripe-transactions',
+          'users',
+        ],
+      })
+      .then((responses) => {
+        const response = responses[0]
+        console.log(`Operation Name: ${response['name']}`)
+      })
+      .catch((err) => {
+        console.error(err)
+        throw new Error('Export operation failed')
+      })
+  })

functions/src/index.ts

@@ -14,3 +14,4 @@ export * from './create-fold'
 export * from './unsubscribe'
 export * from './update-contract-metrics'
 export * from './update-user-metrics'
+export * from './backup-db'