add backupCommand, restoreCommand, persistentDirs

src/docker.js

@@ -238,12 +238,27 @@ async function getAddonMounts(app) {
     return mounts;
 }
 
+function getPersistentDirMounts(app) {
+    assert.strictEqual(typeof app, 'object');
+
+    const mounts = [];
+    if (!app.manifest.persistentDirs) return mounts;
+
+    for (const dir of app.manifest.persistentDirs) {
+        const sanitized = dir.replace(/\//g, '_').replace(/^_/, '');
+        const hostDir = `${paths.PERSISTENT_DATA_DIR}/${app.id}/${sanitized}`;
+        mounts.push({ Target: dir, Source: hostDir, Type: 'bind', ReadOnly: false });
+    }
+    return mounts;
+}
+
 async function getMounts(app) {
     assert.strictEqual(typeof app, 'object');
 
     const volumeMounts = await getVolumeMounts(app);
     const addonMounts = await getAddonMounts(app);
-    return volumeMounts.concat(addonMounts);
+    const persistentDirMounts = getPersistentDirMounts(app);
+    return volumeMounts.concat(addonMounts).concat(persistentDirMounts);
 }
 
 async function getAddressesForPort53() {