diff --git a/src/services/mongodb.ts b/src/services/mongodb.ts
new file mode 100644
index 0000000..10ff0de
--- /dev/null
+++ b/src/services/mongodb.ts
@@ -0,0 +1,85 @@
+import _ from 'lodash';
+
+import { singleton, container } from 'tsyringe';
+import {
+    MongoClientOptions, ObjectId,
+} from 'mongodb';
+
+import { AbstractMongoDB, AbstractMongoCollection, AbstractMongoCappedCollection } from 'civkit/abstract/mongo';
+
+
+import { LoggerInterface } from 'civkit/logger';
+import globalLogger, { GlobalLogger } from '../services/logger';
+import { Finalizer } from './finalizer';
+import { InjectProperty } from './registry';
+import { SecretExposer } from '../shared/services/secrets';
+
+@singleton()
+export class MongoDB extends AbstractMongoDB {
+    options?: MongoClientOptions;
+    url!: string;
+    logger = this.globalLogger.child({ service: this.constructor.name });
+
+    @InjectProperty() protected config!: SecretExposer;
+
+    constructor(
+        protected globalLogger: GlobalLogger
+    ) {
+        super(...arguments);
+
+        this.dependsOn(this.config);
+    }
+
+    override async init() {
+        await this.dependencyReady();
+        if (!this.options) {
+            this.options = {
+                minPoolSize: 2,
+                maxPoolSize: 10,
+            };
+        }
+        if (!this.url) {
+            this.url = this.config.MONGO_URI;
+        }
+
+        await super.init();
+
+        this.emit('ready');
+    }
+
+    @Finalizer()
+    override async standDown() {
+        if (this.serviceStatus !== 'ready') {
+            return;
+        }
+        await this.client.close(true);
+        super.standDown();
+    }
+}
+
+export abstract class MongoCollection<T extends object, P = ObjectId> extends AbstractMongoCollection<T, P> {
+    @InjectProperty()
+    mongo!: MongoDB;
+
+    logger: LoggerInterface = globalLogger.child({ service: this.constructor.name });
+
+    constructor(...whatever: any[]) {
+        super(...whatever);
+
+        this.dependsOn(globalLogger);
+    }
+}
+
+export abstract class MongoCappedCollection<T extends object, P = ObjectId> extends
+    AbstractMongoCappedCollection<T, P> {
+
+    logger: LoggerInterface = globalLogger.child({ service: this.constructor.name });
+
+    @InjectProperty()
+    mongo!: MongoDB;
+
+}
+
+export const mongoClient = container.resolve(MongoDB);
+
+export default mongoClient;
diff --git a/thinapps-shared b/thinapps-shared
index 95c88c0..4552b18 160000
--- a/thinapps-shared
+++ b/thinapps-shared
@@ -1 +1 @@
-Subproject commit 95c88c0da1058144a86b736fde6bec8a861c2800
+Subproject commit 4552b18a12f249a8413ba73700bbe0816e9fde0d