psql manifests added

psql/README.md

@@ -0,0 +1 @@
+docker stack deploy -c posgtresql.yml postgres-db

psql/posgtresql.yml

@@ -0,0 +1,25 @@
+version: '3.3'
+services:
+  postgres-db:
+    image: postgres:16-alpine
+    environment:
+      POSTGRES_PASSWORD: '98836'
+    ports:
+     - 5432:5432
+    volumes:
+     - /var/data/psql:/var/lib/postgresql/data
+    networks:
+     - postgres_network
+    logging:
+      driver: json-file
+    deploy:
+      update_config:
+        delay: 10s
+        failure_action: rollback
+      placement:
+        constraints:
+         - node.labels.platform == prod
+networks:
+  postgres_network:
+    external: true
+