Add postgresql

docker/postgres/docker-compose.yaml

@@ -0,0 +1,20 @@
+version: "3"
+services:
+  postgres:
+    container_name: postgres
+    image: postgres:13
+    environment:
+      - TZ=Europe/Helsinki
+      - POSTGRES_PASSWORD=12345
+    ports:
+      - 5432:5432
+    networks:
+      - postgres
+    volumes:
+      - /docker/postgres:/var/lib/postgresql/data
+      - /etc/localtime:/etc/localtime:ro
+    restart: unless-stopped
+
+networks:
+  postgres:
+    external: true