updated postgres and mariadb compose

docker-compose/postgres/docker-compose.yaml

@@ -0,0 +1,24 @@
+---
+# (Optional) when using custom network
+# networks:
+#   yournetwork:
+#     external: true
+volumes:
+  postgres-data:
+services:
+  postgres:
+    # (Recommended) replace "latest" with specific version
+    image: postgres:latest
+    environment:
+      - POSTGRES_USER=${POSTGRES_USER}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+      # (Optional) when creating a new database
+      # - POSTGRES_DB=${POSTGRES_DB}
+    ports:
+      - 5432:5432
+    # (Optional) when using custom network
+    # networks:
+    #   - yournetwork
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    restart: unless-stopped