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static_resources:
  listeners:
  - name: listener_0
    address:
      socket_address: { address: 0.0.0.0, port_value: 8080 }
    filter_chains:
    - filters:
      - name: envoy.filters.network.http_connection_manager
        typed_config:
          "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager

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url = 'https://www.naturalearthdata.com/http//www.naturalearthdata.com/download/110m/cultural/ne_110m_admin_0_countries.zip'

#!pip install wget
import wget
# download countries_data set
filename = wget.download(url)

ctry = 'Japan'

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final options = ChannelOptions(
  credentials: ChannelCredentials.insecure(), // we're not using TLS
  connectionTimeout: Duration(milliseconds: 500),
  idleTimeout: Duration(
    milliseconds: 500,
  ),
);

final clientChannel = ClientChannel(
  '0.0.0.0',  // host the server is running on 

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latest=version12

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import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,

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class RectsExample extends StatefulWidget {
  @override
  _RectsExampleState createState() => _RectsExampleState();
}

class _RectsExampleState extends State<RectsExample> {
  int _index = -1;

  @override
  Widget build(BuildContext context) {

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Backup:
docker exec -t -u postgres your-db-container pg_dumpall -c > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql

Restore:
cat your_dump.sql | docker exec -i your-db-container psql -Upostgres

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