Docker-compose build Alpine image apk update fetch hangs

Alpine image apk update fetch hangs

At apk --no-cache upgrade or RUN apk update no respone

Try to login docker container run command line:


wget http://dl-cdn.alpinelinux.org/alpine/v3.9/main/x86_64/APKINDEX.tar.gz

Get status is "stalled".

PS：Error is different "no respone" or "hang"

Way one:

Answer：

apk fetch hangs
https://github.com/gliderlabs/docker-alpine/issues/307

10G mtu or switch mtu

So

Into directory


docker build --network host .

Way two:

Answer：

https://mlohr.com/docker-mtu/
https://medium.com/@sylwit/how-we-spent-a-full-day-figuring-out-a-mtu-issue-with-docker-4d81fdfe2caf


nano /etc/docker/daemon.json

{
  "mtu": 1450
}

[轉]HyperLedger Fabric 架构设计中的模式创新

https://www.chongdongshequ.com/article/1544005544333.html

flutter new hard

https://book.flutterchina.club/

flutter dart Streams Future

https://www.appcoda.com.tw/flutter-introduction/

Dart 內建支援 Streams 及 Future。我的 RxJava 經驗有助我了解 Streams，而在 ES6 Promise 方面的經驗則有助我理解 Futures 和 Async/Await 的概念

flutter printing

https://github.com/DavBfr/dart_pdf/tree/master/printing/example/lib

Problem is here.


image: const fw.NetworkImage('https://www.gravatar.com/avatar/00000000000000000000000000000000?d=mp&s=200'),

Change to


import 'package:flutter/painting.dart' as fp;

find this and change


image: new fp.AssetImage("images/a123.png"),

OK~

sueboy

EExcel 丞燕快速查詢2