Websockets behind AWS ELB
Nginx
See Configuring NGINX to accept the PROXY Protocol - NGINX
upstream wsserver {
server 127.0.0.1:9000;
}
arbabnazar
/ websocket-elb.md
Created Apr 23, 2019
— forked from zhiguangwang/websocket-elb.md
Configure websockets behind an AWS ELB.
View websocket-elb.md
simpixelated
/ start-non-split.js
Created Apr 23, 2019
Disable Code Splitting (and caching) In Create React App
View start-non-split.js
| const rewire = require('rewire'); | |
| const defaults = rewire('react-scripts/scripts/start.js'); | |
| let configFactory = defaults.__get__('configFactory'); | |
| defaults.__set__('configFactory', (env) => { | |
| const config = configFactory(env); | |
| config.optimization.splitChunks = { | |
| cacheGroups: { | |
| default: false, | |
| }, |
View PY0101EN-1-1-Types.ipynb
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View SwappableERC20.sol
| pragma solidity 0.5.2; | |
| /** | |
| * @title SafeMath | |
| * @dev Unsigned math operations with safety checks that revert on error | |
| */ | |
| library SafeMath { | |
| /** | |
| * @dev Multiplies two unsigned integers, reverts on overflow. | |
| */ |
jskeet
/ gist:830eb56a22ad8b33d6c61fb552193236
Created Apr 23, 2019
View gist:830eb56a22ad8b33d6c61fb552193236
| using System; | |
| using System.Linq; | |
| using NodaTime; | |
| using NodaTime.Extensions; | |
| public class Program | |
| { | |
| public static void Main() | |
| { | |
| var latest = (from zone in DateTimeZoneProviders.Tzdb.GetAllZones() |
View chef-databag-v3.js
| import crypto from 'crypto'; | |
| // decrypt a v3 databag | |
| export function decryptV3(data, key) { | |
| try { | |
| const decipher = crypto.createDecipheriv( | |
| data.cipher.trim(), | |
| crypto | |
| .createHash('sha256') | |
| .update(key.trim()) |
NaveenaDraksharam
/ index.html
Created Apr 23, 2019
JS Bin rotated array find index // source https://jsbin.com/jeboniy
View index.html
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="description" content="rotated array find index"> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> |
arbabnazar
/ elb-nginx-websockets.md
Last active Apr 23, 2019
— forked from Likeyn/elb-nginx-websockets.md
How-to websockets through ELB + Nginx reverse proxy
View elb-nginx-websockets.md
Websockets-through-ELB-to-Nginx-to-another-ELB recap
We need to setup an ELB with SSL termination in front of a Nginx reverse proxy to some already working ELB + project system. IOW: SSL-ELB -> Nginx reverse proxy -> ELB -> project. We'll assume the last ELB + project bit works properly.
Front ELB configuration
- Configure the listeners to use TCP (80) instead of HTTP to allow the websockets (non-HTTP) to pass through. For HTTPS with SSL termination, simply use SSL (443) -> TCP (80)
View sample_app.py
| #! /usr/bin/env python3 | |
| # -*- coding: utf-8 -*- | |
| # encoding: utf-8 | |
| # coding: utf-8 | |
| """ | |
| Sample cli application | |
| """ |
View playground.rs
| fn main() { | |
| let filter = "Joh"; | |
| let names = vec!["John", "Jane", "Johnny"]; | |
| let lowered_filter = filter.to_lowercase(); | |
| let filterNames = |x: &&str| -> bool { | |
| x.to_lowercase().contains(&lowered_filter) | |
| }; | |
| let filtered: Vec<&str> = names.iter().cloned().filter(filterNames).collect(); | |
| println!("List {:?}", filtered); |
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