Skip to content

Instantly share code, notes, and snippets.

View wheller's full-sized avatar
😁
Hacking on Infrastructure

Bill Heller wheller

😁
Hacking on Infrastructure
View GitHub Profile
@magnetikonline
magnetikonline / README.md
Last active September 16, 2024 14:23
CloudFormation API Gateway endpoint calling a Lambda function using proxy integration example.

CloudFormation API Gateway integration to Lambda function

Template that will create the following:

  • API Gateway:
    • Deployed as a REGIONAL endpoint.
    • Single root method, accepting POST requests only, with Lambda proxy integration to a target function.
  • In-line Python Lambda function echoing back requesting users IP address to API Gateway requests:
    • IAM role for Lambda allowing CloudWatch logs access.
    • Permissions for Lambda that allow API Gateway endpoint to successfully invoke function.
PostgreSQL Data Types AWS DMS Data Types Redshift Data Types
INTEGER INT4 INT4
SMALLINT INT2 INT2
BIGINT INT8 INT8
NUMERIC (p,s) If precision is 39 or greater, then use STRING. If the scale is => 0 and =< 37 then: NUMERIC (p,s) If the scale is => 38 and =< 127 then: VARCHAR (Length)
DECIMAL(P,S) If precision is 39 or greater, then use STRING. If the scale is => 0 and =< 37 then: NUMERIC (p,s) If the scale is => 38 and =< 127 then: VARCHAR (Length)
REAL REAL4 FLOAT4
DOUBLE REAL8 FLOAT8
SMALLSERIAL INT2 INT2
SERIAL INT4 INT4
@blelump
blelump / aws_signed_request_v4.rb
Last active December 8, 2022 15:51
Sample Ruby code to create AWS signed request version 4 (with request headers)
#Signing AWS Requests By Using Signature Version 4
#http://docs.aws.amazon.com/general/latest/gr/sigv4_signing.html
require 'uri'
require 'openssl'
require 'net/http'
require 'cgi'
method = 'GET'
service = 'iam'
@jdx
jdx / boot.js
Last active October 1, 2025 10:57
zero-downtime node.js app runner
// This script will boot app.js with the number of workers
// specified in WORKER_COUNT.
//
// The master will respond to SIGHUP, which will trigger
// restarting all the workers and reloading the app.
var cluster = require('cluster');
var workerCount = process.env.WORKER_COUNT || 2;
// Defines what each worker needs to run
@randomecho
randomecho / australian-postcodes.sql
Last active November 23, 2025 08:26
Australian postcodes (with states and suburb names) geocoded with latitude and longitude.
/*
Taken and cribbed from blog.datalicious.com/free-download-all-australian-postcodes-geocod
May contain errors where latitude and longitude are off. Use at own non-validated risk.
*/
SET NAMES utf8;
SET sql_mode = 'NO_AUTO_VALUE_ON_ZERO';
DROP TABLE IF EXISTS postcodes_geo;