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Carlos Souza caike

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caike / 01.Dockerfile

Last active August 10, 2021 14:38

Learn the differences between ENVs and ARGs in Docker

	FROM alpine:latest

	# 01- ENV set directly in Dockerfile.
	# Available during BUILDTIME and RUNTIME.
	ENV LOCAL_ENV="hi I am LOCAL_ENV"
	RUN echo $LOCAL_ENV

	# 02 - ARG sent via command (docker or docker-compose)
	# Available during BUILDTIME only.
	ARG BUILDTIME_ENV

caike / migration.exs

Last active July 5, 2021 15:57

snippets para o blog post sobre mix task

	defmodule GuitarStore.Repo.Migrations.AddIsCustomShopToGuitars do
	use Ecto.Migration

	def change do
	alter table("guitars") do
	add :is_custom_shop, :boolean, default: false
	end

	create index("guitars", ["is_custom_shop"])
	end

caike / agent.config.json

Created June 1, 2021 12:05

AWS CloudWatch agent simple config for CPU and memory monitoring

	{
	"agent": {
	"metrics_collection_interval": 60,
	"run_as_user": "root"
	},
	"metrics": {
	"append_dimensions": {
	"ImageId": "${aws:ImageId}",
	"InstanceId": "${aws:InstanceId}",
	"InstanceType": "${aws:InstanceType}"

caike / nome-do-service.service

Created February 26, 2021 02:54

systemd config example

	[Unit]
	Description=O Nome do Service

	[Service]
	Type=notify
	ExecStart=/bin/pra/iniciar/o/service
	WatchdogSec=30s
	Restart=always
	RestartSec=5

caike / user-data-for-nginx.sh

Created December 21, 2020 17:17

Install nginx on Amazon Linux 2

	#!/bin/bash -xe
	yum update -y
	amazon-linux-extras install nginx1 -y
	cd /usr/share/nginx/html
	echo "WebServer on instance-id " > index.html
	curl http://169.254.169.254/latest/meta-data/instance-id >> index.html
	systemctl start nginx

caike / dope-flan.md

Created April 20, 2020 13:09

Dope Brazilian Flan

caike / ec2-nginx.yml

Last active April 27, 2020 21:34

CloudFormation templates. Must use Linux 2 AMI images because of systemd.

	---
	AWSTemplateFormatVersion: '2010-09-09'
	Description: 'Creates an EC2 instance with Nginx installed and running.'

	Parameters:

	VPC:
	Description: VPC for the SecurityGroup
	Type: AWS::EC2::VPC::Id

caike / timer.js

Last active October 1, 2019 17:41

Example of updating timer on the fly

	$(function() {
	const timer = $('.timer');
	timer.startTimer({ allowPause: true });

	setTimeout(() => {
	timer.trigger('click');
	timer.data('timeLeft', 30);
	timer.trigger('click');
	}, 3000);
	});

caike / main.go

Created August 22, 2019 19:43

Go web server example with support for URL matching on regular expressions

caike / fifa-world-cup-winners.json

Last active August 21, 2019 14:57

List of FIFA World Cup winners