erikaheidi

Example Apko build via pure Docker

docker run -iv --rm -v ${PWD}:/home/nonroot distroless.dev/apko build /home/nonroot/minicli-php81.yaml minicli:php81 /home/nonroot/minicli-php81.tar

erikaheidi

contents:
  repositories:
    - https://dl-cdn.alpinelinux.org/alpine/edge/main
    - https://dl-cdn.alpinelinux.org/alpine/edge/community
  packages:
    - alpine-baselayout
    - php81
    - php81-common
    - php81-curl

erikaheidi

#!/bin/bash

yum install epel-release -y
yum install nginx -y
export HOSTNAME=$(curl -s http://169.254.169.254/metadata/v1/hostname)
export PUBLIC_IPV4=$(curl -s http://169.254.169.254/metadata/v1/interfaces/public/0/ipv4/address)
echo Droplet: $HOSTNAME, IP Address: $PUBLIC_IPV4 > /usr/share/nginx/html/index.html
systemctl enable nginx
systemctl start nginx

erikaheidi

#!/bin/bash
#================================================================
# Let's Encrypt renewal script for Apache on Ubuntu/Debian
# @author Erika Heidi<erika@do.co>
# Usage: ./le-renew.sh [base-domain-name]
# More info: http://do.co/1mbVihI
#================================================================
domain=$1
le_path='/opt/letsencrypt'
le_conf='/etc/letsencrypt'

erikaheidi

Novidades do PHP 8

• Union Types (|)
  • public function foo(Foo|Bar $input): int|float;
• JIT
  • TODO: comparar performance PHP 7 x PHP 8 com processamento de imagens
• The nullsafe operator (?)
  • $dateAsString = $booking->getStartDate()?->asDateTimeString();
• Named arguments
• function foo(string $a, string $b, ?string $c = null, ?string $d = null)

erikaheidi

font = "DejaVu Sans:style=Bold";
letter_size = 40;
height = 8;

string = "DEV";
textlen = len(string);

box_width = letter_size*textlen*1.1;
box_height = letter_size*1.2;

erikaheidi

#!/bin/bash
#================================================================
# Let's Encrypt renewal script for Apache on CentOS
# @author Erika Heidi<erika@do.co>
# Usage: ./le-renew.sh [base-domain-name]
# More info: http://do.co/1SHe4eL
#================================================================
domain=$1
le_path='/opt/letsencrypt'
le_conf='/etc/letsencrypt'

erikaheidi

<?php
####################################
# Dynamic Inventory Build Script 
# usage: php doin.php > inventory
####################################

$DO_API_TOKEN = 'YOUR_DIGITALOCEAN_API_TOKEN';
$GROUP_NAME = 'servers';

$endpoint = "https://api.digitalocean.com/v2/droplets";

erikaheidi

total	Language
2477	JavaScript
1399	Python
1051	NULL
715	TypeScript
631	Java

erikaheidi

Arduino Tutorials

• Getting Started with Arduino: LED blinking
• How to use PHP to control an Arduino via Serial

This is an example of PHP code to send commands via serial, as shown in the talk:

<?php
require __DIR__ . '/vendor/autoload.php';