Let's Encrypt certification creation on macOS

Makefile

## Create Let's Encrypt certificate for DOMAIN and www subdomain of DOMAIN.

DOMAIN=example.com
EMAIL=noreply@example.com

.PHONY: default install generate

default: install

install:
	brew update
	brew install certbot


generate: 
	mkdir -p lets-encrypt
	certbot certonly --key-type rsa -d $(DOMAIN) -d www.$(DOMAIN) --email $(EMAIL) --preferred-challenges=dns --manual --config-dir lets-encrypt --work-dir lets-encrypt --logs-dir lets-encrypt

package:
	openssl pkcs12 -export -out lets-encrypt/archive/$(DOMAIN)/certificate.pfx -inkey lets-encrypt/archive/$(DOMAIN)/privkey1.pem -in lets-encrypt/archive/$(DOMAIN)/cert1.pem -certfile lets-encrypt/archive/$(DOMAIN)/chain1.pem