Use certbot for let's encrypt certificate
diff --git a/sa-certbot.yml b/sa-certbot.yml
new file mode 100644
index 0000000..86052a6
--- /dev/null
+++ b/sa-certbot.yml
@@ -0,0 +1,19 @@
+version: "3"
+name: sourcearcade-certbot
+services:
+ new:
+ build:
+ context: .
+ dockerfile: ./certbot/Dockerfile
+ env_file: environment
+ volumes: &cb-volumes
+ - ./certs/:/etc/letsencrypt/:rw
+ - ./certbot/www/:/var/www/certbot/:rw
+ - ./certbot/lib/:/var/lib/letsencrypt/:rw
+ - ./logs/certbot/:/var/log/letsencrypt/:rw
+ command: certonly -n --agree-tos -m nico.h@gmx.de --webroot --webroot-path /var/www/certbot
+ -d "${SA_PUBLIC_DOMAIN_NAME},id.${SA_PUBLIC_DOMAIN_NAME},mail.${SA_PUBLIC_DOMAIN_NAME},review.${SA_PUBLIC_DOMAIN_NAME}"
+ renew:
+ image: certbot/certbot
+ volumes: *cb-volumes
+ command: renew -n --agree-tos