Add some scripts and fix small issues

_utils/cert-basic.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env sh
+
+LEGO_WORKING_PATH="/opt/services/.lego/"
+
+set -e
+
+domain="$1"
+
+action="$2" # either "run" or "renew"
+if [ -z "$action" ] || [ -z "$domain" ]; then
+    echo "Usage: $0 <domain> <run|renew>"
+    exit 1
+fi
+if [ "$action" != "run" ] && [ "$action" != "renew" ]; then
+    echo "Usage: $0 <domain> <run|renew>"
+    exit 1
+fi
+
+export ACME_DNS_API_BASE="https://acme.serguzim.me/"
+export ACME_DNS_STORAGE_PATH="$LEGO_WORKING_PATH/acme-dns.json"
+
+lego -a --email "tobias@msrg.cc" \
+    --path "$LEGO_WORKING_PATH" \
+    --dns "acme-dns" \
+    --domains "$domain" \
+    "$action"