merge docker-compose-based quickstart and integration tests into a single integration test

the two were so similar it made sense to just have one that tests all. saves
building docker images.

testdata/integration/moxmail2.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+set -x # print commands
+set -e # exit on failed command
+
+apk add unbound
+
+(rm -r /tmp/mox 2>/dev/null || exit 0) # clean slate
+mkdir /tmp/mox
+cd /tmp/mox
+mox quickstart moxtest2@mox2.example "$MOX_UID" > output.txt
+
+sed -i -e '/- 172.28.1.20/d' -e 's/- 0.0.0.0/- 172.28.1.20/' -e '/- ::/d' -e 's,ACME: .*$,KeyCerts:\n\t\t\t\t-\n\t\t\t\t\tCertFile: /integration/tls/moxmail2.pem\n\t\t\t\t\tKeyFile: /integration/tls/moxmail2-key.pem\n\t\t\t\t-\n\t\t\t\t\tCertFile: /integration/tls/mox2-autoconfig.pem\n\t\t\t\t\tKeyFile: /integration/tls/mox2-autoconfig-key.pem\n\t\t\t\t-\n\t\t\t\t\tCertFile: /integration/tls/mox2-mtasts.pem\n\t\t\t\t\tKeyFile: /integration/tls/mox2-mtasts-key.pem\n,' -e 's/SMTP:$/SMTP:\n\t\t\tFirstTimeSenderDelay: 1s/' config/mox.conf
+cat <<EOF >>config/mox.conf
+
+TLS:
+	CA:
+		CertFiles:
+			# CA of our own certificates.
+			- /integration/tls/ca.pem
+			# CA used by moxacmepebble.
+			- /integration/tmp-pebble-ca.pem
+EOF
+
+# A fresh file was set up by moxacmepebble.
+sed -n '/^;/,/IN CAA/p' output.txt >>/integration/example-integration.zone
+unbound-control -s 172.28.1.30 reload # reload unbound with zone file changes
+
+mox serve &
+while true; do
+	if test -e data/ctl; then
+		echo -n accountpass4321 | mox setaccountpassword moxtest2@mox2.example
+		break
+	fi
+	sleep 0.1
+done
+wait