diff --git a/acme_rsync_caladan/Makefile b/acme_rsync_caladan/Makefile
new file mode 100644
index 0000000..7a61e36
--- /dev/null
+++ b/acme_rsync_caladan/Makefile
@@ -0,0 +1,115 @@
+WD=/var/lib/dags/acme_rsync
+
+.PHONY: all refresh_pg renew_certs
+
+NGINX_RELOAD=$(WD)/nginx_reload
+PROSODY_IMPORT=$(WD)/prosody_import
+PROSODY_RELOAD=$(WD)/prosody_reload
+
+all: sync_certs $(NGINX_RELOAD) refresh_pg
+
+###############################################################################
+
+CERTS_PATH=/srv/certs/acme
+
+MONOTREMATA_DOMAIN=monotremata.xyz
+MONOTREMATA_PATH=$(CERTS_PATH)/$(MONOTREMATA_DOMAIN)
+MONOTREMATA_CERT=$(MONOTREMATA_PATH)/fullchain.cer
+MONOTREMATA_KEY=$(MONOTREMATA_PATH)/$(MONOTREMATA_DOMAIN).key
+
+NARWHAL_DOMAIN=narwhal.monotremata.xyz
+NARWHAL_PATH=$(CERTS_PATH)/$(NARWHAL_DOMAIN)
+NARWHAL_CERT=$(NARWHAL_PATH)/fullchain.cer
+NARWHAL_KEY=$(NARWHAL_PATH)/$(NARWHAL_DOMAIN).key
+
+CALADAN_DOMAIN=caladan.monotremata.xyz
+CALADAN_PATH=$(CERTS_PATH)/$(CALADAN_DOMAIN)
+CALADAN_CERT=$(CALADAN_PATH)/fullchain.cer
+CALADAN_KEY=$(CALADAN_PATH)/$(CALADAN_DOMAIN).key
+
+XMPP_DOMAIN=xmpp.monotremata.xyz
+XMPP_PATH=$(CERTS_PATH)/$(XMPP_DOMAIN)
+XMPP_CERT=$(XMPP_PATH)/fullchain.cer
+XMPP_KEY=$(XMPP_PATH)/$(XMPP_DOMAIN).key
+
+###############################################################################
+# Renew the certificates using acme.sh. Because `renew_certs` is a phony
+# target, it will be run each time, but the certificate files will only be
+# updated if a renewal happens
+
+$(MONOTREMATA_CERT): sync_certs
+$(MONOTREMATA_KEY): sync_certs
+$(NARWHAL_CERT): sync_certs
+$(NARWHAL_KEY): sync_certs
+$(CALADAN_CERT): sync_certs
+$(CALADAN_KEY): sync_certs
+$(XMPP_CERT): sync_certs
+$(XMPP_KEY): sync_certs
+
+REMOTE_ACME_PATH=rsync://user@narwhal/acme
+RSYNCD_PASSWD=/srv/secrets/rsyncd_password
+RSYNC_OPTS=--archive --delete --acls --xattrs --compress --verbose --human-readable
+
+sync_certs:
+	mkdir -p $(CERTS_PATH)
+	rsync \
+		$(RSYNC_OPTS) \
+		--password-file=$(RSYNCD_PASSWD) \
+		$(REMOTE_LETSENCRYPT_PATH) \
+		$(CERTS_PATH)
+
+###############################################################################
+# Reload the nginx instance running on my reverse proxy docker-compose service
+# so that it uses the new certificates.
+# The target is just an empty sentinel target with no meaningful data other
+# than its modification date.
+# So far, the nginx instance running on the `monotremata` certificates, so it
+# only needs to be reloaded that is updated
+
+NGINX_COMPOSE_FILE=/srv/services/reverse_proxy/docker-compose.yml
+
+$(NGINX_RELOAD): $(MONOTREMATA_CERT) $(MONOTREMATA_KEY)
+	mkdir -p $(@D)
+	docker-compose \
+		--file $(NGINX_COMPOSE_FILE) \
+		exec nginx \
+		nginx -s reload
+	touch $@
+
+###############################################################################
+
+PROSODY_COMPOSE_FILE=/srv/services/xmpp/docker-compose.yml
+
+$(PROSODY_IMPORT): $(XMPP_CERT) $(XMPP_KEY)
+	mkdir -p $(@D)
+	docker-compose \
+		--file $(PROSODY_COMPOSE_FILE) \
+		exec prosody \
+		prosodyctl --root cert import /etc/letsencrypt/live
+	touch $@
+
+$(PROSODY_RELOAD): $(PROSODY_IMPORT)
+	mkdir -p $(@D)
+	docker-compose \
+		--file $(PROSODY_COMPOSE_FILE) \
+		exec prosody \
+		prosodyctl reload
+	touch $@
+
+###############################################################################
+# Copy the certificate for the postgresql domain to the folder where postgre
+# service expects it
+
+PG_SSL_PATH=/srv/volumes/postgres/ssl
+PG_CERT=$(PG_SSL_PATH)/server.crt
+PG_KEY=$(PG_SSL_PATH)/server.key
+
+$(PG_CERT): $(CALADAN_CERT)
+	mkdir -p $(@D)
+	rsync --copy-links $< $@
+
+$(PG_KEY): $(CALADAN_KEY)
+	mkdir -p $(@D)
+	rsync --copy-links $< $@
+
+refresh_pg: $(PG_CERT) $(PG_KEY)