feat: test caddy digitalocean dns (#48)

Author: xNok

ansible/roles/docker-swarm-app-caddy/assets/Caddyfile

@@ -52,3 +52,9 @@
 auth.{{domain}} {
 	authenticate with myportal
 }
+
+(external_dns) {
+	tls {
+		dns digitalocean {env.DIGITALOCEAN_API_TOKEN}
+	}
+}

ansible/roles/docker-swarm-app-caddy/assets/Dockerfile

@@ -1,4 +1,4 @@
-ARG CADDY_VERSION=2.8.4
+ARG CADDY_VERSION=2.9.1
 FROM caddy:${CADDY_VERSION}-builder-alpine AS builder
 
 RUN xcaddy build \

ansible/roles/docker-swarm-app-caddy/assets/caddy-stack.yml

@@ -54,6 +54,18 @@ services:
         caddy.reverse_proxy: "{{ '{{' }}upstreams 80{{ '}}' }}"
         caddy.authorize: with admins_policy
 
+  whoami-dns:
+    # A container that exposes an API to show its IP address
+    image: containous/whoami
+    networks:
+      - caddy
+    deploy:
+      labels:
+        caddy: whoami-dns.{{domain}}
+        caddy.import: external_dns
+        caddy.reverse_proxy: "{{ '{{' }}upstreams 80{{ '}}' }}"
+
+
 volumes:
   caddy_data:
   caddy_config: