Add web server config

ci/user-data

@@ -6,9 +6,9 @@ user:
   primary_group: runner
   groups: runner docker
 
-snap:
-  commands:
-    00: snap install docker
+packages:
+- snap:
+  - docker
 
 runcmd:
   -

server/user-data

@@ -0,0 +1,21 @@
+#cloud-config
+# vim: syntax=yaml
+
+users:
+- name: ci
+  shell: /bin/bash
+
+packages:
+- snap:
+  - [caddy, --classic]
+
+write_files:
+- path: /etc/caddy/Caddyfile
+  content: |
+    include /srv/*/Caddyfile
+
+runcmd:
+- snap start --enable caddy.server
+- mkdir -p /srv
+- chown -R caddy:ci /srv
+- chmod -R g+w-r /srv