Store Gitea data (avatars, attachments, etc.) in Garage/S3

Also adds a new garage gateway role, which only allows RPC (inter-node)
traffic to Garage.

site-cookbooks/kosmos_gitea/templates/default/app.ini.erb

@@ -92,3 +92,16 @@ SCHEDULE = @every 15m
 [webhook]
 <% if c["allowed_host_list"] %>ALLOWED_HOST_LIST = <%= c["allowed_host_list"] %><% end %>
 <% end %>
+
+<% if c = @config["storage"] %>
+[storage]
+<% if c["type"] == "minio" %>
+STORAGE_TYPE=minio
+MINIO_ENDPOINT=<%= c["endpoint"] %>
+MINIO_ACCESS_KEY_ID=<%= @s3_key_id %>
+MINIO_SECRET_ACCESS_KEY=<%= @s3_secret_key %>
+MINIO_BUCKET=<%= @s3_bucket %>
+MINIO_LOCATION=<%= c["location"] %>
+MINIO_USE_SSL=<%= c["use_ssl"] %>
+<% end %>
+<% end %>