Azk init when there is no "app"

[dynaum]

I'm trying to create a sample azk file from a repo that do not have an app. Is just a Docker image repo. But I can't do it.

Error:

azk: TypeError: Cannot call method 'match' of undefined
    at Object.hash_key (/Users/dynaum/.azk/src/generator/index.js:71:14)
    at Object.eval (eval at <anonymous> (/Users/dynaum/.azk/node_modules/handlebars/dist/cjs/handlebars/compiler/javascript-compiler.js:181:23), <anonymous>:3:94)
    at prog (/Users/dynaum/.azk/node_modules/handlebars/dist/cjs/handlebars/runtime.js:137:15)
    at Object.<anonymous> (/Users/dynaum/.azk/node_modules/handlebars/dist/cjs/handlebars/base.js:133:23)
    at Object.eval (eval at <anonymous> (/Users/dynaum/.azk/node_modules/handlebars/dist/cjs/handlebars/compiler/javascript-compiler.js:181:23), <anonymous>:3:25)
    at Object.ret (/Users/dynaum/.azk/node_modules/handlebars/dist/cjs/handlebars/runtime.js:106:30)
    at Object.ret [as _tpl] (/Users/dynaum/.azk/node_modules/handlebars/dist/cjs/handlebars/compiler/compiler.js:459:21)
    at Object.generator.render (/Users/dynaum/.azk/src/generator/index.js:60:32)
    at Cmd.action (/Users/dynaum/.azk/src/cmds/init.js:17:14)
    at Cmd.run (/Users/dynaum/.azk/src/cli/command.js:200:16)