[dockerfile] test new config stuff

tests/apps/dockerfile/check_deploy

@@ -1,2 +1,18 @@
 #!/usr/bin/env bash
-set -e; output="$(curl -s -S "$1")"; echo "$output"; test "$output" == "Hello World!"
+set -e;
+
+test_url () {
+  path="$1"
+  expected_output="$2"
+  url="$base_url$path"
+  output="$(curl -s -S "$url:3000")"
+  echo "$output"
+  test "$output" == "$expected_output"
+}
+
+base_url="$1"
+test_url / "Hello World!"
+test_url /env/FROM_APP_JSON "'foo
+bar'"
+test_url /env/HELLO "Hello
+ 'world' "