From 4813280554d318e7908836acbc31c76564b7305a Mon Sep 17 00:00:00 2001
From: Jordan Kowal <kowaljordan@gmail.com>
Date: Mon, 30 Mar 2026 14:24:45 +0200
Subject: [PATCH] chore: add env variable expansion demo to example config

Add VAR4/VAR5 to env-demo to demonstrate that $VAR references
in env values are not expanded (treated as literal strings).
Also add dev:build step to CONTRIBUTING.md setup instructions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 CONTRIBUTING.md       | 1 +
 example.yml           | 2 ++
 resources/env-demo.sh | 2 ++
 3 files changed, 5 insertions(+)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 89af679..9788962 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -14,6 +14,7 @@
 git config core.hooksPath .githooks
 bun install --frozen-lockfile
 go mod tidy
+task dev:build
 ```
 
 ## Developer Commands
diff --git a/example.yml b/example.yml
index fc4efad..5b98b78 100644
--- a/example.yml
+++ b/example.yml
@@ -123,3 +123,5 @@ processes:
     env:
       VAR2: overridden
       VAR3: from_explicit_env
+      VAR4: "prefix_$VAR1"
+      VAR5: "prefix_$VAR3"
diff --git a/resources/env-demo.sh b/resources/env-demo.sh
index 2f9a781..6ef9dcf 100755
--- a/resources/env-demo.sh
+++ b/resources/env-demo.sh
@@ -7,4 +7,6 @@
 echo "VAR1=$VAR1 (expected: from_env_file)"
 echo "VAR2=$VAR2 (expected: overridden)"
 echo "VAR3=$VAR3 (expected: from_explicit_env)"
+echo "VAR4=$VAR4 (expected: prefix_\$VAR1 — no expansion)"
+echo "VAR5=$VAR5 (expected: prefix_\$VAR3 — no expansion)"
 sleep 1