From 4faceaebf55785a8ab4a6fdf82f4c950bc7e5a02 Mon Sep 17 00:00:00 2001
From: Eric Bailey <git@esb.lol>
Date: Wed, 23 Jul 2025 18:36:03 -0500
Subject: [PATCH] Fix render substitution syntax

---
 Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 2fc3a47cfa..7d8674de53 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,6 +22,7 @@ ENV GOEXPERIMENT="loopvar"
 # The latest git hash of the preview branch on render.com
 # https://render.com/docs/docker-secrets#environment-variables-in-docker-builds
 ARG RENDER_GIT_COMMIT
+ENV RENDER_GIT_COMMIT=${RENDER_GIT_COMMIT:0:7}
 
 #
 # Expo
@@ -30,7 +31,7 @@ ARG EXPO_PUBLIC_ENV
 ENV EXPO_PUBLIC_ENV=${EXPO_PUBLIC_ENV:-development}
 ARG EXPO_PUBLIC_BUNDLE_IDENTIFIER
 # If not set by GitHub workflows, we're probably in Render
-ENV EXPO_PUBLIC_BUNDLE_IDENTIFIER=${EXPO_PUBLIC_BUNDLE_IDENTIFIER:-${RENDER_GIT_COMMIT:0:7}}
+ENV EXPO_PUBLIC_BUNDLE_IDENTIFIER=${EXPO_PUBLIC_BUNDLE_IDENTIFIER:-$RENDER_GIT_COMMIT}
 
 #
 # Sentry