From 594a2a97d58d63907a94e59bde46e7c2a2df1042 Mon Sep 17 00:00:00 2001
From: UGA Innovation Factory <engr-ugaif@uga.edu>
Date: Thu, 18 Dec 2025 19:06:11 -0500
Subject: [PATCH] Process docker-compose.yml to TMPDIR before copying to
 read-only output

---
 default.nix | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/default.nix b/default.nix
index 7e85d9a..a8d5530 100644
--- a/default.nix
+++ b/default.nix
@@ -58,13 +58,18 @@ let
       echo "Source directory contents:"
       ls -la $src/ || true
       
-      # Copy all application files using rsync, excluding files we'll modify
-      ${pkgs.rsync}/bin/rsync -av --exclude='.git' --exclude='docker-compose.yml' --exclude='.env' --exclude='management-dashboard-web-app/.env' $src/ $out/opt/usda-vision/
-      
-      # Process docker-compose.yml with sed and write directly to destination
+      # Process docker-compose.yml first and create it in a temp location
       if [ -f $src/docker-compose.yml ]; then
         ${pkgs.gnused}/bin/sed 's|env_file:.*management-dashboard-web-app/\.env|env_file: /var/lib/usda-vision/.env|g; s|\./management-dashboard-web-app/\.env|/var/lib/usda-vision/.env|g' \
-          $src/docker-compose.yml > $out/opt/usda-vision/docker-compose.yml
+          $src/docker-compose.yml > $TMPDIR/docker-compose.yml
+      fi
+      
+      # Copy all application files using rsync, excluding files we'll provide separately
+      ${pkgs.rsync}/bin/rsync -av --exclude='.git' --exclude='docker-compose.yml' --exclude='.env' --exclude='management-dashboard-web-app/.env' $src/ $out/opt/usda-vision/
+      
+      # Copy the processed docker-compose.yml
+      if [ -f $TMPDIR/docker-compose.yml ]; then
+        cp $TMPDIR/docker-compose.yml $out/opt/usda-vision/docker-compose.yml
       fi
       
       # Verify files were copied