🔧 Fix heap allocation error when building locally with docker (#5695)

* fix heap allocation error when building locally with docker

* release notes

* clarifying comment

sync-server.Dockerfile

@@ -26,6 +26,10 @@ FROM deps AS builder
 WORKDIR /app
 
 COPY packages/ ./packages/
+
+# Increase memory limit for the build process to 8GB
+ENV NODE_OPTIONS=--max_old_space_size=8192
+
 RUN yarn build:server
 
 # Focus the workspaces in production mode (including @actual-app/web you just built)

upcoming-release-notes/5695.md

@@ -0,0 +1,6 @@
+---
+category: Maintenance
+authors: [MikesGlitch]
+---
+
+Fix local dockerfile build memory allocation