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build: raise Node heap for production build #7

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Merged
KarimTamani merged 1 commit into from
Aug 4, 2026
Merged

build: raise Node heap for production build #7

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8 changes: 8 additions & 0 deletions DOCKER.md
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Expand Up @@ -103,6 +103,14 @@ RUN npm config set strict-ssl false && npm install

This is necessary in some build environments with certificate validation issues.

### Out of Memory During Build

The production build is memory-intensive (the app compiles thousands of modules). If `docker compose up` or `docker build` fails with an out-of-memory error such as `Reached heap limit` or `cannot allocate memory` during the `npm run build` step, increase the memory available to Docker:

- **Docker Desktop**: Settings, then Resources, then Memory. Set it to at least **6-8 GB** and apply.

The Dockerfile raises the Node heap (`NODE_OPTIONS=--max-old-space-size`) for the build. That heap size must fit inside the memory available to Docker, so raising the Docker memory limit is the fix when the build runs out of memory.

### Container Not Starting

Check the logs:
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20 changes: 20 additions & 0 deletions package-lock.json
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3 changes: 2 additions & 1 deletion package.json
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Expand Up @@ -5,7 +5,7 @@
"type": "module",
"scripts": {
"dev": "vite",
"build": "tsc && vite build",
"build": "tsc && cross-env NODE_OPTIONS=--max-old-space-size=8192 vite build",
"lint": "eslint -c .eslintrc.json ./src/**/**/*.{ts,tsx} --fix",
"preview": "vite preview"
},
Expand Down Expand Up @@ -88,6 +88,7 @@
"@typescript-eslint/parser": "8.11.0",
"@vitejs/plugin-react": "^4.2.1",
"autoprefixer": "10.4.19",
"cross-env": "^7.0.3",
"esbuild": "^0.28.0",
"eslint": "^8.57.0",
"eslint-config-prettier": "9.1.0",
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