Hello, I have been running into an issue trying to deploy my new Nuxt 3 site. I had been running into several issues with the deploy previously, but was gradually able to step through each one and get further into the build process, and now the logs seem to be throwing several more different errors …

I’m having the same issue you are. The only thing that worked for me was downgrading to Nuxt v3.5.3. I’m not even using a CSS preprocessor, just regular CSS files so I didn’t figure that workaround would work for me. It looks like there are 2 issues in Github opened recently that have the same issu…

Nuxt 3 Deployment issue Build script returned non-zero exit code: 137 FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory

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dannycdannydo August 2, 2023, 10:28am 6

Your issue sounds identical to one I had, the suggestion in the penultimate comment on this thread fixed it:

Topic		Replies	Views
FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory Support building , deployment , netlify-newbie	9	5456	October 30, 2023
FATAL ERROR. Reached Heap Limit Nuxt 3 Support building	6	813	March 2, 2024
Nuxt 3 build error: using preset: "netlify_edge causes Reached heap limit Allocation failed - JavaScript heap out of memor Support building , edge_functions	1	10	February 15, 2025
Nuxt 3 build fails on Functions bundling with JavaScript heap out of memory exit code 134 Support building , deployment , lambda-functions , nuxt	6	238	August 14, 2024
5:29:23 PM: FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory Support building , deployment	1	383	August 6, 2023

Nuxt 3 Deployment issue Build script returned non-zero exit code: 137 FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory

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