add --max_old_space_size=4096 in npm run build scriptrm -rf tmp/cacheexport NODE_OPTIONS="--max-old-space-size=5120" # Increases to 5 GB
export NODE_OPTIONS="--max-old-space-size=6144" # Increases to 6 GB
export NODE_OPTIONS="--max-old-space-size=7168" # Increases to 7 GB
export NODE_OPTIONS="--max-old-space-size=8192" # Increases to 8 GBset NODE_OPTIONS="--max-old-space-size=8192""build-serve": "node --max_old_space_size=8048 ./node_modules/@angular/cli/bin/ng serve"Make sure you are not creating an endless loop, like me ;)