Question:

Can not run phpstan under docker with memory lack error

Problem:

I try to run phpstan(nunomaduro/larastan 2.6.3) under docker (based on php:8.1.6-apache) in laravel 10.8 app and got memory lack error.

I added memory limit in console command, but error anyway :

root@3ab9f820c86d:/var/www/PostsTagsCRUDTest_DOCKER_ROOT# ./vendor/bin/phpstan analyse --memory-limit 1M > phpstan.txt

Warning: Failed to set memory limit to 1048576 bytes (Current memory usage is 41943040 bytes) in phar:///var/www/PostsTagsCRUDTest_DOCKER_ROOT/vendor/phpstan/phpstan/phpstan.phar/src/Command/CommandHelper.php on line 101

Memory limit "1M" cannot be set.

root@3ab9f820c86d:/var/www/PostsTagsCRUDTest_DOCKER_ROOT# ./vendor/bin/phpstan analyse --memory-limit 0.5M > phpstan.txt

Invalid memory limit format "0.5M".

For more details see free(1).

root@3ab9f820c86d:/var/www/PostsTagsCRUDTest_DOCKER_ROOT# free

total used free shared buff/cache available

Mem: 8057500 6022512 483432 201228 1551556 1532956

Swap: 2104476 1424128 680348

In virtualhost.conf of the docker project I got option :

php_value memory_limit 4048M

If there is a way to fix it ?

Solution:

The virtualhost.conf value does not do anything because that's only for your webserver, but you're executing PHPStan from CLI (as you should).

Memory limit "1M" cannot be set because that's a much smaller value than the default (128M).

You can try running PHPStan with the same value you have for your webserver:

./vendor/bin/phpstan analyse --memory-limit 4048M

That should work.

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Ritu Singh

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