Merge pull request #64 from flownative/task/configurable-php-fpm-max-requests

Add pm.max_requests = 500, make configurable

Author: kdambekalns

README.md

@@ -86,6 +86,7 @@ similar mechanism in Kubernetes or your actual platform.
 | PHP_FPM_GROUP                   | string  | 1000                                   | Group id for running PHP (read-only)                                                                                                                |
 | PHP_FPM_PORT                    | string  | 9000                                   | Port the PHP-FPM process listens to                                                                                                                 |
 | PHP_FPM_MAX_CHILDREN            | string  | 20                                     | Maximum number of children to run                                                                                                                   |
+| PHP_FPM_MAX_REQUESTS            | string  | 500                                    | Number of requests after which a worker is recycled to mitigate memory leaks; set to 0 to disable                                                   |
 | PHP_FPM_PM_MODE                 | string  | ondemand                               | Process manager mode for PHP-FPM; "static", "ondemand" or "dynamic"                                                                                 |
 | PHP_SPX_ENABLE                  | boolean | false                                  | Enable or disable the SPX extension                                                                                                                 |
 | PHP_SPX_KEY                     | string  | dev                                    | The secret key used for authentication                                                                                                              |

root-files/opt/flownative/lib/php-fpm.sh

@@ -52,6 +52,7 @@ export PHP_FPM_GROUP="1000"
 export PHP_FPM_PORT="${PHP_FPM_PORT:-9000}"
 export PHP_FPM_PM_MODE="${PHP_FPM_PM_MODE:-ondemand}"
 export PHP_FPM_MAX_CHILDREN="${PHP_FPM_MAX_CHILDREN:-20}"
+export PHP_FPM_MAX_REQUESTS="${PHP_FPM_MAX_REQUESTS:-500}"
 export PHP_FPM_ERROR_LOG_PATH="${PHP_FPM_ERROR_LOG_PATH:-/opt/flownative/log/php-fpm-error.log}"
 export PHP_FPM_ACCESS_LOG_PATH="${PHP_FPM_ACCESS_LOG_PATH:-/opt/flownative/log/php-fpm-access.log}"
 EOF

root-files/opt/flownative/php/etc/php-fpm.conf.template

@@ -20,6 +20,7 @@ listen = [::]:${PHP_FPM_PORT}
 
 pm = ${PHP_FPM_PM_MODE}
 pm.max_children = ${PHP_FPM_MAX_CHILDREN}
+pm.max_requests = ${PHP_FPM_MAX_REQUESTS}
 
 pm.status_path = /php-fpm-status