Some tweak tries to prevent memory leaks.

.dockerignore

@@ -5,9 +5,6 @@
 !app/cache/.gitkeep
 !app/logs/.gitkeep
 
-# Email spool folder
-/app/spool/*
-
 # Cache, session files and logs (Symfony3)
 /var/cache/*
 /var/sessions/*

.rr.yaml

@@ -1,12 +1,11 @@
+# https://roadrunner.dev/docs/intro-config/2.x/en
 version: "2.7"
 
 server:
   command: "php public/index.php"
-  # If you are not using symfony 5.3+ and the new Runtime component:
-  # remove the previous `command` line above and uncomment the line below to use the deprecated command.
-  # command: "php bin/console baldinof:roadrunner:worker"
   env:
     - APP_RUNTIME: Baldinof\RoadRunnerBundle\Runtime\Runtime
+    - APP_ENV: prod
 
 http:
   address: 0.0.0.0:8080
@@ -16,6 +15,10 @@ http:
   static:
     dir: "public"
     forbid: [ ".php", ".htaccess" ]
+  pool:
+    max_jobs: 16
+    supervisor:
+      max_worker_memory: 256
 
 logs:
   mode: production

Dockerfile

@@ -18,9 +18,9 @@ RUN apk update && \
     docker-php-ext-install -j$(nproc) intl && \
     docker-php-ext-install -j$(nproc) pdo_pgsql && \
     docker-php-ext-install -j$(nproc) sockets && \
-    #pecl install igbinary-3.2.7 && \
+    pecl install igbinary-3.2.7 && \
     pecl install redis-5.3.7 && \
-    #docker-php-ext-enable igbinary && \
+    docker-php-ext-enable igbinary && \
     docker-php-ext-enable intl && \
     docker-php-ext-enable pdo_pgsql && \
     docker-php-ext-enable redis && \

config/packages/baldinof_road_runner.yaml

@@ -3,7 +3,8 @@ baldinof_road_runner:
     # See https://github.com/baldinof/roadrunner-bundle#kernel-reboots
     kernel_reboot:
         # if you want to use a fresh container on each request, use the `always` strategy
-        strategy: on_exception
+        #strategy: on_exception
+        strategy: always
         # Exceptions you KNOW that do not put your app in an errored state
         allowed_exceptions:
             - Symfony\Component\HttpKernel\Exception\HttpExceptionInterface