Composer memory limit error

[hmavrodiev]

Installing collected packages: python-env
Successfully installed python-env-1.0.0
You are using pip version 8.1.2, however version 18.0 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
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------ mariadb specific change from localhost to 127.0.0.1
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------ THIS COULD TAKE A LITTLE WHILE ..... please wait. --
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Do not run Composer as root/super user! See https://getcomposer.org/root for details
Loading composer repositories with package information
Updating dependencies (including require-dev)
PHP Fatal error:  Allowed memory size of 1610612736 bytes exhausted (tried to allocate 4096 bytes) in phar:///usr/local/bin/composer/src/Composer/DependencyResolver/RuleWatchGraph.php on line 52
2018-08-11T14:49:40.099930400Z 
Fatal error: Allowed memory size of 1610612736 bytes exhausted (tried to allocate 4096 bytes) in phar:///usr/local/bin/composer/src/Composer/DependencyResolver/RuleWatchGraph.php on line 52
2018-08-11T14:49:40.179862800Z 
Check https://getcomposer.org/doc/articles/troubleshooting.md#memory-limit-errors for more info on how to handle out of memory errors.-----------------------------------------------------------------
------  CREATING THE DATABASE AND SEEDING INITIAL DATA
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PHP Warning:  require(/var/www/bowhead/bootstrap/../vendor/autoload.php): failed to open stream: No such file or directory in /var/www/bowhead/bootstrap/autoload.php on line 17
PHP Fatal error:  require(): Failed opening required '/var/www/bowhead/bootstrap/../vendor/autoload.php' (include_path='.:/usr/lib/php') in /var/www/bowhead/bootstrap/autoload.php on line 17
PHP Warning:  require(/var/www/bowhead/bootstrap/../vendor/autoload.php): failed to open stream: No such file or directory in /var/www/bowhead/bootstrap/autoload.php on line 17
PHP Fatal error:  require(): Failed opening required '/var/www/bowhead/bootstrap/../vendor/autoload.php' (include_path='.:/usr/lib/php') in /var/www/bowhead/bootstrap/autoload.php on line 17
PHP Warning:  require(/var/www/bowhead/bootstrap/../vendor/autoload.php): failed to open stream: No such file or directory in /var/www/bowhead/bootstrap/autoload.php on line 17
PHP Fatal error:  require(): Failed opening required '/var/www/bowhead/bootstrap/../vendor/autoload.php' (include_path='.:/usr/lib/php') in /var/www/bowhead/bootstrap/autoload.php on line 17
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------  setting up crontab
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++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+----- READ ME:                                                     -----+
+------------------------------------------------------------------------+
+----- Bowhead is now set up:                                       -----+
+----- USE: 'docker exec -it bowhead /bin/bash' to log into this    -----+
+-----      container                                               -----+
+-----                                                              -----+
+-----      SETUP LOCATED AT:  http://172.17.0.2:8080/setup                -----+
+-----                                                              -----+
+-----  use: 'php artisan bowhead:example_usage' for testing .env   -----+
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[11-Aug-2018 14:49:57] NOTICE: fpm is running, pid 603
[11-Aug-2018 14:49:57] NOTICE: ready to handle connections
[11-Aug-2018 14:50:38] WARNING: [pool www-1] child 611 said into stderr: "NOTICE: PHP message: PHP Warning:  require(/var/www/bowhead/bootstrap/../vendor/autoload.php): failed to open stream: No such file or directory in /var/www/bowhead/bootstrap/autoload.php on line 17"
[11-Aug-2018 14:50:38] WARNING: [pool www-1] child 611 said into stderr: "NOTICE: PHP message: PHP Fatal error:  require(): Failed opening required '/var/www/bowhead/bootstrap/../vendor/autoload.php' (include_path='.:/usr/lib/php') in /var/www/bowhead/bootstrap/autoload.php on line 17"