stack/lamp: add composer to stack

stack/lamp/buildout.cfg

@@ -67,6 +67,55 @@ db-user = lamp
 # Publish default lamp slave frontend url
 default-frontend = True
 
+[composer]
+recipe = slapos.recipe.build:download
+url = https://getcomposer.org/installer
+filename = composer-setup.php
+
+[composer-php.ini]
+# A minimal php.ini that will be used for composer
+recipe = collective.recipe.template
+input =
+  inline:[PHP]
+  engine = On
+  safe_mode = Off
+  expose_php = Off
+  error_reporting = E_ALL & ~E_DEPRECATED & ~E_STRICT
+  display_errors = On
+  display_startup_errors = Off
+  log_errors = On
+
+  zend_extension=opcache
+  extension=apcu
+  extension=redis
+  extension=imagick
+  apc.enabled=1
+
+  [opcache]
+  opcache.enable=1
+  opcache.enable_cli=1
+
+output = ${composer:location}/php.ini
+
+[composer-setup]
+recipe = plone.recipe.command
+command =
+  INSTAL_DIR=${composer:location}/bin
+  PATH=${apache-php:location}/bin:$PATH
+  mkdir -p $INSTAL_DIR
+  php ${composer:location}/composer-setup.php --install-dir=$INSTAL_DIR --filename=composer-bin
+stop-on-error = true
+update-command = ${:command}
+
+[composer-bin]
+recipe = collective.recipe.template
+input = inline:
+  #!/bin/sh
+  export PATH=${apache-php:location}/bin:$PATH
+  php -c ${composer-php.ini:output} ${composer:location}/bin/composer-bin "$@"
+output = ${composer:location}/bin/composer
+mode = 755
+
 #----------------
 #-- Instance-level buildout profiles.