se agrego al drone php5-curl

.drone.yml

@@ -9,7 +9,7 @@ pipeline:
     image: debian:8.0
     commands:
       - echo 'Acquire::http { Proxy "http://200.50.168.30:3142"; };' > /etc/apt/apt.conf.d/01proxy
-      - apt-get update && apt-get install -yq build-essential git unzip php5-cli php5-mysql wget mysql-client
+      - apt-get update && apt-get install -yq build-essential git unzip php5-cli php5-mysql wget mysql-client php5-curl
 
       - php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
       - php composer-setup.php --install-dir=/usr/local/bin/ --filename=composer