Mi solución para una imagen de 2017.03 fue:
commands:
01_yum_update:
command: sudo yum -y update
02_epel_repo:
command: sudo yum-config-manager -y --enable epel
03_install_gdal_packages:
command: sudo yum -y install gdal gdal-devel
files:
"/etc/httpd/conf.d/wsgihacks.conf":
mode: "000644"
owner: root
group: root
content: |
WSGIPassAuthorization On
packages:
yum:
git: []
postgresql95-devel: []
gettext: []
libjpeg-turbo-devel: []
libffi-devel: []