unable to access 'https://github.com/platine-php/container/': Could not resolve host: github.com

unable to access 'https://github.com/platine-php/container/': Could not resolve host: github.com

unable to access 'https://github.com/platine-php/container/': Could not resolve host: github.com

The process '/usr/local/bin/git' failed with exit code 128

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires platine-php/dev 1.0.x-dev (exact version match), found platine-php/dev[dev-develop] but it does not match the constraint.