Results 4 issues of Cigano Morrison Mendez

I was following the instructions and Composer didn't find the "stable" version of this package.

Executing: > docker-compose up -d I got: ssl_client: archive.apache.org: certificate verification failed: unable to get local issuer certificate Got to solve replacing line 18 at `download-kafka.sh`: wget "${url}" -O "/tmp/${FILENAME}"...

[Other projects have the same problem](https://github.com/xenko3d/xenko/issues/285). I think it is the same problem: the binary is not signed.