Error "Read-only file system" in AWS Lambda when downloading a file from S3
Only /tmp seems to be writable in AWS Lambda.
Therefore this would work:
filepath = '/tmp/' + keyReferences:
According to http://boto3.readthedocs.io/en/latest/guide/s3-example-download-file.html
The example shows how to use the first parameter for the cloud name and the second parameter for the local path to be downloaded.
in other hand, the amazaon docs, says
Thus, we have 512 MB for create files.Here is my code for me in lambda aws, for me works like charm.
.download_file(Key=nombre_archivo,Filename='/tmp/{}'.format(nuevo_nombre))
I noticed when I uploaded a code for lambda directly as a zip file I was able to write only to /tmp folder, but when uploaded code from S3 I was able to write to the project root folder too.