Mounting an S3 bucket using goofys inside container

Question

I am writing a Dockerfile and my hope is to have S3 buckets mounted using goofys. If I run my docker container in interactive mode I can easily mount a S3 bucket with the following line

goofys --region=us-west -f s3_bucket mount_point &

However when I include this line in my Dockerfile the S3 bucket never gets mounted.