entrypoint

#!/bin/bash

adduser --disabled-password --gecos "" $SFTP_USER

echo "$SFTP_USER:$SFTP_PASSWORD" | chpasswd
mkdir /home/$SFTP_USER/.ssh
echo $SSH_KEY >> /home/$SFTP_USER/.ssh/authorized_keys
chown $SFTP_USER /home/$SFTP_USER/.ssh/authorized_keys
chmod 600 /home/$SFTP_USER/.ssh/authorized_keys

echo $AWS_ACCESSKEY:$AWS_SECRETKEY > /s3credentials
chmod 600 /s3credentials

mkdir -p /mnt/s3
s3fs $S3_BUCKET:$S3_KEY /mnt/s3 -o passwd_file=/s3credentials -o allow_other -o uid=$(id -u $SFTP_USER)

ln -s /mnt/s3 /home/$SFTP_USER

echo "SFTP user: $SFTP_USER"
echo "S3 Bucker: $S3_BUCKET"
echo "S3 Key: $S3_KEY"
echo "Ready to accept connections..."
exec /usr/sbin/sshd -D