The APK files which are uploaded as part of the mobile scan into the tmp directory persist after the scan is completed in /tmp directory in the container.
root@jackhammer-nginx:~# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
74a1f4a66259 jackhammer_web "bash -c 'mkdir -p..." 35 hours ago Up 35 hours 127.0.0.1:5000->3000/tcp jackhammer_web_1
85ca4738eb8f redis "docker-entrypoint..." 35 hours ago Up 35 hours 0.0.0.0:32795->6379/tcp jackhammer_redis_1
6a38e6db51cc mysql "docker-entrypoint..." 35 hours ago Up 35 hours 127.0.0.1:3306->3306/tcp jackhmmaer-db
root@jackhammer-nginx:~# docker exec -it 74a1f4a66259 /bin/bash
root@74a1f4a66259:/home/app# tree /tmp/
/tmp/
|-- Gemfile
|-- Gemfile.lock
|-- RackMultipart20170518-37-rmb4dq.apk
|-- bundle.sh
|-- d20170518-40-1n8ttqn
| `-- NAME-OF-APK-debug.apk
|-- d20170518-40-1y29459
| `-- NAME-OF-APK-debug.apk
|-- d20170518-40-pf88sh
| `-- NAME-OF-APKdebug.apk
|-- log
| `-- scans
|-- ruby-build.20170516232007.23.log
`-- tmp
`-- pids
7 directories, 8 files
root@74a1f4a66259:/home/app#
The APK files which are uploaded as part of the mobile scan into the tmp directory persist after the scan is completed in /tmp directory in the container.