I just can't install Docker-ce on Debian 8

I’ve been trying to get docker-ce installed on Debian 8 (Jessie), following the instructions here: Install Docker Engine on Debian | Docker Docs

However, no matter how I go about things when running
sudo apt-get install docker-ce

I always end up with the follow error(s):

Setting up docker-ce (18.06.1~ce~3-0~debian) …
Installing new version of config file /etc/bash_completion.d/docker …
Job for docker.service failed. See ‘systemctl status docker.service’ and ‘journalctl -xn’ for details.
invoke-rc.d: initscript docker, action “start” failed.
dpkg: error processing package docker-ce (–configure):
subprocess installed post-installation script returned error exit status 1
Processing triggers for libc-bin (2.19-18+deb8u10) …
Errors were encountered while processing:
docker-ce
E: Sub-process /usr/bin/dpkg returned an error code (1)

This is my kernal: 3.16.0-4-686-pae

If anyone can shed some light on how to resolve this issue I’d appreciate that a lot.